Compressor Calorimeter

Designated for the commercial and vehicle HVAC compressor testing industry.  Two-2 available performance options including durability or calorimetry.  Critical generated data includes accurate measurement of capacity, power input, as well as various measured and calculated performance values.  System can be designed to perform within the prescribed operating ranges of R-134A, R-1234yf,  R-404A, R-410A, R-744A and R-22.  Other refrigerant designations can also be considered.


  • Secondary brine loop for isolation and control of discharge pressure
  • NIST traceable calibration for all DAS sensors, multiple axis curve plotting of compressor performance
  • User configurable durability testing profiles
  • Oil in circulation rate is controllable and repeatable
  • Compressor discharge pressure
  • Compressor suction pressure
  • Compressor suction temperature
  • Compressor motor supply voltage
  • TXV inlet sub-cooling
  • Evaporator power input
  • Compressor area air temperature
  • Secondary refrigerant evaporator with ASME pressure rated vessel
  • Unitized construction with enclosed equipment section and easy maintenance access


Capacity: 3 to 170+ Ton
Discharge Pressure Range: Variable – Based on application
Suction Pressure Range: Variable – Based on application
Suction Temperature Range: Variable Based on application
Refrigerant Flow: Coriolis
Temperature: RTD
Evaporator Loading: 39,000 to 2,000,000+ BTUH
Air Temperature: -20 to 250 F
Air Humidity: 20 to 95% RH

Single Phase Voltage: 100 to 275 VAC

Single Phase Current: 20 to 150 A – Typical
Three Phase Voltage: 160 to 660 VAC – Typical
Three Phase Current: 15 to 210 A – Typical
Primary Frequency: Line Frequency (50 or 60 Hz)
Secondary Frequency: 50 or 60 Hz
Control: Fully automatic, PLC driven
Control Interface: LabVIEW® software with PC interface