Compact 7 L stainless-steel refrigerated circulator with touch-pad LCD, ±0.04 °C stability across −20 °C to 170 °C, dual-speed pump, RS‑232 connectivity, and rear drain—ideal for tight benchtop labs and chilled sample prep.
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The PolyScience SD07R‑20‑A12E delivers precision, reliability, and space efficiency in a compact 7 L refrigerated circulator. It maintains ±0.04 °C stability across a −20 °C to 170 °C range, managed via a responsive 3.75″ touch-pad LCD and swivel controller.
Equipped with a dual-speed pressure pump (~10–11 L/min) and RS‑232 port, it supports closed circulation loops. The durable stainless-steel tank includes a reservoir cover, DuraTop™ deck, LidDock™, and rear drain valve. A whisper-quiet R134a cooling system delivers ~200 W @ 20 °C. Safety features include low-liquid and over-temperature shutdown. Compact and bench-friendly, it fits well under limited space.
Key Features
Specifications Table
| Feature | Specification |
|---|---|
| Volume | 7 L (1.85 gal) stainless steel tank |
| Temperature Range | −20 °C to 170 °C |
| Stability | ±0.04 °C |
| Pump Flow | 10–11 L/min |
| Cooling Capacity | 200 W @ 20 °C (Nominal) |
| Controller | 3.75″ touch-pad LCD + swivel |
| Connectivity | RS‑232 |
| Display Resolution | 0.1 °C |
| Safety Features | Low-liquid & over-temp shutdown |
| Cooling Refrigerant | R134a |
| Dimensions (L×W×H) | 54 × 22 × 62 cm (21.3 × 8.7 × 24.3 in) |
| Weight | ~41 kg (90 lb) |
