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Mettler Toledo NineFocus NF2000 pH Meters

The NineFocus NF2000 meter measures pH and Redox/ORP with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure conductivity or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity. Mettler Toledo NineFocus NF2000 pH Meters

Mettler Toledo NineFocus NF2000 pH Meters
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NF2000
Specifications Chart

NF2300, NF2340
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NF3000, NF4000, NF5000
Specifications Chart

InLab Expert Pro-DES pH Sensors

InLab Expert Pro-DES Cond & DO Sensors

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Mettler Toledo® 31027062 InLab Micro Pro-DES pH Sensor
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NineFocus™ is a high-performance, multiparameter benchtop meter for compelling precision and unlimited possibilities in pH, conductivity, ion concentration, redox, and dissolved oxygen determinations. The modular meter is at its best with the smart digital InLab® DES® sensors for peace of mind in the lab or near production. Designed to support full regulatory compliance, efficient operation, connectivity, and automation options.

Mettler Toledo NineFocus NF2000 pH Meters

Mettler Toledo 31052299 Analog Meas. Module (AMM) pH/Redox/Ion
Mettler Toledo 31052299 Analog Meas. Module (AMM) pH/Redox/Ion, add $1,187.55
Mettler Toledo 31052300 Analog Measurement Module (AMM) Cond
Mettler Toledo 31052300 Analog Measurement Module (AMM) Cond, add $1,135.35
Mettler Toledo 31052301 Digital Measurement Module (DMM) DES
Mettler Toledo 31052301 Digital Measurement Module (DMM) DES, add $432.96
Mettler Toledo 31052304 Cable Terminal NineFocus 0.3m
Mettler Toledo 31052304 Cable Terminal NineFocus 0.3m, add $152.00
Mettler Toledo 31052305 Cable Terminal NineFocus 3.0m
Mettler Toledo 31052305 Cable Terminal NineFocus 3.0m, add $205.92
Mettler Toledo 31052302 Barometric Pressure Sensor USB
Mettler Toledo 31052302 Barometric Pressure Sensor USB, add $88.26
Mettler Toledo 31052303 Control Terminal NineFocus
Mettler Toledo 31052303 Control Terminal NineFocus, add $1,487.70
Mettler Toledo 31052306 Control Terminal Mounting Kit EasyPlace
Mettler Toledo 31052306 Control Terminal Mounting Kit EasyPlace, add $237.60
Mettler Toledo 31052307 Meter Wall Mounting Kit NineFocus
Mettler Toledo 31052307 Meter Wall Mounting Kit NineFocus, add $33.82
Mettler Toledo 31052328 NineFocus Protective Cover Control Terminal
Mettler Toledo 31052328 NineFocus Protective Cover Control Terminal, add $48.45
Mettler Toledo 31052329 Suction Cup Control Terminal
Mettler Toledo 31052329 Suction Cup Control Terminal, add $13.11
InLab Expert Pro-DES pH Sensors
Mettler Toledo® 31027061 InLab Expert Pro-DES pH Sensor
Mettler Toledo® 31027061 InLab Expert Pro-DES pH Sensor, add $475.20
Mettler Toledo® 31027062 InLab Micro Pro-DES pH Sensor
Mettler Toledo® 31027062 InLab Micro Pro-DES pH Sensor, add $770.00
Mettler Toledo® 31027063 InLab Solids Pro-DES pH Sensor
Mettler Toledo® 31027063 InLab Solids Pro-DES pH Sensor, add $633.60
Mettler Toledo® 31027064 InLab Science Pro-DES pH Sensor
Mettler Toledo® 31027064 InLab Science Pro-DES pH Sensor, add $708.40
Mettler Toledo® 31027065 InLab Max Pro-DES pH Sensor
Mettler Toledo® 31027065 InLab Max Pro-DES pH Sensor, add $620.40
Mettler Toledo® 31027066 InLab Pure Pro-DES pH Sensor
Mettler Toledo® 31027066 InLab Pure Pro-DES pH Sensor, add $721.60
Mettler Toledo® 31027067 InLab Ultra Micro Pro-DES pH Sensor
Mettler Toledo® 31027067 InLab Ultra Micro Pro-DES pH Sensor, add $554.40
InLab Expert Pro-DES Cond and DO Sensors
Mettler Toledo® 31027075 InLab 731 Pro-DES Conductivity Sensor
Mettler Toledo® 31027075 InLab 731 Pro-DES Conductivity Sensor, add $721.60
Mettler Toledo® 31027076 InLab 741 Pro-DES Conductivity Sensor
Mettler Toledo® 31027076 InLab 741 Pro-DES Conductivity Sensor, add $1,000.50
Mettler Toledo® 30786580 InLab OptiOx DO Sensor
Mettler Toledo® 30786580 InLab OptiOx DO Sensor, add $1,631.25


METTLER TOLEDO NineFocus NF2000 pH Meter Kit - 30997001
The NineFocus NF2000 meter measures pH and Redox/ORP with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure conductivity or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.

  • Digital pH and Redox/ORP measurement with NF2000 kits
  • Expandable with additional digital modules to measure conductivity and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2000 Kit NineFocus 30997001 pH Meter
$3,168.00

METTLER TOLEDO NineFocus NF2000 pH Meter Stirrer Kit - 30997002
The NineFocus NF2000 meter measures pH and Redox/ORP with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure conductivity or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.

  • Digital pH and Redox/ORP measurement with NF2000 kits
  • Expandable with additional digital modules to measure conductivity and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2000 Kit NineFocus 30997002 Stirrer pH Meter
$3,361.60

METTLER TOLEDO NineFocus NF2000 pH Meter HA Kit - 30997003
The NineFocus NF2000 meter measures pH and Redox/ORP with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure conductivity or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.

  • Digital pH and Redox/ORP measurement with NF2000 kits
  • Expandable with additional digital modules to measure conductivity and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2000 Kit NineFocus 30997003 HA pH Meter
$3,361.60

METTLER TOLEDO NineFocus NF2000 pH Meter LowVol Kit - 30997005
The NineFocus NF2000 meter measures pH and Redox/ORP with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure conductivity or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.

  • Digital pH and Redox/ORP measurement with NF2000 kits
  • Expandable with additional digital modules to measure conductivity and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7" touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2000 Kit NineFocus 30997005 LowVol pH Meter
$3,440.80

METTLER TOLEDO NineFocus NF2000 pH Meter UltraLowVol Kit - 30997004
The NineFocus NF2000 meter measures pH and Redox/ORP with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure conductivity or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.

  • Digital pH and Redox/ORP measurement with NF2000 kits
  • Expandable with additional digital modules to measure conductivity and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2000 Kit NineFocus 30997004 UltraLowVol pH Meter
$3,238.40

METTLER TOLEDO NineFocus NF2000 pH Meter Solids Kit - 30997006
The NineFocus NF2000 meter measures pH and Redox/ORP with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure conductivity or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.

  • Digital pH and Redox/ORP measurement with NF2000 kits
  • Expandable with additional digital modules to measure conductivity and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2000 Kit NineFocus 30997006 Solids pH Meter
$3,326.40

METTLER TOLEDO NineFocus NF2000 pH Meter Organic Kit - 30997007
The NineFocus NF2000 meter measures pH and Redox/ORP with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure conductivity or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.

  • Digital pH and Redox/ORP measurement with NF2000 kits
  • Expandable with additional digital modules to measure conductivity and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2000 Kit NineFocus 30997007 Organic pH Meter
$3,392.40

METTLER TOLEDO NineFocus NF2000 pH Meter Pure H2O Kit - 30997009
The NineFocus NF2000 meter measures pH and Redox/ORP with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure conductivity or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.

  • Digital pH and Redox/ORP measurement with NF2000 kits
  • Expandable with additional digital modules to measure conductivity and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2000 Kit NineFocus 30997009 Pure H2O pH Meter
$3,401.20

pH Meter NineFocus NF2000
Model 30997001 30997002 30997003 30997005 30997004 30997006 30997007 30997009
Kit Stirrer Kit HA Kit LowVol Kit UltraLowVol Solids Kit Organic Kit Pure H2O Kit
Price Mettler Toledo® NF2000 Kit NineFocus 30997001 pH Meter
$3,168.00
Mettler Toledo® NF2000 Kit NineFocus 30997002 Stirrer pH Meter
$3,361.60
Mettler Toledo® NF2000 Kit NineFocus 30997003 HA pH Meter
$3,361.60
Mettler Toledo® NF2000 Kit NineFocus 30997005 LowVol pH Meter
$3,440.80
Mettler Toledo® NF2000 Kit NineFocus 30997004 UltraLowVol pH Meter
$3,238.40
Mettler Toledo® NF2000 Kit NineFocus 30997006 Solids pH Meter
$3,326.40
Mettler Toledo® NF2000 Kit NineFocus 30997007 Organic pH Meter
$3,392.40
Mettler Toledo® NF2000 Kit NineFocus 30997009 Pure H2O pH Meter
$3,401.20
InLab DES Sensor Expert Pro-DES Expert Pro-DES Max Pro-DES Ultra Micro DES Micro Pro-DES Solids Pro-DES Science Pro-DES Pure Pro-DES
Parameter pH,ORP pH,ORP pH,ORP pH,ORP pH,ORP pH,ORP pH,ORP pH,ORP
Channel Single-channel Single-channel Single-channel Single-channel Single-channel Single-channel Single-channel Single-channel
Version kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit
pH measuring range -2,000 – 20,000 -2,000 – 20,000 -2,000 – 20,000 -2,000 – 20,000 -2,000 – 20,000 -2,000 – 20,000 -2,000 – 20,000 -2,000 – 20,000
pH resolution 0.001
0.01
0.1
0.001
0.01
0.1
0.001
0.01
0.1
0.001
0.01
0.1
0.001
0.01
0.1
0.001
0.01
0.1
0.001
0.01
0.1
0.001
0.01
0.1
pH accuracy (±) 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002
mV resolution 0.1
1
0.1
1
0.1
1
0.1
1
0.1
1
0.1
1
0.1
1
0.1
1
mV accuracy (±) 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Temperature Range -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C
Temperature resolution 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C
Temperature accuracy (±) ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C
Ease of Use Simple Methods
Multilingual Menu
Calibration Support
Guided verification
Touch screen
Security and compliance Password protection
GLP
21 CFR part 11 support
User management
Program SOPs into methods
Memory Size 3000 result sets 3000 result sets 3000 result sets 3000 result sets 3000 result sets 3000 result sets 3000 result sets 3000 result sets
Data Transfer PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
Flexibilty and modularity Upgrade for additional parameters
Stirrer
Barcode reader
LabX Software
Protection Rating IP52 IP52 IP52 IP52 IP52 IP52 IP52 IP52
Sensor Included Generalist Sensor Generalist Sensor Generalist (chemical-resistant glass) Sensor for Small Volumes Sensor for Small Volumes Sensor for solid samples Sensor for organic solvents Sensor for pure water
Languages Chinese Simplified, Chinese Traditional, English, French, German, Italian, Polish, Portuguese, Russian, Spanish, Thai, Turkish
Display Type 7" Color TFT 7" Color TFT 7" Color TFT 7" Color TFT 7" Color TFT 7" Color TFT 7" Color TFT 7" Color TFT
Meter Type Benchtop Single-Channel Benchtop Single-Channel Benchtop Single-Channel Benchtop Single-Channel Benchtop Single-Channel Benchtop Single-Channel Benchtop Single-Channel Benchtop Single-Channel
mV measuring range -2000..2000 mV -2000..2000 mV -2000..2000 mV -2000..2000 mV -2000..2000 mV -2000..2000 mV -2000..2000 mV -2000..2000 mV
Dimensions 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm
Weight 1604 g 1604 g 1604 g 1604 g 1604 g 1604 g 1604 g
Connectors ALTW 4PIN
HSD
LAN
Mini-DIN
USB A
USB C
USB A
USB C
ALTW 4PIN
LAN
Mini-DIN
HSD
USB A
USB C
ALTW 4PIN
LAN
Mini-DIN
HSD
USB A
USB C
ALTW 4PIN
LAN
Mini-DIN
HSD
USB A
USB C
ALTW 4PIN
LAN
Mini-DIN
HSD
USB A
USB C
ALTW 4PIN
LAN
Mini-DIN
HSD
USB A
USB C
ALTW 4PIN
LAN
Mini-DIN
HSD
USB A
USB C
ALTW 4PIN
LAN
Mini-DIN
HSD
Compatible with Intelligent sensor management (ISM) No No No No No No No No
Portable Meter No No No No No No No No
Product Line NineFocus NineFocus NineFocus NineFocus NineFocus NineFocus NineFocus NineFocus
Initial Calibration YES
Interfaces USB-A (x3), USB-C, Ethernet
Input voltage / frequency 100-240 V AC (50-60 Hz)
Output voltage / power 12 V / 18 W
Size / weight 195 x 178 x 331 mm / 1604 g
Display type TFT LCD-IPS, Resolution - 1024 x 600
Operating conditions 5… 40 °C / 50---80% humidity (non-condensing)
Altitude up to 5000 m above sea level
Installation category II
Pollution degree 2
Material meter housing Reinforced ABS/PC, float white glass, SUS304 steel
Material module housing Reinforced ABS/PC
Material touch panel Tempered glass

METTLER TOLEDO pH/Cond Meter NineFocus NF2300 Kit - 30997013
The NF2300 Kit includes two measurement modules, one InLab® Expert Pro-DES® and one InLab 731 Pro-DES sensor, an electrode arm and standards for initial calibration. It features a modular system, sensor diagnostics and regulatory compliance support.
The NineFocus NF2300 meter measures pH, Redox/ORP, conductivity, resistance, TDS, and salinity with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.

  • Digital pH, Redox/ORP, conductivity, resistance, TDS, and salinity measurement with NF2300 kits
  • Expandable with additional digital modules to measure dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2300 Kit NineFocus 30997013 pH Meter
$4,144.80

METTLER TOLEDO pH/Cond Meter NineFocus NF2300 Pure H2O - 30997014
The NineFocus NF2300 meter measures pH, Redox/ORP, conductivity, resistance, TDS, and salinity with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.
The NF2300 Pure H2O Kit includes two measurement modules, InLab® Pure Pro-DES® and InLab 741 Pro-DES sensors, an electrode arm and standards for initial calibration. It features a modular system, sensor diagnostics and regulatory compliance support.
The NF2300 Pure H2O Kit includes two measurement modules, InLab® Pure Pro-DES® and InLab 741 Pro-DES sensors, an electrode arm and standards for initial calibration. It features a modular system, sensor diagnostics and regulatory compliance support.

  • Digital pH, Redox/ORP, conductivity, resistance, TDS, and salinity measurement with NF2300 kits
  • Expandable with additional digital modules to measure dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2300 Kit NineFocus 30997014 pH/Cond Meter Pure H2O
$4,676.25

METTLER TOLEDO pH/Cond/DO Meter NineFocus NF2340 Kit - 30997017
The NineFocus NF2340 meter measures pH, Redox/ORP, conductivity, resistance, TDS, salinity, and dissolved oxygen with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional modules for increased digital electrode connections or analog modules to measure pH, ion concentration, or conductivity.
The NF2340 Kit includes 3 measurement modules, InLab® Expert Pro-DES®, 731 Pro-DES and OptiOx Pro-DES sensors, an electrode arm and standards for initial calibration. It features a modular system, sensor diagnostics and regulatory compliance support.

  • Digital pH, conductivity, and dissolved oxygen measurement with NF2340 kits
  • Expandable with additional digital modules to measure pH, Redox/ORP, conductivity, and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF2340 Kit NineFocus 30997017 pH/Cond/DO Meter
$5,655.00

METTLER TOLEDO Cond Meter NineFocus NF3000 Kit - 30997010
The NF3000 Kit includes one measurement module, an InLab® 731 Pro-DES® sensor, an electrode arm and standards for initial calibration. It features a modular system, sensor diagnostics and regulatory compliance support.
The NineFocus NF3000 meter measures conductivity, resistance, TDS, and salinity with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure pH or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.

  • Digital conductivity, resistance, TDS, and salinity measurement with NF3000 kits
  • Expandable with additional digital modules to measure pH, Redox/ORP, and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF3000 Kit NineFocus 30997010 Cond Meter
$3,476.00

METTLER TOLEDO Cond Meter NineFocus NF3000 Pure H2O Kit - 30997011
The NineFocus NF3000 meter measures conductivity, resistance, TDS, and salinity with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure pH or dissolved oxygen. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.
The NF3000 Pure H2O Kit includes one measurement module, an InLab® 741 Pro-DES® sensor, and an electrode arm. It features a modular system, sensor diagnostics and regulatory compliance support.

  • Digital conductivity, resistance, TDS, and salinity measurement with NF3000 kits
  • Expandable with additional digital modules to measure pH, Redox/ORP, and dissolved oxygen or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF3000 Kit NineFocus 30997011 Cond Meter Pure H2O Kit
$3,630.00

METTLER TOLEDO Cond Meter NineFocus NF3000 AMM Base - 30997012
The NineFocus NF3000 meter measures conductivity, resistivity, TDS, and salinity. With the AMM base, this meter is ready to measure in either a digital or analog environment – just add the right electrode for your requirements. Its capabilities can be expanded with additional digital modules to measure pH, dissolved oxygen, and Redox/ORP or analog modules to measure pH, ISE, and Redox/ORP.
The NF3000 AMM Base includes one conductivity analog measurement module for ISM / non-ISM sensors and an electrode arm. It features a modular system, external temperature probe support, sensor backward compatibility and regulatory compliance support

  • Digital conductivity measurement with analog measurement capabilities
  • Expandable with additional digital modules to measure pH, dissolved oxygen, and Redox/ORP or analog modules to measure pH, ISE, and Redox/ORP – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ
The NineFocus NF3000 AMM does not include an electrode.

Mettler Toledo® NF3000 Kit NineFocus 30997012 Cond Meter AMM Base Only
$2,631.20

METTLER TOLEDO DO Meter NineFocus NF4000 Kit - 30997015
The NineFocus NF4000 meter measures dissolved oxygen with our InLab® DES® digital electrodes included in this kit. Its capabilities can be expanded with additional digital signal bridges and electrodes to measure pH or conductivity. Additional modules may be added to measure these parameters simultaneously or analog modules to measure pH, ion concentration, or conductivity.
The NF4000 Kit includes one measurement module, an InLab® OptiOx Pro-DES® sensor, an electrode arm and standards for initial calibration. It features a modular system, an optical DO sensor and regulatory compliance support.

  • Digital dissolved oxygen measurement with NF4000 kits
  • Expandable with additional digital modules to measure pH, Redox/ORP, and conductivity or analog modules to measure pH, ion concentration, or conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ

Mettler Toledo® NF4000 Kit NineFocus 30997015 DO meter
$3,792.80

METTLER TOLEDO pH/Ion meter NineFocus NF5000 AMM Base - 30997016
The NineFocus NF5000 meter measures pH, Redox/ORP, and ion concentration. With the AMM base, this meter is ready to measure in either a digital or analog environment – just add the right electrode for your requirements. Its capabilities can be expanded with additional digital modules to measure conductivity and dissolved oxygen or analog modules to measure conductivity.
The NF5000 AMM Base includes one pH/Ion analog measurement module for ISM / non-ISM pH sensors, and ISE (ion probe). It features a modular system, external temperature probe support, sensor backward compatibility and regulatory compliance support.

  • Digital pH, Redox/ORP, and ISE measurement with analog measurement capabilities
  • Expandable with additional digital modules to measure conductivity and dissolved oxygen or analog modules to measure conductivity – up to four modules
  • Fully flexible user management
  • IP52 rating protects internal components against limited dust ingress and water drips
  • Detachable terminal with a 7” touch screen for flexible placement options
  • Compatible with LabX software for advanced data management and 21CFR part 11 regulatory compliance
  • Export data to a printer, Excel file, or LIMS system with LabX
  • Easily create shortcuts with OneClick™ user interface in 14 languages
  • Optional comprehensive qualification package available including IQ/OQ/PQ
The NineFocus NF5000 AMM does not include an electrode.

Mettler Toledo® NF5000 pH/Ion meter NineFocus 30997016 AMM Base
$2,798.40

Model NF2300
30997013
NF2300
30997014
NF2340
30997017
NF3000
30997010
NF3000
30997011
NF3000
30997012
NF4000
30997015
NF5000
30997016
Kit Pure H2O Kit Kit Pure H2O Kit AMM Base Kit AMM Base
Price Mettler Toledo® NF2300 Kit NineFocus 30997013 pH Meter
$4,144.80
Mettler Toledo® NF2300 Kit NineFocus 30997014 pH/Cond Meter Pure H2O
$4,676.25
Mettler Toledo® NF2340 Kit NineFocus 30997017 pH/Cond/DO Meter
$5,655.00
Mettler Toledo® NF3000 Kit NineFocus 30997010 Cond Meter
$3,476.00
Mettler Toledo® NF3000 Kit NineFocus 30997011 Cond Meter Pure H2O Kit
$3,630.00
Mettler Toledo® NF3000 Kit NineFocus 30997012 Cond Meter AMM Base Only
$2,631.20
Mettler Toledo® NF4000 Kit NineFocus 30997015 DO meter
$3,792.80
Mettler Toledo® NF5000 pH/Ion meter NineFocus 30997016 AMM Base
$2,798.40
Sensor Expert Pro-DES
731 Pro-DES
Pure Pro-DES
741 Pro-DES
Expert Pro-DES
731 Pro-DES
OptiOx Pro-DES
731 Pro-DES 741 Pro-DES - OptiOx Pro-DES -
Modules 1 DMM DES 1 DMM DES 2 DMM DES - - 1 AMM Cond - 1 AMM pH/Redox/Ion
Parameter Conductivity,pH,ORP Conductivity,pH,ORP Conductivity,pH,DO,ORP Conductivity Conductivity Conductivity DO pH,Ion,ORP
Channel Dual-channel Dual-channel Multi-channel Single-channel Single-channel Single-channel Single-channel Single-channel
Version kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit Ready-to-measure kit
pH measuring range -2,000 – 20,000 -2,000 – 20,000 -2,000 – 20,000 - - - - -2 – 20
pH resolution 0.001
0.01
0.1
0.001
0.01
0.1
0.001
0.01
0.1
- - - - 0.001
0.01
0.1
pH accuracy (±) 0.002 0.002 0.002 - - - - 0.002
Ion concentration measuring range - - - - - - - 0 – 999999 mg/l (ppm),-2.000 – 20.000 pX
Ion concentration resolution - - - - - - - 3 or 4 digits (auto-range)
Ion concentration accuracy (±) - - - - - - - 0.5 %
DO measuring range - - 0.000 – 50 mg/l (ppm) - - - 0.000 – 50 mg/l (ppm) -
DO resolution - - 0.001 - - - 0.001 -
DO accuracy (±) - - ± 10% from 20 – 50,± 0.2 mg/l from 8 – 20,± 0.1 mg/l from 0 – 8 - - - ± 10% from 20 – 50,± 0.2 mg/l from 8 – 20,± 0.1 mg/l from 0 – 8 -
Conductivity measuring range 0.001 µs/cm – 2000 ms/cm 0.001 µs/cm – 2000 ms/cm 0.001 µs/cm – 2000 ms/cm 0.001 µs/cm – 2000 ms/cm 0.001 µs/cm – 2000 ms/cm 0.001 µs/cm – 2000 ms/cm - -
Conductivity resolution 0.001 – 0.1 0.001 – 0.1 0.001 – 0.1 0.001 – 0.1 0.001 – 0.1 0.001 – 0.1 - -
Conductivity accuracy (±) 0.5 % 0.5 % 0.5 % 0.5 % 0.5 % 0.5 % - -
mV resolution 0.1
1
0.1
1
0.1
1
- - - - 0.1
1
mV accuracy (±) 0.1 0.1 0.1 - - - - 0.1
Temperature Range -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C -30 °C – 130 °C
Temperature resolution 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C
Temperature accuracy (±) ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C ±0.1 °C between 0 °C and 100 °C
Ease of Use Simple Methods
Multilingual Menu
Calibration Support
Guided verification
Touch screen
Security and compliance Password protection
GLP
21 CFR part 11 support
User management
Program SOPs into methods
Memory Size 3000 result sets 3000 result sets 3000 result sets 3000 result sets 3000 result sets 3000 result sets 3000 result sets 3000 result sets
Data Transfer PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
PC
Printer
USB stick
Flexibilty and modularity Upgrade for additional parameters
Stirrer
Barcode reader
LabX Software
Protection Rating IP52 IP52 IP52 IP52 IP52 IP52 IP52 IP52
Sensor Included Generalist Sensor Generalist Sensor Generalist (chemical-resistant glass) Generalist Sensor Sensor for pure water None Generalist Sensor None
Languages Chinese Simplified, Chinese Traditional, English, French, German, Italian, Polish, Portuguese, Russian, Spanish, Thai, Turkish
Display Type 7" Color TFT 7" Color TFT 7" Color TFT 7" Color TFT 7" Color TFT 7" Color TFT 7" Color TFT 7" Color TFT
Meter Type Benchtop Dual-Channel Benchtop Dual-Channel Benchtop Single-Channel Benchtop Single-Channel Benchtop Single-Channel Benchtop Single-Channel Benchtop Single-Channel Benchtop Single-Channel
mV measuring range -2000..2000 mV -2000..2000 mV -2000..2000 mV - - - - -
Dimensions 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm 111 x 178 x 325 mm
Weight 1697 g 1697 g 1604 g 1701 g 1701 g 1701 g 1604 g 1720 g
Connectors USB A
USB C
ALTW 4PIN
LAN
Mini-DIN
HSD
Compatible with Intelligent sensor management (ISM) No No No No No Yes No Yes
Portable Meter No No No No No No No No
Product Line NineFocus NineFocus NineFocus NineFocus NineFocus NineFocus NineFocus NineFocus
Initial Calibration YES
Interfaces USB-A (x3), USB-C, Ethernet
Input voltage / frequency 100-240 V AC (50-60 Hz)
Output voltage / power 12 V / 18 W
Size / weight 195 x 178 x 331 mm / 1604 g
Display type TFT LCD-IPS, Resolution - 1024 x 600
Operating conditions 5… 40 °C / 50---80% humidity (non-condensing)
Altitude up to 5000 m above sea level
Installation category II
Pollution degree 2
Material meter housing Reinforced ABS/PC, float white glass, SUS304 steel
Material module housing Reinforced ABS/PC
Material touch panel Tempered glass



InLab Expert Pro-DES pH Sensors

Durable Digital pH Sensors for Clog-Free Weighing & Testing

The Mettler Toledo InLab Expert Pro-DES is a high-performance, digital "3-in-1" pH sensor engineered for durability in demanding laboratory and field environments. Its defining feature is the unbreakable PEEK shaft, which provides superior chemical resistance and physical protection compared to traditional glass probes. By utilizing a solid XEROLYT® polymer electrolyte and an open junction design, the sensor effectively eliminates the risk of clogging, making it the ideal choice for testing "dirty" samples such as wastewater, emulsions, suspensions, and protein-rich food products.

Beyond its physical toughness, the "DES" series integrates Intelligent Sensor Management (ISM) and digital diagnostics to ensure high data integrity. This technology allows the sensor to store calibration data and provide a "health indicator" that monitors the probe's condition in real-time. With its built-in temperature probe for automatic compensation and an ARGENTHAL™ reference system that prevents sulfide contamination, this sensor offers a low-maintenance, reliable solution for professional users who require precise pH measurements across a wide temperature range of 0°C to 100°C.


METTLER TOLEDO NineFocus pH Sensor InLab Expert Pro-DES - 31027061
A combination pH electrode with PEEK plastic shaft for chemical and mechanical durability, as part of our Diagnosable, Efficient, and Sustainable InLab DES digital electrode line. Designed for use in a variety of applications.
Ideal for critical samples such as suspensions or samples of unknown composition. Mettler Toledo Expert Series pH and pH/ATC Combination Electrodes with open junction puts the reference electrode in direct contact with the measured medium, eliminating the possibility of contamination or blockage.

  • For use with METTLER TOLEDO NineFocus. Connection cables and signal bridges may be required.
  • Features a PEEK plastic shaft for harsh environments and requires no maintenance
  • Diagnosable, efficient, and sustainable (DES) electrodes capture and save calibration data, and the diagnostic system’s preventive maintenance feature maximizes the sensor’s lifespan and prevents premature discard.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
    Accessories & Care
  • Open Junction and non-refillable - no additional electrolyte required
  • Store in 3M KCl (51350072) or InLab Storage Solution (30111142)
  • Recommended for use with METTLER TOLEDO buffers (Sachets: 51302080, Bottles: 63056116)

Mettler Toledo® 31027061 InLab Expert Pro-DES pH Sensor
$475.20

METTLER TOLEDO NineFocus pH Sensor InLab Micro Pro-DES - 31027062
A combination pH electrode with a ceramic junction and narrow sensing membrane for small sample volumes or for measuring in small containers, as part of our Diagnosable, Efficient, and Sustainable InLab DES digital electrode line. Designed for use in a variety of applications.
Ideal for critical samples where there is low sample volume or in small containers such as vials and test tubes. Mettler Toledo Micro Series pH and pH/ATC Combination Electrodes with ceramic junction allows for accurate measurements no matter the sample volume.

  • For use with METTLER TOLEDO NineFocus. Connection cables and signal bridges may be required.
  • Features a narrow sensing membrane for small sample volumes or containers
  • Diagnosable, efficient, and sustainable (DES) electrodes capture and save calibration data, and the diagnostic system’s preventive maintenance feature maximizes the sensor’s lifespan and prevents premature discard.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
    Accessories & Care
  • Store in 3M KCl (51350072) or InLab Storage Solution (30111142)
  • Recommended for use with METTLER TOLEDO buffers (Sachets: 51302080, Bottles: 63056116)

Selected
Mettler Toledo® 31027062 InLab Micro Pro-DES pH Sensor
$770.00

METTLER TOLEDO NineFocus pH Sensor InLab Solids Pro-DES - 31027063
A low maintenance glass pH electrode with an integrated temperature probe featuring a clog-free, open junction that eliminates the risk of protein fouling, as part of our Diagnosable, Efficient, and Sustainable InLab DES digital electrode line. Designed for use in a variety of applications.
Ideal for solid samples such as meats, dairy, and fruit and vegetable products. Mettler Toledo Solids Series pH and pH/ATC Combination Electrodes with open junction puts the reference electrode in direct contact with the measured medium, eliminating the possibility of contamination or blockage.

  • For use with METTLER TOLEDO NineFocus. Connection cables and signal bridges may be required.
  • Features a speared tip for piercing solid samples and requires no maintenance
  • Diagnosable, efficient, and sustainable (DES) electrodes capture and save calibration data, and the diagnostic system’s preventive maintenance feature maximizes the sensor’s lifespan and prevents premature discard.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
    Accessories & Care
  • Open Junction and non-refillable - no additional electrolyte required
  • Store in 3M KCl (51350072) or InLab Storage Solution (30111142)
  • Recommended for use with METTLER TOLEDO buffers (Sachets: 51302080, Bottles: 63056116)

Mettler Toledo® 31027063 InLab Solids Pro-DES pH Sensor
$633.60

METTLER TOLEDO NineFocus pH Sensor InLab Science Pro-DES - 31027064
A combination pH featuring a special glass body which is resistant to corrosive or organic samples and is ideal for high temperatures and biological media, as part of our Diagnosable, Efficient, and Sustainable InLab DES digital electrode line. Designed for use in a variety of applications.
Ideal for biological or organic samples where there may a corrosive environment or high temperature. Mettler Toledo Science Series pH and pH/ATC Combination Electrodes with high electrolyte outflow prevents contaminants from entering and clogging the junction, which would interfere with the reading.

  • For use with METTLER TOLEDO NineFocus. Connection cables and signal bridges may be required.
  • Features a special glass body which is resistant to corrosive or organic samples, and is ideal for high temperatures and biological media.
  • Diagnosable, efficient, and sustainable (DES) electrodes capture and save calibration data, and the diagnostic system’s preventive maintenance feature maximizes the sensor’s lifespan and prevents premature discard.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
    Accessories & Care
  • Store in 3M KCl (51350072) or InLab Storage Solution (30111142)
  • Recommended for use with METTLER TOLEDO buffers (Sachets: 51302080, Bottles: 63056116)

Mettler Toledo® 31027064 InLab Science Pro-DES pH Sensor
$708.40

METTLER TOLEDO NineFocus pH Sensor InLab MAX Pro-DES - 31027065
A combination all-purpose pH electrode featuring an immovable glass sleeve to help prevent pollutants from entering and clogging the junction, as part of our Diagnosable, Efficient, and Sustainable InLab DES digital electrode line. Designed for use in a variety of applications.
Ideal for samples with high ion strength or general laboratory measurements. Mettler Toledo Science Max pH and pH/ATC Combination Electrodes with immovable glass sleeve junction help prevent contamination of the electrode.

  • For use with METTLER TOLEDO NineFocus. Connection cables and signal bridges may be required.
  • Features an immovable glass sleeve junction and suited for a wide variety of applications.
  • Diagnosable, efficient, and sustainable (DES) electrodes capture and save calibration data, and the diagnostic system’s preventive maintenance feature maximizes the sensor’s lifespan and prevents premature discard.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
Accessories & Care
  • Store in 3M KCl (51350072) or InLab Storage Solution (30111142)
  • Recommended for use with METTLER TOLEDO buffers (Sachets: 51302080, Bottles: 63056116)

Mettler Toledo® 31027065 InLab Max Pro-DES pH Sensor
$620.40

METTLER TOLEDO NineFocus pH Sensor InLab Pure Pro-DES - 31027066
A combination pH electrode designed for ion-weak-samples such as ultrapure water and deionized water, as part of our Diagnosable, Efficient, and Sustainable InLab DES digital electrode line.
Ideal for samples with low ion strength. Mettler Toledo Science Pure pH and pH/ATC Combination Electrodes with immovable glass sleeve junction allows a steady electrolyte flow for accurate measurement.

  • For use with METTLER TOLEDO NineFocus. Connection cables and signal bridges may be required.
  • Features an immovable glass sleeve junction and LoT membrane glass, ideal for water samples.
  • Diagnosable, efficient, and sustainable (DES) electrodes capture and save calibration data, and the diagnostic system’s preventive maintenance feature maximizes the sensor’s lifespan and prevents premature discard.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
    Accessories & Care
  • Store in 3M KCl (51350072) or InLab Storage Solution (30111142)
  • Recommended for use with METTLER TOLEDO buffers (Sachets: 51302080, Bottles: 63056116)

Mettler Toledo® 31027066 InLab Pure Pro-DES pH Sensor
$721.60

METTLER TOLEDO NineFocus pH Sensor InLab Ultra-Micro Pro-DES - 31027067
A pH electrode with a ceramic junction and narrow sensing membrane for small sample volumes or for measuring in small containers, as part of our Diagnosable, Efficient, and Sustainable InLab DES digital electrode line. Designed for use in a variety of applications.
Ideal for critical samples where there is low sample volume or in small containers such as vials and test tubes. Mettler Toledo Micro Series pH Electrodes with ceramic junction allows for accurate measurements no matter the sample volume.

  • For use with METTLER TOLEDO NineFocus. Connection cables and signal bridges may be required.
  • Features a narrow sensing membrane for small sample volumes or containers
  • Diagnosable, efficient, and sustainable (DES) electrodes capture and save calibration data, and the diagnostic system’s preventive maintenance feature maximizes the sensor’s lifespan and prevents premature discard.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
Accessories & Care
  • Store in 3M KCl (51350072) or InLab Storage Solution (30111142)
  • Recommended for use with METTLER TOLEDO buffers (Sachets: 51302080, Bottles: 63056116)

Mettler Toledo® 31027067 InLab Ultra Micro Pro-DES pH Sensor
$554.40

Model 31027061
Expert
31027062
Micro
31027063
Solids
31027064
Science
31027065
Max
31027066
Pure
31027067
Ultra Micro
Price Mettler Toledo® 31027061 InLab Expert Pro-DES pH Sensor
$475.20
Selected
Mettler Toledo® 31027062 InLab Micro Pro-DES pH Sensor
$770.00
Mettler Toledo® 31027063 InLab Solids Pro-DES pH Sensor
$633.60
Mettler Toledo® 31027064 InLab Science Pro-DES pH Sensor
$708.40
Mettler Toledo® 31027065 InLab Max Pro-DES pH Sensor
$620.40
Mettler Toledo® 31027066 InLab Pure Pro-DES pH Sensor
$721.60
Mettler Toledo® 31027067 InLab Ultra Micro Pro-DES pH Sensor
$554.40
pH range 0 – 14 0 – 14 1 – 11 0 – 12 0 – 14 1 – 11 1 – 11
Temperature range 0 to 100 oC 0 to 100 oC 0 to 80 oC 0 to 100 oC 0 to 100 oC 0 to 80 oC 0 to 80 oC
Type of junction 2 open junctions Ceramic Open junction Moveable glass sleeve Immoveable glass sleeve Immoveable glass sleeve Ceramic
Shaft Material PEEK Glass Glass Glass Glass Glass Glass
Sensor type Combined electrode Combined electrode Combined electrode Combined electrode Combined electrode Combined electrode Combined electrode
Shaft length 120 mm 130 mm 25 mm 170 mm 120 mm 170 mm 40 mm
Shaft Diameter 12 mm 5 mm 6 mm 12 mm 12 mm 12 mm 3 mm
Parameter pH pH pH pH pH pH pH
Reference System ARGENTHAL™ with Ag+-trap ARGENTHAL™ with Ag+-trap ARGENTHAL™ with Ag+-trap ARGENTHAL™ with Ag+-trap ARGENTHAL™ with Ag+-trap ARGENTHAL™ with Ag+-trap ARGENTHAL™ with Ag+-trap
Reference electrolyte XEROLYT® Polymer 3 mol/L KCl XEROLYT® EXTRA Polymer 3 mol/L KCl 3 mol/L KCl 1 mol/L KCl,3 mol/L KCl FRISCOLYT-B®
Membrane glass U U LoT A41 HA LoT LoT
Membrane resistance (25°C) < 250 mΩ < 300 mΩ < 250 mΩ < 600 mΩ < 600 mΩ < 50 mΩ < 700 mΩ
Minimum sample volume 20 mL 100 µL 20 mL 20 mL 20 mL 20 mL 15 µL
Temperature probe NTC 30 kΩ NTC 30 kΩ NTC 30 kΩ NTC 30 kΩ NTC 30 kΩ NTC 30 kΩ No
Low Maintenance YES No YES No No No No
Signal type Digital Digital Digital Digital Digital Digital Digital
Reference electrolyte Order no. - 51343180 - 51343180 51343180 51343180 51343180
Application Notes Fruit Juice,Rice TRIS-Containing Samples,Small-Volume Samples Plant-Based Proteins, Brine, Cream, Seafood, Cheese, Yogurt, Meat, Jam and Jelly, Fruits and Vegetables, Sauce, Canned Foods, Sushi Rice, Milk,Rice Organic Solvents,Silver Nitrate,e-Liquids,Protein-Containing Samples,TRIS-Containing Samples,Hand Sanitizer,Paints Wine,Liquid Culture Media,Cathode Materials,Fruit Juice,Pharmaceutical Suspensions,Soft Drinks,Protein-Containing Samples,Sauce,Brine,Hand Sanitizer,Paints,Beer Pure Water,Surfactant Small-Volume Samples
Cable included No No No No No No No
Compatible Meter NineFocus NineFocus NineFocus NineFocus NineFocus NineFocus NineFocus
Connector on Sensor To Signal Bridge (sVP8) To Signal Bridge (sVP8) To Signal Bridge (sVP8) To Signal Bridge (sVP8) To Signal Bridge (sVP8) To Signal Bridge (sVP8) To Signal Bridge (sVP8)
DES® - Sensor Diagnostics Yes Yes Yes Yes Yes Yes Yes
Links to Application Notes rice, fruit-juice small-samples, TRIS-samples brine, fruits-and-vegetables, yogurt, rice, sauce, milk, plant-based-proteins, sushi-rice, seafood, cream, meat, cheese, canned-foods, jam-and-jelly eliquids, Protein-samples, hand-sanitizer, paints, silver-nitrate, TRIS-samples, organic-solvents wine, brine, Protein-samples, hand-sanitizer, liquid-culture-media, sauce, cathode-material, paints, beer, suspensions, soft-drinks, fruit-juice pure-water, surfactants small-samples
Recommended Meter Models NF2300,NF2000,NF2340 NF2300,NF2000,NF2340 NF2300,NF2000,NF2340 NF2300,NF2000,NF2340 NF2300,NF2000,NF2340 NF2300,NF2000,NF2340 NF2300,NF2000,NF2340
Recommended Meters NineFocus NineFocus NineFocus NineFocus NineFocus NineFocus NineFocus
Sample Composition Aqueous Aqueous Solids/semi-solids Non-Aqueous Aqueous,Contains proteins/TRIS/sulphides (aqueous) Low ionic strength (aqueous)
Sample Consistency Liquid,Sludge/slurry/suspension Aqueous,Contains proteins/TRIS/sulphides (aqueous),High salt content (aqueous) Solid/semi-solid (measure inside sample/puncture) Liquid Liquid,Sludge/slurry/suspension Liquid Aqueous,Contains proteins/TRIS/sulphides (aqueous),High salt content (aqueous)
Sample temperature 0°-100°C 0°-100°C 0°-100°C 0°-100°C 0°-100°C 0°-100°C 0°-100°C
Sample Volume >= 20 ml 100 µl - 500 µl >= 20 ml >= 20 ml >= 20 ml >= 20 ml < 100 µl
Sensor characteristics Automatic Sensor Recognition,Temperature probe,Calibration History Stored,Mechanically robust Automatic Sensor Recognition,Chemically robust,Temperature probe,Calibration History Stored,Small volume Automatic Sensor Recognition,Chemically robust,Temperature probe,Calibration History Stored Automatic Sensor Recognition,Chemically robust,Temperature probe,Calibration History Stored Automatic Sensor Recognition,Chemically robust,Temperature probe,Calibration History Stored Automatic Sensor Recognition,Chemically robust,Temperature probe,Calibration History Stored Automatic Sensor Recognition,Chemically robust,Calibration History Stored,Small volume
Typical Samples Water,Beer, Suspended soil TRIS buffers,Enzyme solution,Proteinaceous samples Fruit & Vegetables,Cheese,Meat & Fish Organic solvents,Petrol,Alcohols Liquid Culture Media, Wine, TRIS buffers Distilled water,Water for injection,Sterile water TRIS buffers,Enzyme solution,Proteinaceous samples
Unique Sensor Purpose Generalist Best Choice Small Volumes (100 µL - 20 mL) Solids/Semi-solids Organic Solvents pH < 2 and > 12 Pure Water Very Small Volumes (15 - 100 µL)



InLab Expert Pro-DES Cond and DO Sensors

METTLER TOLEDO NineFocus Sensor InLab 731 Pro-DES - 31027075
A 4 graphite poles conductivity electrode with integrated temperature sensor. Designed for general applications like standard and high conductivity samples.
A combination conductivity electrode designed for samples measuring from 0.01 – 1000 mS/cm, as part of our Diagnosable, Efficient, and Sustainable InLab DES digital electrode line.

  • For use with METTLER TOLEDO NineFocus. Connection cables and signal bridges may be required.
  • Integrated temperature probes
  • Diagnosable, efficient, and sustainable (DES) electrodes capture and save calibration data, and the diagnostic system’s preventive maintenance feature maximizes the sensor’s lifespan and prevents premature discard.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
    Accessories & Care
  • Store dry
  • 1413 µS/cm, one-time use sachets (51302049)
  • 12.88 mS/cm, one-time use sachets (51302050)

Mettler Toledo® 31027075 InLab 731 Pro-DES Conductivity Sensor
$721.60

METTLER TOLEDO NineFocus Conductivity Sensor InLab 741 Pro-DES - 31027076
A 2 steel poles conductivity electrode with integrated temperature sensor. Ideal for low conductivity range samples like pure water and ultra pure water.
A combination conductivity electrode designed for samples measuring from 0.001 – 500 µS/cm, as part of our Diagnosable, Efficient, and Sustainable InLab DES digital electrode line.

  • For use with METTLER TOLEDO NineFocus. Connection cables and signal bridges may be required.
  • Integrated temperature probes
  • Diagnosable, efficient, and sustainable (DES) electrodes capture and save calibration data, and the diagnostic system’s preventive maintenance feature maximizes the sensor’s lifespan and prevents premature discard.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
    Accessories & Care
  • Store dry
  • 1413 µS/cm, one-time use sachets (51302049)
  • 12.88 mS/cm, one-time use sachets (51302050)"

Mettler Toledo® 31027076 InLab 741 Pro-DES Conductivity Sensor
$1,000.50

METTLER TOLEDO NineFocus DO Sensor InLab OptiOx Pro-DES - 30786580
Optical DO sensor for general applications with an integrated temperature sensor and DES® technology. For fast and accurate results.
Optical Dissolved Oxygen sensor for general applications with an integrated temperature probe, as part of our Diagnosable, Efficient, and Sustainable InLab DES digital electrode line. Designed to measure dissolved oxygen from 0 – 50 mg/L, or 0 – 500%.

  • For use with METTLER TOLEDO NineFocus. Connection cables and signal bridges may be required.
  • Integrated temperature probe
  • Diagnosable, efficient, and sustainable (DES) electrodes capture and save calibration data, and the diagnostic system’s preventive maintenance feature maximizes the sensor’s lifespan and prevents premature discard.
  • Capture electrode calibration and results with LabX software, designed for advanced data management and 21CFR part 11 regulatory compliance.
  • Barometric Pressure Sensor included in standard delivery

Mettler Toledo® 30786580 InLab OptiOx DO Sensor
$1,631.25

Model 31027075
Conductivity
31027076
Conductivity
30786580
DO
Price Mettler Toledo® 31027075 InLab 731 Pro-DES Conductivity Sensor
$721.60
Mettler Toledo® 31027076 InLab 741 Pro-DES Conductivity Sensor
$1,000.50
Mettler Toledo® 30786580 InLab OptiOx DO Sensor
$1,631.25
Measuring range 0.01 – 1000 mS/cm 0.001 – 500 µS/cm 0 – 500%, 0 – 50 mg/L
Temperature range 0 to 100 oC 0 to 100 oC 0 to 50 oC
Connector Mini-DIN Mini-DIN -
Cell type 4 graphite poles 2 steel poles -
Cell Constant 0.57 cm-1 0.105 cm-1 -
Shaft Material Epoxy Stainless Steel PC/ABS
Sensor type Combined electrode/td> Combined electrode Optical
Shaft length 120 mm 120 mm 65 mm
Shaft Diameter 12 mm 12 mm 12 mm
Parameter Conductivity Conductivity DO
Temperature probe NTC 30 kΩ NTC 30 kΩ NTC 30 kΩ
For Portable Meter No No No
Low Maintenance Yes Yes -
Signal type Digital Digital Digital
Sample General purpose Low-ion strength (pure water) General purpose
Cable included No No No
Compatible Meter NineFocus NineFocus NineFocus
Connector on Sensor To Signal Bridge (sVP8) To Signal Bridge (sVP8) To Signal Bridge (sVP8)
DES® - Sensor Diagnostics Yes Yes Yes
Long Cable No No No
Presence of Harsh Chemicals No No No
Recommended Meter Models NF2300,NF3000,NF2340 NF2300,NF3000,NF2340 NF4000,NF2340
Recommended Meters NineFocus NineFocus NineFocus
Sensor characteristics Temperature probe,Premium Sensor,Analogue,Mechanically robust Temperature probe,Premium Sensor,Analogue,Mechanically robust Automatic Sensor Recognition,Temperature probe,Calibration History Stored,Premium Sensor,Optical,Digital sensor,IP67
Sample Conductivity >100 uS/cm >100 uS/cm -
Unique Sensor Purposee High Conductivity Low Conductivity Optical Best Choice



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