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RADWAG AK-4 Automatic Mass Comparators RADWAG Balances and Scales
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Automatic mass comparator AK-4 series is intended to automatic determination of weights mass deviations with operator’s activity limited to the minimum. The comparator enables determining deviations of three tested weights in a single cycle. . The instrument is commonly applicable in mass measuring laboratories, and particularly in certification units for weights classes E1 and M1. depending on the model
RADWAG AK-4 Automatic Mass Comparators
RADWAG AK-4 Automatic Mass Comparators

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Specifications Chart

Automatic mass comparatorAK-4AK series is intended to automatic determination of weights mass deviations with operator’s activity limited to the minimum. The comparator enables determining deviations of three tested weights in a single cycle. . The instrument is commonly applicable in mass measuring laboratories, and particularly in certification units for weights classes E1 and M1. depending on the model

The supervising part of the mass comparator is a digital module which cooperates with a controller of instrument’s mechanical components. The digital module and the automatic loader are located in mass comparator’s weighing chamber. The instrument is operated by means of digital display which is plugged to mass comparator’s controller. The supervising elements are not integrated with mass comparator’s mechanical parts, thus enabling separation of instrument’s weighing chamber from ambient conditions influence.

Features
  • Effective and Excellent Measurement The AK-4 automatic mass comparator enables determining mass deviations of weights with the minimum possible operator participation. The comparator allows to compare weights of class E1 and lower of mass ranging between 10 g and 10 kg.
  • Comparison of Mass Standard Sets There are two versions of the mass comparator: 4-position for 1 reference weight and 3 test weights, and 2-position for reference weight being a combination of mass value of 3 separate weights.
  • Excellent Measurement Repeatability AK-4 automatic mass comparator, due to the elimination of the human factor, temperature changes and air drafts, guarantees excellent measurement repeatability when compared to manual mass comparator.
  • Design and Functionality An element that controls mass comparator operation is a digital management module, which is placed inside comparator’s chamber along with an automatic mass standard feeder. Mass comparator is operated by means of indicator connected to the comparator controller. Control elements are not mechanically integrated with the construction thanks to what the influence of ambient conditions on mass comparator chamber is significantly reduced.
  • Dedicated Software Specially designed RMCS computer software enables comprehensive realisation of calibration procedures in laboratory. The system manages the whole calibration process, starting from the moment the order is placed, through procedure performance, to the moment of issuing the calibration certificate.
Functions
  • Mass comparator
  • Ambient conditions measurement
  • Proximity sensors
  • Replaceable units
  • Multilingual menu
Model AK-4/100 AK-4/1000 AK-4/1001 AK-4/2000 AK-4/5000 AK-4/5000.1 AK-4/10000
Price RADWAG AK-4/100 Automatic Mass Comparator 110 g x 0.001 mg
$25,065.04
RADWAG AK-4/1000 Automatic Mass Comparator 1020 g x 0.005 mg
$25,065.04
RADWAG AK-4/1001 Automatic Mass Comparator 1020 g x 0.001 mg
$62,809.12
RADWAG AK-4/2000 Automatic Mass Comparator 2020 g x 0.01 mg
$23,564.64
RADWAG AK-4/5000 Automatic Mass Comparator 5050 g x 0.01 mg
$25,064.16
RADWAG AK-4/5000.1 Automatic Mass Comparator 5050 g x 0.1 mg
$17,418.72
RADWAG AK-4/10000 Automatic Mass Comparator 10.02 kg x 0.01 mg
$74,801.76
Capacity x Readability 110 g x 0.001 mg 1020 g x 0.005 mg 1020 g x 0.001 mg 2020 g x 0.01 mg 5050 g x 0.01 mg 5050 g x 0.1 mg 10020 g x 0.01 mg
Repeatability absolute * 3μ (100 g) 20μ (1000 g) 3μ (1000 g) 25μ (2000 g) 30μ (5000 g) 150μ (5000 g) 40μ (10000 g)
Repeatability nominal load * 3μ (100 g) 20μ (1000 g) 2μ (1000 g) 15μ (2000 g) 20μ (5000 g) 100μ (5000 g) 25μ (10000 g)
Repeatability low load * 1.5μ (10 g) 8μ (100 g) 1,5μ (100 g) 12μ (200 g) 15μ (1000 g) 80μ (1000 g) 15μ (1000 g)
Repeatability typical * 1.7μ (100 g) 10μ (1000 g) 1,7μ (1000 g) 12μ (2000 g) 15μ (5000 g) 80μ (5000 g) 20μ (10000 g)
Stabilization time 30 s
Adjustment external
Electric compensation range – 1 g ÷ 10 g – 10 g ÷ 20 g –1 g ÷ 10 g – 10 g ÷ 50 g – 10 g ÷ 50 g – 10 g ÷ 50 g – 10 g ÷ 50 g
Internal supplementary weights semi-automatic
Eccentricity (for test weight) 0 mg
Magazine positions 4 positions
OIML calibration range E1 10 g ÷ 100 g 100 g ÷ 1 kg 100 g ÷ 1 kg 200 g ÷ 2 kg 1 kg ÷ 5 kg 1 kg ÷ 5 kg 1 kg ÷ 10 kg
OIML calibration range E2 10 g ÷ 100 g 100 g ÷ 1 kg 100 g ÷ 1 kg 200 g ÷ 2 kg 1 kg ÷ 5 kg 1 kg ÷ 5 kg 1 kg ÷ 10 kg
OIML calibration range F1 10 g ÷ 100 g 100 g ÷ 1 kg 100 g ÷ 1 kg 200 g ÷ 2 kg 1 kg ÷ 5 kg 1 kg ÷ 5 kg 1 kg ÷ 10 kg
OIML calibration range F2 10 g ÷ 100 g 100 g ÷ 1 kg 100 g ÷ 1 kg 200 g ÷ 2 kg 1 kg ÷ 5 kg 1 kg ÷ 5 kg 1 kg ÷ 10 kg
OIML calibration range M1 - - - - - - -
OIML calibration range M2 - - - - - - -
Display 5.7" color resistive touch screen
Keypad 8 keys
Ingress protection - indicator IP 43
Touch-free operation 2 programmable sensors
USB-A 2
Ethernet 10 / 100 Mbit
RS-232 2
Wi-Fi 802.11 b/g/n
IN/OUT 4 x IN, 4 x OUT
RS-232 2
Power supply 110 ÷ 230 V AC / 50 ÷ 60 Hz
Operating temperature +15 ÷ +30 °C
Operating temperature change rate ± 0.5 °C / 12 h (± 0.3 °C / 4 h)
Relative humidity variations ± 2% / 4 h
Relative humidity*** 40 ÷ 60%
Transport and storage temperature –20 ÷ +50 °C
Weighing pan dimensions ø 24 mm ø 50 mm ø 50 mm ø 75 mm ø 75 mm ø 75 mm ø 100 mm
Mass comparator dimensions** 625 x 390 x 280 mm 670 x 395 x 353 mm 930 x 800 x 535 mm
Indicator dimensions** 206 x 140 x 71 mm
Anti-draft chamber dimensions** 665 x 560 x 340 mm 700 x 660 x 470 mm 930 x 800 x 535 mm
Mass comparator net weight 55 kg 36 kg 36 kg 44 kg 46 kg 46 kg 157 kg
Mass comparator gross weight 45 kg 46 kg 46 kg 58.5 kg 60.5 kg 60.5 kg 183 kg
Anti-draft chamber net weight 15.8 kg 15.8 kg 15.8 kg 24 kg 24 kg 24 kg 26 kg
Anti-draft chamber gross weight 25.8 kg 25.8 kg 25.8 kg 36.5 kg 36.5 kg 36.5 kg 41 kg
Mass comparator packaging dimensions** 870 x 800 x 560 mm 1000 x 900 x 670 mm 1200 x 800 x 1250 mm
Anti-draft chamber packaging 950 x 830 x 630 mm 990 x 930 x 760 mm 1100 x 800 x 1150 mm
* repeatability is expressed as a standard deviation determined for 6 ABBA cycles
** dimensions: length x width x depth
*** non-condensing conditions
Wi-Fi ® is a registered trademark of Wi-Fi Alliance.
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