Digital Chilling/Heating Dry Baths

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Chill and heat biological samples from -20°C to 110°C (without sample block) with precise control, even at ambient temperature, in your lab or in the field on a compact, versatile and inexpensive electronic chilling/heating dry bath.

Visit ACCESSORIES to choose sample blocks.


Data Sheet


These completely solid-state Digital Chilling/Heating Dry Baths are Peltier driven for both heating and chilling.  They use no CFC’s.  They are compact, versatile, reliable and easy to use.

Choose from 3 chilling/heating models with different temperature ranges and different speeds from temperatures A to B. The IC20 without sample block will reach below 0°C in under 2 minutes. It will also heat to 37°C in approximately 2 minutes. This rate of chilling or heating will vary when using a sample block.  It will also vary between models.  The IC20XR is fastest and the IC20XT will chill the lowest.  See the specifications below for details.

There are more than 30 standard sample blocks available from stock for most any sample container from assay plates, vials, centrifuge tubes, test tubes and more.  Custom sample blocks are available for most any container on special order.


  • Energy-efficient Peltier design
  • Digital control to 1°C from -20–110°C w/o sample block
  • Control at ambient
  • Count down timer (up to 30 days) with alarm and user settable Auto-Off
  • RS232 I/O port for control and data collection
  • Built-in data logger
  • Electronic calibration. User can reset to any local standard
  • Small, compact size uses very little bench space
  • Field operation using cigarette lighter jack in any car or truck
  • 12-volt DC operation. Requires no agency safety approvals
  • External power supply provided is UL, CSA and CE approved
  • 12-month warranty


  • Maintaining 14°C for ligation reactions
  • Enzyme reactions and deactivations
  • Maintaining 17°C for storing oocytes
  • Hybridizations
  • PCR sample preparation
  • Chilling 15, 50, 250, and 500ml centrifuge tubes to 4C for storing reagents
  • Storing samples at ice bucket temperatures
  • Incubate samples in 96-well assay plates, or in aluminum blocks holding 0.2 ml, 0.5 ml or 1.5 ml centrifuge tubes
  • Storing enzymes or DNA libraries at your work station
  • Transporting samples from the field at exactly the right temperature
  • Chilling or heating samples in the field
  • Freezing and storing most any small sample at your workstation
  • General molecular biology applications

Full Product Specifications

Range (without sample block) Varies by model: -10°C to 100°C (IC20); -20C to 100C (IC20XT); -10C to 110C (IC20XR)
Sensor TypePlatinum RTD
Controller TypePID
Range 00:01 to 30 days
Readability1 second
Audible AlarmYes, alarm sounds for 1 minute. Timer counts up until turned off.
Auto-OffYes, user settable.
Data Logger
Sample times1 sec, 1 min or 5 minutes per data point
Capability8110 data points
Heater/ChillerPeltier, 50 watts (IC20), 100 watts (IC20XT, IC20XR)
Operating Voltages100 to 260 VAC, 50/60 Hz input to universal power supply converting to 12 VDC for unit operation
Power Consumption50 watts (IC20) 100 watts (IC20XT and IC20XR) maximum
Power SwitchYes, for 12 VDC into heater/chiller module
Dimensions: Chilling/Heating Module
IC20, IC20XT, IC20XR16.5cm (width) x 22.23cm (depth) x 10.16cm (height)
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