Refrigerated/Heated Circulating Baths
Known for ease of use and useful innovation, our Circulating Baths set the standard for design, performance and value. Capable of reaching temperatures as low as -20°C, PolyScience Refrigerated/Heated Circulating Baths provide dependable temperature control for a wide variety of laboratory cooling applications and uphold our reputation for innovation, product quality and refrigeration expertise.
To learn more about our Refrigerated/Heated Circulating Baths, download our free information guide here!


Refrigerated Circulators with
Advanced Programmable Temperature Controller
Key Specifications
Working Temperature: From -40° up to +200°C
Temperature Stability: ±0.005°C
Safety Rating: DIN 12876-1 Class III (for use with flammable liquids)
External Temperature Control Capability: Yes
Pump: Variable-speed
External Circulation: Open- or 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
- OpenMode time time/temperature programming (no restrictions on number of programs or steps)
- Intuitive 4.3” (10.9 cm) SmartTouch display
- 11 languages: French, German, Spanish, Chinese, Portuguese, Russian, Hindi, Arabic, Italian, Korean, English
- Variable speed pump with open- and closed-loop external circulation capability
- Swivel 180™ Rotating Controller
- On-board connectivity: USB-A & B, Ethernet, RS-232/RS-485, remote on/off and external temperature probe
- Event scheduling (time & date) with real-time clock
- Review temperature trends for up to 10 days
- Multiple selectable “home” screens
- On-screen help
- Automatic and/or user-adjustable performance optimization
- 10-point calibration capability
- Includes Enhanced Performance Hardware & Software Package (Pt100 temperature probe, USB flash drive for data logging, stainless steel fittings and tubing adapters, PolyScience LabVIEW Virtual Instrument, iPhone application download)
Performance Specifications & Part Numbers
7 Liter Refrigerated Circulator, -20°C | 7 Liter Low Profile Refrigerated Circulator, -20°C | 7 Liter Refrigerated Circulator, -40°C | 15 Liter Refrigerated Circulator, -40°C | 15 Liter Refrigerated Circulator, -30°C | 20 Liter Refrigerated Circulator, -30°C | 28 Liter Refrigerated Circulator, -30°C | 45 Liter Refrigerated Circulator, -25°C | |
---|---|---|---|---|---|---|---|---|
Working Temperature Range | -20° to 200° C | -20° to 200° C | -40° to 200° C | -40° to 200° C | -30° to 200° C | -30° to 200° C | -30° to 200° C | -25° to 135° C |
Nominal Cooling Capacity @ +20C (W) |
200 |
200 |
360 |
1000 |
915 |
915 |
915 |
1400 |
Heater Wattage |
1100 W (60Hz) 2200 W (50Hz) |
1100 W (60Hz) 2200 W (50Hz) |
1100 W (60Hz) 2200 W (50Hz) |
1100 W (60Hz) 2200 W (50Hz) |
1100 W (60Hz) 2200 W (50Hz) |
1100 W (60Hz) 2200 W (50Hz) |
1100 W (60Hz) 2200 W (50Hz) |
2200 W (60Hz) 2200 W (50Hz) |
60Hz Part Number |
AP07R-20-A11B |
AP7LR-20-A11B |
AP07R-40-A11B |
AP15R-40-A11B |
AP15R-30-A11B |
AP20R-30-A11B |
AP28R-30-A11B |
AP45R-20-A13D |
50Hz Part Number | AP07R-20-A12E | AP7LR-20-A12E | AP07R-40-A12E | AP15R-40-A12E | AP15R-30-A12E | AP20R-30-A12E | AP28R-30-A12E | AP45R-20-A12E |
45 liter bath is 208-240 VAC, 50/60 Hz |