The newest line of Radwag Mass Comparators allows for calibration of mass standards and weights according to the recommendations of OIML (R-111) from 1mg to 50kg for E1 class and lower from 500kg to 1000kg for class M1 and lower. The line comprises 6 types (13 models) each with 5,7 colour touch screen with new intuitive menu.
The comparators are used both for ensuring traceability of mass measurements, and verification of weights in accordance with legal metrology. RADWAG Mass Comparators have gained recognition among Accredited Calibration Laboratories, in many countries.
Mass comparators series WPY/KO consists of two components. One of them holds the electronic module, and the other precise multi-sensor measuring system.
The weighing pan made of steel is equipped with centering rings enabling precise placement of the weights. The comparator features intuitive and user friendly menu .
Computer Aided Process of Calibration
Specially designed software enables management of calibration procedures. The Program is responsible for all stages of calibration processes in a laboratory from the moment of order confirmation up to the final issuing of calibration certificate.
After receiving an order, filling all the necessary data of calibrated instruments and assigning an operator, the program prepares mass comparators. Operators use touch panel to communicate with the program and to send all the results of measurements from mass comparators used in that procedure.
2. Additionally program registers ambient conditions in the laboratory and if they are exceeded, it can block measuring instruments.
Program has a built-in database of contractors, operators, used standard masses and mass comparators. It also registers incoming orders and issued calibration certificates. In the archive files the program stores all calibration protocols, orders, calibration certificates with the parameters of ambient conditions.
Program controls metrological validity of all standard masses used in a laboratory. It performs calibrations according to ABBA or ABA cycles that are defined in the order.
Infrared proximity sensors
Optional functions:
- PRINT function
- TARE function
- Sensor's sensitivity adjustment
Interface communication
- Ethernet
- RS 232
- 2×USB
- Additional display
Data exchange through
USB storage devices
- Software update
- Exporting weighing data
- Exporting / importing databases
- Exporting / importing balance settings
- Exchanging data between balances
 Technical data:  WAY 1/KO WAY 10/KO
 Max capacity  510 kg  1100 kg
 Range of electromagnetic compensation  at the whole range
 Readability  5 g  10 g
 Repeatability*  5 g  10 g
 Linearity  15 g  30 g
 Pan size  1100×1270 mm  
 Stabilization time  10 s
 Calibration range  M1: 500 kg
 M2: 200 - 500 kg
 M3: 100 - 500 kg
 M1: 1000 kg
 M2: 500 - 1000 kg
 M3: 100 - 1000 kg
 Operating temperature  -10 - +40°C
 Maximal temperature changes  5ºC / 22 h
 Relative humidity  max 85 % (+40°C)
 Supply  110-230 V AC / 10,5-15 V DC
 Adjustment / Calibration  external
 Display  5,7'' touch panel
 Interface  2×USB, 2×RS 232, Ethernet, 2 di / 2 do
 Net weight / Gross weight  200 / 200 kg
 Packing dimensions  1166×1347×190 mm
Repeatability is expressed as a standard deviation of six ABBA cycles ( according to R111 OIM) in stable laboratory conditions.
 Kafka thermal printer
 PC keyboard
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