R134a freon-operated Test bench MS111 is intended to test AC compressors of wide range of cars. The equipment detects failures of a car unit before its mounting in a car, whether it is a remanufactured, repaired unit or a used one.

In the process of testing, data is shown on LCD display. It gives an opportunity to follow testing results realtime, save and/or print them due to software special features.

Unit fixation mechanism is universal: a compressor can be easily fixed, no matter what kind of fittings it has. Units with electromagnetic clutch or electromagnetic valve can be tested both separately and simultaneously. Peculiar features of electric commutation are considered, connection polarity is identified automatically, indicator on the control panel indicates on presence of a diode in a circuit.


  • simulates real operation in a car
  • tests AC compressors before and after their renovation
  • fixes temperature generated by the compressor
  • detects mechanical (knock, vibration) and visual failures (supply and suction pressure)
  • electromagnetic valve control from 0% to 100%
  • control of load on a tested unit
  • drive rotation reverse
  • filter replacement signal indicator
  • condenser fan control
  • HP pressure setting for testing of a unit

Price by request

Supply voltage, V380
Drive power, kW5,5
Drive rotation, rpm0-3000
Quantity of refrigerant in the system, g1100-1400
Refrigerant filtrationYes, 1micron*2
Dimensions, W×D×H, mm900*550*1250
Weight, kg190
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