Chillers and Coolers

PolyScience Chillers and Coolers have proven, over several decades and hundreds of thousands of installations, that they are the most reliable in the industry — and an exceptionally smart choice for end-user and OEM applications ranging from lasers and analytical equipment to reactors and manufacturing equipment.

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Benchtop Chillers -
MM Series -5° to +50°C

Key Specifications

Working Temperature: -5° to +50°C 
Temperature Stability: ±0.1°C 
Cooling Capacity: Up to 460 watts @ 20°C


  • Precise and stable temperature control at low temperatures
  • Large, easy to read LED display
  • Space-saving, benchtop design
  • Cooling at ambient temperatures as high as 30°C
  • Low flow shutoff and alarm, high and low temperature alarms
  • Simple setup, operation, and maintenance
  • Choice of two different centrifugal pumps
  • Fluid level indicator
  • RS232 communication and external water filter optional

Performance Specifications & Part Numbers

MM Series Chiller, Centrifugal Pump MM Series Chiller, Centrifugal Pump
Working Temperature Range -5° to 50° C -5° to 50° C
Temperature Stability ±0.1° C ±0.1° C
Pump Type
Cooling Capacity @ -05°C 115 W (60Hz)/105 W (50Hz) 130 W (60Hz)/115 W (50Hz)
Cooling Capacity @ 0°C 195 W (60Hz)/175 W (50Hz) 215 W (60Hz)/190 W (50Hz)
Cooling Capacity @ +10°C 305 W (60Hz)/270 W (50Hz) 320 W (60Hz)/290 W (50Hz)
Cooling Capacity @ +20°C 435 W (60Hz)/390 W (50Hz) 460 W (60Hz)/410 W (50Hz)
Cooling Capacity @ +30°C 465 W (60Hz)/420 W (50Hz) 490 W (60Hz)/440 W (50Hz)
Cooling Capacity @ +40°C 505 W (60Hz)/450 W (50Hz) 520 W (60Hz)/470 W (50Hz)
Cooling Capacity @ +50°C 535 W (60Hz)/480 W (50Hz) 550 W (60Hz)/495 W (50Hz)
Maximum Pressure 14.50 psi (60Hz)/12.50 psi (50Hz) 5.10 psi (60Hz)/4.40 psi (50Hz)
Maximum Pressure Flow Rate 3.50 gpm (60Hz)/3.00 gpm (50Hz) 2.10 gpm (60Hz)/1.80 gpm (50Hz)
60Hz Part Number
50Hz Part Number