Description
7 Liter Low Profile SD Refrigerated Circulator, -20°C
Code: SD7LR-20-A12E
Brand: Polyscience – USA
Refrigerated Circulators with
Standard Digital Temperature Controller
Key Specifications
- Working Temperature: From -20° up to +170°C
- Temperature Stability: ±0.04°C
- Safety Rating: DIN 12876-1 Class I (for use with non-flammable liquids)
- Pump: 2-speed
- External Circulation: Closed-loop
- LidDock™ self-stowing reservoir cover
- DuraTop™ insulating, chemical-resistant top deck
- WhisperCool® Environmental Control System
- Cool Command™ modulated refrigeration system
- Reservoir drain
- Washable air filter
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
Key Specifications
| Description | -20, 7 L Low 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)
|
Common Specifications
| 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
|
| 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) |
23.2 x 16.2 x 16.2 in
|
| Overall Dimensions (L x W x H) (cm) |
58.9 x 41.1 x 41.1 cm
|
| Refrigerant |
R134a
|
| Environmental Compliance | RoHS, WEEE |
| Shipping Weight (pounds) |
90.0
|
| Shipping Weight (kilograms) |
40.8
|
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