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Ohaus ST300-G Starter Series Portable Water pH Analysis Meter

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When it comes to versatility, the OHAUS Starter Series of Portable Meters are second to none. With an IP54-rated protective casing shielding the meter from water and/or dust damage, the compact and ergonomically design is adaptable for a wide array of environments. Highlighted by up to 500 hours of operation time and 30 sets of memory data, the Starter Portable Meters make for the most reliable lab partners, whether inside or out. more ...
Laboratory Equipment > pH Meters > pH Meters
Ohaus ST300-G Starter Series Portable Water pH Analysis Meter





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Ohaus ST300-G Starter Series Portable Water pH Analysis Meter
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(48 US States Only)

Price: $368.05


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Optional Accessories
Ohaus STSURF 2 in 1 Plastic Flat pH Electrode Ohaus STSURF 2 in 1 Plastic Flat pH Electrode , $135.15
Ohaus ST260 2 in 1 Glass Double salt bridge pH Electrode Can Test Trisbuffer Ohaus ST260 2 in 1 Glass Double salt bridge pH Electrode Can Test Trisbuffer , $138.55
Ohaus ST350 Glass pH Electrode Ohaus ST350 Glass pH Electrode , $147.90
Ohaus STMICRO8 2 in 1 Glass Micro Sample pH Electrode, 150 x 8mm Ohaus STMICRO8 2 in 1 Glass Micro Sample pH Electrode, 150 x 8mm , $227.80
Ohaus STMICRO5 2 in 1 Glass Micro Sample pH Electrode, 80 x 5mm Ohaus STMICRO5 2 in 1 Glass Micro Sample pH Electrode, 80 x 5mm , $212.50
Ohaus STORP2 Refillable Glass ORP Electrode Ohaus STORP2 Refillable Glass ORP Electrode , $209.10
Ohaus STORP1 Gel Plastic ORP Electrode Ohaus STORP1 Gel Plastic ORP Electrode , $78.20
Ohaus STTEMP30 Temperature Electrode Ohaus STTEMP30 Temperature Electrode , $68.00
Ohaus STPURE 2 in 1 Glass Pure Water Sample pH Electrode Ohaus STPURE 2 in 1 Glass Pure Water Sample pH Electrode , $115.60
Ohaus ST230 2 in 1 Glass Muddy Sample pH Electrode Ohaus ST230 2 in 1 Glass Muddy Sample pH Electrode , $103.70
Ohaus ST320 2 in 1 Plastic Gel pH Electrode (83033967) Ohaus ST320 2 in 1 Plastic Gel pH Electrode (83033967) , $119.00
Ohaus ST210 2 in 1 Plastic Refillable pH Electrode Ohaus ST210 2 in 1 Plastic Refillable pH Electrode , $55.25
Ohaus ST310 3 in 1 Plastic Refillable pH Electrode Ohaus ST310 3 in 1 Plastic Refillable pH Electrode , $119.00
Ohaus STSURF 2 in 1 Plastic Flat pH Electrode Ohaus STSURF 2 in 1 Plastic Flat pH Electrode , $135.15

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Ohaus
SKU: 30219114

Features

When it comes to versatility, the OHAUS Starter Series of Portable Meters are second to none. With an IP54-rated protective casing shielding the meter from water and/or dust damage, the compact and ergonomically design is adaptable for a wide array of environments. Highlighted by up to 500 hours of operation time and 30 sets of memory data, the Starter Portable Meters make for the most reliable lab partners, whether inside or out.

Portable Meters Packed with Productive Features

The Starter Series of portable water analysis meters was created with versatility in mind. They can be operated in the lab with the support of the built-in stands or in the field thanks to their lightweight design. With a clear, well-organized LCD screen and five clearly marked keys, utilizing the Starter Series is simple for novices and professionals alike. The portable Starter Series also boasts IP54 protection which sheilds the meter from damage by water and dust particles and it also offers an intergrated labeling area which can be customized for quick identification. Each meter can store 30 sets of data memory and has the ability to quickly recall calibration data and stored information with one quick touch.

Starter 3000-G

Starter 300-G combines portability with precise pH measurement. An ORP or temperature electrode can also be easily connected to provide additional functionality

  • Auto buffer recognition stores calibration data and helps to avoid errors
  • during the calibration process
  • Automatic and manual temperature compensation helps ensure accurate
  • readings
This package includes:
  • ST300-B Package
  • ST320 3-in-1 Plastic Gel pH Electrode
  • pH Buffer Powder Sachet (4.01, 7.00, 10.01)
  • Portable Bag

After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in the form of a portable pH Water Analysis Meter. This portable meter offers convenience, reliability and durability in one compact design.


Weight:2.00 lb
Model ST300-B ST300 ST300-G ST300C-B ST300C ST300C-G ST300D-B ST300D ST300D-G
Package Includes 300 Meter with IP54 Sets, Electrode Clip
Wrist Strap and 4 AAA Batteries (Electrode not included)
300 Meter, ST320 3-in-1 Plastic Gel pH Electrode
and pH Buffer Powder Sachet
ST300-B, ST320 3-in-1 Plastic Gel pH Electrode,
pH Buffer Powder Sachet (4.01, 7.00, 10.01), Portable Bag
Starter 300C Meter, Conductivity Standards 1413µs/cm and 12.88mS/cm (20 ml bottles), IP54 Sets, Electrode Clip, Wrist Strap, 4 AAA Batteries (Electrode not included) 300C Meter, with STCON3 4-Pole Conductivity Electrode (70 µs/cm-200 ms/cm, 2 Small Bottles of Standard Conductivity Solution - 1413 µS/cm and 12.88 ms/cm, IP54 Sets, Electrode Clip, Wrist Strap, 4 AAA Batteries ST300C-B Package, STCON3 4-Pole Conductivity Electrode (70 µs/cm-200 mS/cm), Portable Bag 300D Meter with IP54 Sets, Electrode Clip, Wrist Strap and 4 AAA Batteries (Electrode not included) 300D Meter with STDO11 Galvanic DO Electrode, and STTEMP30 Temperature Electrode ST300D-B Package with STDO11 Galvanic DO Electrode, STTEMP30 Temperature Electrode, Portable Bag
Measurement Range 0.00 - 14.00 pH
-1999 - 1999 mV
0°C - 100°C
0.0 µS/cm - 199.9 mS/cm
0.1 mg/l - 199.9 g/l (TDS)
0°C - 100°C
0.0 - 199.9%;200 - 400%
0.00 - 12.99;20.0 - 45.0 mg/L
0.00-19.99;20.0 - 45.0 ppm
0 - 50°C
Measurement Resolution 0.01pH
1 mV
0.1°C
Automatic Range
0.1°C
0.1%;1%
0.1 mg/L;1 mg/L
0.01 ppm;0.1 ppm
0.1°C
Barometric Range N/A N/A 375 - 825 mmHg
500 - 1100 mbar
500 - 1100 hPa
Barometric Resolution N/A N/A 1 mmHg
1 mbar
1 hPa
Error Limits ± 0.01pH
± mV
± 0.5°C
± 0.5% of the Measured Value
± 0.3°C
± 1%; ± 0.33°C
Calibration 3 Points
1 Predefined Buffer Group
1 Point
3 Predefined Buffer Groups
1 or 2 Points
100% and 0%
Memory 30 Measurements
Last Calibration Data
30 Measurements
Last Calibration Data
30 Measurements
Last Calibration Data
Power Supply 4 AAA
> 500 Operating Hours
4 AAA
> 250 Operating Hours
4 AAA
> 250 Operating Hours
Size / Weight 90 W x 150 D x 35 H
0.18kg (without batteries)
90 W x 150 D x 35 H
0.16kg (without batteries)
90 W x 150 D x 35 H
0.18kg (without batteries)
Display Liquid Crystal Liquid Crystal Liquid Crystal
Input BNC, Impedance > 10e+ 12 Ω
Cinch, NTC 30k Ω
Mini-Din BNC
Cinch, NTC 30k Ω
Temperature Compensation ATC & MTC ATC, Linear: 0.00 %/°C = 10.00%/°C
Reference Temperature 20 & 25 °C
ATC $ MTC
Salinity Compensation N/A N/A 0.0 to 50.0 ppt
IP Protection IP54 IP54 IP54
Housing ABS ABS ABS
2 Year Manufacture Warranty
Other Ohaus ST300 Portable Water pH Analysis Meter

ST300-B Starter Series Portable Water pH Analysis Meter

$266.05

ST300D-B
(30031656) Starter Series Portable Dissolved Oxygen Analysis Meter

$313.65

ST300C-B
Starter Series Portable Water Conductivity Analysis Meter

$317.05

ST300
Starter Series Portable Water pH Analysis Meter

$351.90

ST300-G Starter Series Portable Water pH Analysis Meter

$368.05

You are viewing this product

ST300C
Starter Series Portable Water Conductivity Analysis Meter

$402.90

ST300C-G
Starter Series Portable Water Conductivity Analysis Meter (30219115)

$417.35

ST300D
(30031655) Starter Series Portable Dissolved Oxygen Analysis Meter

$553.35

ST300D-G
Starter Series Portable Dissolved Oxygen Analysis Meter (30219116)

$579.70

* within the 48 continental US States


Optional Accessories


Ohaus STSURF 2 in 1 Plastic Flat pH Electrode
more info
Ohaus STSURF 2 in 1 Plastic Flat pH Electrode
more info
Price: $135.15
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Ohaus STSURF 2 in 1 Plastic Flat pH Electrode

2-in-1 refillable pH electrode. Suitable for flat surface applications, such as skin, paper etc..

STSURF
Shaft Material Plastic
pH Range 2 to 12pH
Temp Range 0 to 80 ºC
Internal Reference Type Ag/AgCl
Gel/Refillable Refillable
Reference Junction Type Ground glass
Refilling Reference Electrolyte 3M KCl solution
Shaft Dimensions 120 x 12 mm
Cable Length 1 m
Temp Sensor No
Connector BNC
Ohaus ST260 2 in 1 Glass Double salt bridge pH Electrode Can Test Trisbuffer
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Ohaus ST260 2 in 1 Glass Double salt bridge pH Electrode Can Test Trisbuffer
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Price: $138.55
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2 in 1 Glass Double salt bridge pH Electrode Can Test Tris-buffer

2-in-1 double saltbridge pH electrode. Suitable for samples which may react with Ag ions, such as trisbuffer solution.

ST350 ST260
Shaft Material Glass Glass
Temp Range 0 to 100°C 0 to 100°C
Internal Reference Type Ag/AgCl Ag/AgCl
Gel/Refillable Refillable Refillable
Reference Junction Type Annular ceramic Ceramic pin
Refilling Reference Electrolyte 3M KCl solution Double salt-bridge 3M KCl
(AgCl)---Pure KCl solution
Shaft Dimensions 120 x 12 mm 120 x 12 mm
Cable Length 1 m 1 m
Temp Sensor Yes No
Connector BNC Cinch BNC
Ohaus ST350 Glass pH Electrode
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3 in 1 Glass pH Electrode

3-in-1 refillable pH electrode, with integrated temperature probe. Suitable for normal samples

ST350 ST360
Shaft Material Glass Glass
Temp Range 0 to 100°C 0 to 100°C
Internal Reference Type Ag/AgCl Ag/AgCl
Gel/Refillable Refillable Refillable
Reference Junction Type Annular ceramic Ceramic pin
Refilling Reference Electrolyte 3M KCl solution Double salt-bridge 3M KCl
(AgCl)---Pure KCl solution
Shaft Dimensions 120 x 12 mm 120 x 12 mm
Cable Length 1 m 1 m
Temp Sensor Yes No
Connector BNC Cinch BNC
Ohaus STMICRO8 2 in 1 Glass Micro Sample pH Electrode, 150 x 8mm
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Ohaus STMICRO8 2 in 1 Glass Micro Sample pH Electrode, 150 x 8mm
more info
Price: $227.80
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2 in 1 Glass Micro Sample pH Electrode, 150 x 8mm

2-in-1 150mm length and 8mm diameter refillable pH electrode. Suitable for small samples, tubes, and narrow containers.

STMICRO5 STMICRO8
Shaft Material Glass Glass
Temp Range 0 to 100°C 0 to 100°C
Internal Reference Type Ag/AgCl Ag/AgCl
Gel/Refillable Refillable Refillable
Reference Junction Type Annular ceramic Annular ceramic
Refilling Reference Electrolyte 3M KCl solution 3M KCl solution
Shaft Dimensions 80 x 5 mm 150 x 8 mm
Cable Length 1 m 1 m
Temp Sensor No No
Connector BNC BNC
Ohaus STMICRO5 2 in 1 Glass Micro Sample pH Electrode, 80 x 5mm
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Ohaus STMICRO5 2 in 1 Glass Micro Sample pH Electrode, 80 x 5mm
more info
Price: $212.50
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2 in 1 Glass Micro Sample pH Electrode, 80 x 5mm

2-in-1 80mm length and 5mm diameter refillable pH electrode. Suitable for small samples, tubes, and narrow containers.

STMICRO5 STMICRO8
Shaft Material Glass Glass
Temp Range 0 to 100°C 0 to 100°C
Internal Reference Type Ag/AgCl Ag/AgCl
Gel/Refillable Refillable Refillable
Reference Junction Type Annular ceramic Annular ceramic
Refilling Reference Electrolyte 3M KCl solution 3M KCl solution
Shaft Dimensions 80 x 5 mm 150 x 8 mm
Cable Length 1 m 1 m
Temp Sensor No No
Connector BNC BNC
Ohaus STORP2 Refillable Glass ORP Electrode
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Ohaus STORP2 Refillable Glass ORP Electrode
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Price: $209.10
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Refillable Glass Electrode

Related to the overall availability of electrons in the media, specifically the ratio of positive and negative ions in the solution. Also called Redox electrode. ORP is the only practical method for electronically monitoring sanitizer effectiveness. ORP value is an important parameter of water and is a measurement to oxidize contaminants. Normal application areas are swimming pools, fish farming, and aquariums. ORP is expressed in millivolts (mV). A range of -1000mV to 1000mV is common with most ORP tests. The pH value influences the ORP value significantly. If the platinum band or disk is contaminated, the electrode should be cleaned, otherwise response time will slow or inaccurate measurements will be given.

STORP1 STORP2
Shaft Material Plastic Glass
Temp Range 0 to 80°C 0 to 100°C
Internal Reference Type Ag/AgCl Ag/AgCl
Gel/Refillable Non-Refillable
Gel
Refillable
Reference Junction Type Ceramic pin Annular ceramic
Refilling Reference Electrolyte 3M KCl solution 3M KCl solution
Shaft Dimensions 4-3/4" x 3/4 4-3/4" x 3/4"
Cable Length 3-1/4" 3-1/4"
Temp Sensor No No
Connector BNC BNC
Zero Potential Value 86mV±15mV 86mV±15mV
Grade Difference Greater than or equal to 165mV Greater than or equal to 165mV
Ohaus STORP1 Gel Plastic ORP Electrode
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Ohaus STORP1 Gel Plastic ORP Electrode
more info
Price: $78.20
In Stock
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Gel Plastic ORP Electrode

Related to the overall availability of electrons in the media, specifically the ratio of positive and negative ions in the solution. Also called Redox electrode. ORP is the only practical method for electronically monitoring sanitizer effectiveness. ORP value is an important parameter of water and is a measurement to oxidize contaminants. Normal application areas are swimming pools, fish farming, and aquariums. ORP is expressed in millivolts (mV). A range of -1000mV to 1000mV is common with most ORP tests. The pH value influences the ORP value significantly. If the platinum band or disk is contaminated, the electrode should be cleaned, otherwise response time will slow or inaccurate measurements will be given.

STORP1 STORP2
Shaft Material Plastic Glass
Temp Range 0 to 80°C 0 to 100°C
Internal Reference Type Ag/AgCl Ag/AgCl
Gel/Refillable Non-Refillable
Gel
Refillable
Reference Junction Type Ceramic pin Annular ceramic
Refilling Reference Electrolyte 3M KCl solution 3M KCl solution
Shaft Dimensions 4-3/4" x 3/4 4-3/4" x 3/4"
Cable Length 3-1/4" 3-1/4"
Temp Sensor No No
Connector BNC BNC
Zero Potential Value 86mV±15mV 86mV±15mV
Grade Difference Greater than or equal to 165mV Greater than or equal to 165mV
Ohaus STTEMP30 Temperature Electrode
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Ohaus STTEMP30 Temperature Electrode
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Price: $68.00
In Stock
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Ohaus STTEMP30 Temperature Electrode

Temperature variations can effect pH. However, at a certain pH (usually 7 pH), temperature will not have an effect on the potential of the system. This is known as the isopotential point. If automatic compensation is not practical, the magnitude of error equation can be used to determine error (0.003 pH/° C/pH unit from pH 7).

Note: The temperature compensation here refers to electrode-related temperature variation and not solution-related variations.

ST230 STPURE STEMP30
pH Range 0 to 14 pH 0 to 13 pH -
Temp Range 0 to 100°C 0 to 100°C 0 to 100°C
Shaft Material Glass Glass Stainless Steel
Internal Reference Type Ag/AgCl Ag/AgCl -
Gel/Refillable Refillable Refillable -
Reference Junction Type Annular ceramic Groundglass -
Refilling Reference Electrolyte 3M KCl solution 3M KCl solution -
Shaft Dimensions 4-5/16" x 3/4" 4-3/4" x 3/4" 4-3/4" x 3/4"
Cable Length 3-1/4" 3-1/4" 3-1/4"
Temp Sensor No No Yes
Temp Accuracy - - ±0.3°C
Temp Probe - - NTC 30k
Connector BNC Cinch BNC BNC Cinch
Ohaus STPURE 2 in 1 Glass Pure Water Sample pH Electrode
more info
Ohaus STPURE 2 in 1 Glass Pure Water Sample pH Electrode
more info
Price: $115.60
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2 in 1 Glass Pure Water Sample pH Electrode

This delicate measuring instrument requires proper care and maintenance to produce accurate and reliable results and to prolong useful life. Always keep the electrode moist when not in use for a period of time by using an electrode storage solution (3M KCl). DO NOT store the electrode in distilled or deionized water, as this will cause ions to leach out of the glass bulb and reference electrolyte, causing slow and sluggish response. Remove the electrode gently from the storage bottle and rinse it with distilled water before use. For long-term storage, always keep the electrode in the bottle filled with sufficient storage solution to cover the bulb. Replenish the bottle as needed.

Glass-body refillable pH electrode for pure water (distilled water, rain water, tap water, etc.). Use with all pH meters with BNC input connector..

ST230 STPURE STEMP30
pH Range 0 to 14 pH 0 to 13 pH -
Temp Range 0 to 100°C 0 to 100°C 0 to 100°C
Shaft Material Glass Glass Stainless Steel
Internal Reference Type Ag/AgCl Ag/AgCl -
Gel/Refillable Refillable Refillable -
Reference Junction Type Annular ceramic Groundglass -
Refilling Reference Electrolyte 3M KCl solution 3M KCl solution -
Shaft Dimensions 4-5/16" x 3/4" 4-3/4" x 3/4" 4-3/4" x 3/4"
Cable Length 3-1/4" 3-1/4" 3-1/4"
Temp Sensor No No Yes
Temp Accuracy - - ±0.3°C
Temp Probe - - NTC 30k
Connector BNC Cinch BNC BNC Cinch
Ohaus ST230 2 in 1 Glass Muddy Sample pH Electrode
more info
Ohaus ST230 2 in 1 Glass Muddy Sample pH Electrode
more info
Price: $103.70
In Stock
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2 in 1 Glass Muddy Sample pH Electrode

This delicate measuring instrument requires proper care and maintenance to produce accurate and reliable results and to prolong useful life. Always keep the electrode moist when not in use for a period of time by using an electrode storage solution (3M KCl). DO NOT store the electrode in distilled or deionized water, as this will cause ions to leach out of the glass bulb and reference electrolyte, causing slow and sluggish response. Remove the electrode gently from the storage bottle and rinse it with distilled water before use. For long-term storage, always keep the electrode in the bottle filled with sufficient storage solution to cover the bulb. Replenish the bottle as needed.

General purpose glass-body refillable pH electrode. Suitable for muddy samples such as juice, milk, etc. Use with all pH meters with BNC input connector.

ST230 STPURE STEMP30
pH Range 0 to 14 pH 0 to 13 pH -
Temp Range 0 to 100°C 0 to 100°C 0 to 100°C
Shaft Material Glass Glass Stainless Steel
Internal Reference Type Ag/AgCl Ag/AgCl -
Gel/Refillable Refillable Refillable -
Reference Junction Type Annular ceramic Groundglass -
Refilling Reference Electrolyte 3M KCl solution 3M KCl solution -
Shaft Dimensions 4-5/16" x 3/4" 4-3/4" x 3/4" 4-3/4" x 3/4"
Cable Length 3-1/4" 3-1/4" 3-1/4"
Temp Sensor No No Yes
Temp Accuracy - - ±0.3°C
Temp Probe - - NTC 30k
Connector BNC Cinch BNC BNC Cinch
Ohaus ST320 2 in 1 Plastic Gel pH Electrode (83033967)
more info
Ohaus ST320 2 in 1 Plastic Gel pH Electrode (83033967)
more info
Price: $119.00
In Stock
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2 in 1 ST320 Plastic Refillable pH Electrode

This delicate measuring instrument requires proper care and maintenance to produce accurate and reliable results and to prolong useful life. Always keep the electrode moist when not in use for a period of time by using an electrode storage solution (3M KCl). DO NOT store the electrode in distilled or deionized water, as this will cause ions to leach out of the glass bulb and reference electrolyte, causing slow and sluggish response. Remove the electrode gently from the storage bottle and rinse it with distilled water before use. For long-term storage, always keep the electrode in the bottle filled with sufficient storage solution to cover the bulb. Replenish the bottle as needed.

Suitable for normal samples. Use with OHAUS pH meters with BNC input connector and Cinch temperature connector.

ST310 ST210 ST320
pH Range 0 to 14 pH 0 to 14 pH 0 to 14 pH
Temp Range 0 to 80°C 0 to 80°C 0 to 80°C
Shaft Material Plastic Plastic Plastic
Internal Reference Type Ag/AgCl Ag/AgCl Ag/AgCl
Gel/Refillable Refillable Refillable Non-Refillable
Gel
Reference Junction Type Ceramic pin Ceramic pin Fiber pin
Refilling Reference Electrolyte 3M KCl solution 3M KCl solution 3M KCl gel
Shaft Dimensions 4-3/4" x 3/4" 4-3/4" x 3/4" 4-3/4" x 3/4"
Cable Length 3-1/4" 3-1/4" 3-1/4"
Temp Sensor Yes No Yes
Connector BNC Cinch BNC BNC
Ohaus ST210 2 in 1 Plastic Refillable pH Electrode
more info
Ohaus ST210 2 in 1 Plastic Refillable pH Electrode
more info
Price: $55.25
In Stock
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2 in 1 ST210 Plastic Refillable pH Electrode

This delicate measuring instrument requires proper care and maintenance to produce accurate and reliable results and to prolong useful life. Always keep the electrode moist when not in use for a period of time by using an electrode storage solution (3M KCl). DO NOT store the electrode in distilled or deionized water, as this will cause ions to leach out of the glass bulb and reference electrolyte, causing slow and sluggish response. Remove the electrode gently from the storage bottle and rinse it with distilled water before use. For long-term storage, always keep the electrode in the bottle filled with sufficient storage solution to cover the bulb. Replenish the bottle as needed.

Suitable for normal samples. Use with OHAUS pH meters with BNC input connector and Cinch temperature connector.

ST310 ST210 ST320
pH Range 0 to 14 pH 0 to 14 pH 0 to 14 pH
Temp Range 0 to 80°C 0 to 80°C 0 to 80°C
Shaft Material Plastic Plastic Plastic
Internal Reference Type Ag/AgCl Ag/AgCl Ag/AgCl
Gel/Refillable Refillable Refillable Non-Refillable
Gel
Reference Junction Type Ceramic pin Ceramic pin Fiber pin
Refilling Reference Electrolyte 3M KCl solution 3M KCl solution 3M KCl gel
Shaft Dimensions 4-3/4" x 3/4" 4-3/4" x 3/4" 4-3/4" x 3/4"
Cable Length 3-1/4" 3-1/4" 3-1/4"
Temp Sensor Yes No Yes
Connector BNC Cinch BNC BNC
Ohaus ST310 3 in 1 Plastic Refillable pH Electrode
more info
Ohaus ST310 3 in 1 Plastic Refillable pH Electrode
more info
Price: $119.00
In Stock
btn buy
3 in 1 ST310 Plastic Refillable pH Electrode

This delicate measuring instrument requires proper care and maintenance to produce accurate and reliable results and to prolong useful life. Always keep the electrode moist when not in use for a period of time by using an electrode storage solution (3M KCl). DO NOT store the electrode in distilled or deionized water, as this will cause ions to leach out of the glass bulb and reference electrolyte, causing slow and sluggish response. Remove the electrode gently from the storage bottle and rinse it with distilled water before use. For long-term storage, always keep the electrode in the bottle filled with sufficient storage solution to cover the bulb. Replenish the bottle as needed.

Suitable for normal samples. Use with OHAUS pH meters with BNC input connector and Cinch temperature connector.

ST310 ST210 ST320
pH Range 0 to 14 pH 0 to 14 pH 0 to 14 pH
Temp Range 0 to 80°C 0 to 80°C 0 to 80°C
Shaft Material Plastic Plastic Plastic
Internal Reference Type Ag/AgCl Ag/AgCl Ag/AgCl
Gel/Refillable Refillable Refillable Non-Refillable
Gel
Reference Junction Type Ceramic pin Ceramic pin Fiber pin
Refilling Reference Electrolyte 3M KCl solution 3M KCl solution 3M KCl gel
Shaft Dimensions 4-3/4" x 3/4" 4-3/4" x 3/4" 4-3/4" x 3/4"
Cable Length 3-1/4" 3-1/4" 3-1/4"
Temp Sensor Yes No Yes
Connector BNC Cinch BNC BNC
Ohaus STSURF 2 in 1 Plastic Flat pH Electrode
more info
Ohaus STSURF 2 in 1 Plastic Flat pH Electrode
more info
Price: $135.15
In Stock
btn buy
Ohaus STSURF 2 in 1 Plastic Flat pH Electrode

2-in-1 refillable pH electrode. Suitable for flat surface applications, such as skin, paper etc..

STSURF
Shaft Material Plastic
pH Range 2 to 12pH
Temp Range 0 to 80 ºC
Internal Reference Type Ag/AgCl
Gel/Refillable Refillable
Reference Junction Type Ground glass
Refilling Reference Electrolyte 3M KCl solution
Shaft Dimensions 120 x 12 mm
Cable Length 1 m
Temp Sensor No
Connector BNC

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