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.

Benchtop Chillers -
LS Series -20° to +40°C

Key Specifications

Working Temperature: -20° to +40°C 
Temperature Stability: ±0.1°C 
Cooling Capacity: Up to 1290 watts @ 20°C


  • Optimized for high performance at low temperatures
  • Capable of cooling multiple rotary evaporators
  • WhisperCool® Environmental Control System
  • Large, easy to read LED display
  • Space-saving 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
  • Centrifugal or turbine pump
  • Fluid level indicator
  • RS232 communication and external water filter optional

Performance Specifications & Part Numbers

LS Series Chiller, Turbine Pump LS Series Chiller, Centrifugal Pump LS Series Chiller, Centrifugal Pump
Working Temperature Range -20° to 40° C -20° to 40° C -20° to 40° C
Temperature Stability ±0.1° C ±0.1° C ±0.1° C
Pump Type
Cooling Capacity @ -20°C 150 W (60Hz)]/140 W (50Hz) 230 W (60Hz)]/230 W (50Hz) 260 W (60Hz)]/240 W (50Hz)
Cooling Capacity @ -10°C 345 W (60Hz)/330 W (50Hz) 435 W (60Hz)/435 W (50Hz) 475 W (60Hz)/460 W (50Hz)
Cooling Capacity @ 0°C 540 W (60Hz)/500 W (50Hz) 680 W (60Hz)/680 W (50Hz) 750 W (60Hz)/700 W (50Hz)
Cooling Capacity @ +10°C 790 W (60Hz)/750 W (50Hz) 1030 W (60Hz)/1030 W (50Hz) 1130 W (60Hz)/1070 W (50Hz)
Cooling Capacity @ +20°C 900 W (60Hz)/830 W (50Hz) 1160 W (60Hz)/1160 W (50Hz) 1290 W (60Hz)/1190 W (50Hz)
Cooling Capacity @ +30°C 1020 W (60Hz)/990 W (50Hz) 1380 W (60Hz)/1380 W (50Hz) 1460 W (60Hz)/1420 W (50Hz)
Cooling Capacity @ +40°C 1140 W (60Hz)/1105 W (50Hz) 1550 W (60Hz)/1545 W (50Hz) 1610 W (60Hz)/1580 W (50Hz)
Maximum Pressure 43.40 psi (60Hz)/32.00 psi (50Hz) 9.00 psi (60Hz)/5.50 psi (50Hz) 14.50 psi (60Hz)/10.50 psi (50Hz)
Maximum Pressure Flow Rate 2.60 gpm (60Hz)/2.20 gpm (50Hz) 3.90 gpm (60Hz)/3.40 gpm (50Hz) 3.50 gpm (60Hz)/3.10 gpm (50Hz)
60Hz Part Number
50Hz Part Number