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PolyScience LS51M11A110C Recirculating Chiller, -20° to 40°, 680W

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PolyScience LS51M11A110C Recirculating Chiller

PolyScience LS series chillers provide a powerful space-saving solution capable of cooling two rotary evaporators at once. The LS51M11A110C recirculating chiller features a centrifugal pump with a flow rate up to 14.8 liters per minute and a digital PID temperature control with setting ranging from -20 to 40°C.

LS series recirculating chillers are user friendly providing easy setup, maintenance and operating. The large LED display is highly visible in most lighting conditions. These chillers include a fluid level indicator, cleanable air filters, WhisperCool Environmental Control system and safety features that alert operators to low or high temperatures and flow rates.


    • Digital PID temperature control
    • Temperature settings from –20 to 40
    • Cleanable easy-access air filter ensures peak efficiency
    • Optimized for high performance at low temperatures
    • Powerful enough to cool multiple rotary evaporators simultaneously
    • WhisperCool Environmental Control system
    • Low-flow safety shutoff and alarm
    • High and low temperature alarms
    • Large easy-to-read LED display
    • Space-saving design
    • Simple to setup, maintain and operate
    • Centrifugal pump
    • Fluid level indicator
    • Optional RS232 communication and external water filter
    • Flow rates up to 3.90 GPM (14.8 L/min)
    • 1/2" NPT (F) inlet and outlet connections
    • Perfect for use in laboratory and industrial applications


Working Temperature Range -4° to 104°F / -20° to 40°C
Reservoir Capacity 0.7 gallons / 2.65 liters
Reservoir Cover Screw-on cap
Cleanable Air Filter Yes
Temperature Stability ±0.2°F / ±0.1°C
Display Type LED
Pump Type Centrifugal
Pump Speed Constant, Single Speed
Connections 1/2" (F) NPT
Over-Temperature Protection Yes
Reservoir Level Indicator Yes
WhisperCool Environmental Control Technology Yes
Cool Command Refrigeration Technology Yes
Reservoir Drain Yes
Maximum Ambient Temperature 95°F / 35°C
Compressor Size (HP) 1/2
Refrigerant R404A
Maximum Pressure 9 psi / 0.62 bar
Maximum Pressure Flow Rate 3.90 gpm / 14.8 l/min
Cooling Capacity, -20°C (W) 230
Cooling Capacity, -10°C (W) 435
Cooling Capacity, -5°C (W) 510
Cooling Capacity, 0°C (W) 680
Cooling Capacity, +10°C (W) 1030
Cooling Capacity, +20°C (W) 1160
Cooling Capacity, +30°C (W) 1380
Cooling Capacity, +40°C (W) 1550
Hardware Included Two sets Inlet/Outlet adapters, 1/2 inch male NPT, 5/8 inch male NPT
Regulatory Approvals TUV
Overall Dimensions 23.9 x 10 x 19 inches / 60.7 x 25.4 x 48.3 cm
Ship Weight 102 lbs / 46.3 kg
Power 120 VAC, 60Hz
Order Information PolyScience LS51M11A110C

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