PolyScience 7 Liter SD Refrigerated Circulator (-20°C/170°C)
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Manufacturer: Polyscience

Polyscience 7 Liter Standard Digital Refrigerated Circulator (-20°C/170°C)

SKU: SD07R-20-A11B

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Polyscience 7 Liter Standard Digital Refrigerated Circulator (-20°C/170°C)

***Note: This item has a possible 2-3 week lead time depending on stock availability.***



Description -20, 7 L Ref. Circulator
Controller Type Standard Digital
Display 3.75" Touch-Pad LCD
Connectivity RS232
Swivel 180 Rotating Controller Yes
Working Temperature Range °C -20° to 170°
Temperature Stability °C ±0.04°
Fluid Optimization/Specific Heat Tuning Automatic
Temperature Calibration Capability 1-point
Working Access (L x W x D) (cm) 15.7 x 14.2 x 12.7 cm
Pump Type Pressure
Flammability Class (DIN 12876-1) I (NFL)
Working Temperature Range °F -4° to 338°
Working Temperature Range °C -20° to 170°
Nominal Cooling Capacity @ +20C (W) 200
Reservoir Capacity (gallons) 1.85
Reservoir Capacity (liters) 7
Reservoir/Tank Material Stainless Steel
Reservoir Cover Included
DuraTop Yes
LidDock Yes
Cleanable Air Filter Yes
Reservoir Liquid Level Indicator Yes
Working Access (L x W x D) (inches) 6.18 x 5.59 x 5 in
Working Access (L x W x D) (cm) 15.7 x 14.2 x 12.7 cm
Temperature Stability °F ±0.08°
Temperature Stability °C ±0.04°
Display 3.75" Touch-Pad LCD
Display Resolution (Set) 0.1
Display Resolution (Read) 0.1
Pump Type Pressure
Pump Speed Two
Process Connections 1/4" (F) NPT
Flammability Class (DIN 12876-1) I (NFL)
Over-Temperature Protection / Failsafe Heater Control Yes
Low Liquid Level Protection Yes
Reservoir Drain Yes
Maximum Ambient Temperature °F 95°
Maximum Ambient Temperature °C 35°
Overall Dimensions (L x W x H) (inches) 21.3 x 8.7 x 24.3 in
Overall Dimensions (L x W x H) (cm) 54.1 x 22.1 x 61.7 cm
Refrigerant R134a
Environmental Compliance RoHS, WEEE
Shipping Weight (pounds) 90.0
Shipping Weight (kilograms) 40.8
Catalog Page Number 42-43
60 Hz Only
Part Number SD07R-20-A11B
Maximum Pressure (psi) 3.5
Maximum Pressure (bar) 0.24
Maximum Pressure Flow Rate (gpm) 2.90
Maximum Pressure Flow Rate (l/min) 11.0
Cooling Capacity @ -20°C (W) 30
Cooling Capacity @ 0°C (W) 120
Cooling Capacity @ +20°C (W) 200
Cooling Capacity @ +100°C (W) 200
Included Hardware Nylon hose adapters for 3/8", 1/4", and 3/16"
Heater Wattage 1100
Electrical Requirements (VAC/Hz/Ph/A) 120/60/1/12
Regulatory Approvals ETL



Key Features:

  • Large, universal icon and English display
  • Swivel 180™ Rotating Controller
  • On-board connectivity: RS-232 serial output
  • On-screen prompts
  • Automatic performance optimization
  • Single-point calibration capability
  • Operator's Manual