Refrigerated Circulators with Advanced Digital Temperature Controller

Working Temperature: From -40° up to +200°C
Temperature Stability: ±0.01°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
  • Intuitive 3.75” (9.5 cm) display with touch-pad control
  • 4 languages: French, German, Spanish, English
  • Swivel 180™ Rotating Controller
  • On-board connectivity: USB-A & B, Ethernet, RS-232/RS-485, and external temperature probe
  • On-screen prompts
  • Automatic performance optimization and specific heat tuning
  • Single-point calibration capability

The Advanced Digital Temperature Controller displays and controls bath temperatures with ±0.01°C precision and stability. Plus you can further optimize performance through a variety of control settings including pump speed, specific heat value, calibration offset and internal or external temperature control.


Bi-directional RS-232, addressable RS-485 and Ethernet communications provide fast and versatile remote control and data logging. USB-A and USB-B enable you to log data directly to a flash drive or computer.


On-screen prompts and 4 languages (English, Spanish, French and German) take the guesswork out of setup and operation. Adjusting the temperature set-point, pump speed or other operational settings is simple, straightforward and intuitive. In addition, the Advanced Digital Temperature Controller features a message bar that assists in making changes and provides alerts and safety information.


The Advanced Digital Temperature Controller delivers exceptional safety for a wide variety of laboratory applications. Standard safety features include redundant over-temperature protection, low-liquid level float switch, user-settable over-temperature safety and high and low temperature limits.

Capacity 7 Liter Low-Profile 7 Liter 7 Liter 15 Liter 15 Liter
Working Temperature Range -20°C to +200°C -20°C to +200°C -40°C to +200°C -30°C to +200°C -40°C to +200°C
Nominal Cooling Capacity@20°C 200W 200W 360W 915W 1000W
Heater Wattage 1100W(60Hz)/2200W(50Hz)
60Hz Part Number AD7LR-20-A11B AD07R-20-A11B AD07R-40-A11B AD15R-30-A11B AD15R-40-A11B
50Hz Part Number AD7LR-20-A12E AD07R-20-A12E AD07R-40-A12E AD15R-30-A12E AD15R-40-A12E
Capacity 20 Liter 28 Liter 45Liter
Working Temperature Range -30°C to +200°C  -30°C to +200°C -25°C to +135°C
Nominal Cooling Capacity@20°C 915W  915W 1400W
Heater Wattage 1100W(60Hz)/2200W(50Hz) 2200W(50/60Hz)
60Hz Part Number AD20R-30-A11B AD28R-30-A11B AD45R-20-A13D
50Hz Part Number AD20R-30-A12E AD28R-30-A12E AD45R-20-A12E

Electrical plugs for the part numbers listed are Standard U.S. and European types. Country specific plug types available. 45 liter bath is 208-240 VAC, 50/60 Hz