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  PolyScience
9100 Series Chilled Calibration Baths/Circulators
  • Range from -20°C (-4°F) to 200°C (392°F)
  • Stability to ±0.01°C (depends on controller selected)
  • Small upright design (less than 1 sq. ft. footprint)
  • 6 liter capacity
  • Choice of 4 controllers for same base unit

Need a bath for calibrating temperature devices and don’t have a budget of $7K? Look no further. With a stability of ±0.01°C, these baths are perfect for routine calibration work at the temperatures you test most, 0°C and 100°C (32°F and 212°F), and at about half the price of a traditional metrology bath.

Select from four controller options to match your application. With the Programmable Controller (model 9112) you can store up to 10 programs with up to 50 step points, view a stability trend graphically, set high and low limits, and use an external control probe in a remote bath.

Using the Digital Controller (model 9102), you still get the same great stability and bath performance without the added programmability and remote probe. The microprocessor based digital controller allows dual readout of both set and actual temperatures and comes equipped with a built-in 5-speed pressure/suction pump.

With the Standard Controller (model 9106), stabilities of ±0.05°C are attainable with control up to 150°C. Three temperature setpoints can be programmed and recalled at the single touch of the front panel. The bright LED displays fluid temperature continuously with a quick touch of the set knob to display the current setpoint.

For low-cost, basic temperature control you’ll love the Analog Controller (model 912) option. With stability to ±0.2°C and upper range to 100°C, this bath makes a great incubator or sample prep bath.

The 9100 series baths are ideal for labs with tight working space requirements. They boast a 1 square foot footprint and quiet operation for all types of lab applications. Each model is equipped with redundant over-temperature and lo-liquid level protection.

Specifications 9112 9102 9106 912
Range: –20°C to 200°C
(4°F to 392°F)
–20°C to 150°C
(4°F to 302°F)
–20°C to 100°C
(4°F to 212°F)
Reservoir Capacity: 6 liters
Cooling Capacity: +20°C 200 Watts
0°C 140 Watts
-10°C 100 Watts
Over-Temperature Cutoff: Adjustable
Low-Liquid Cutoff: Yes
Stability: ±0.01°C ±0.05°C ±0.2°C
Controller: Programmable Digital Standard Analog
Computer I/O: RS232 N/A
Readout: Graphic LCD, °C or °F LED, °C or °F Thermometer (supplied)
Readout Accuracy: ±0.25°C ±0.5°C N/A
Pressure Flow Rate: 5-speed, 12 to 25 lpm 2-speed, 9 or 15 lpm
Suction Flow Rate: 5-speed, 8 to 18 lpm N/A
Heater: 60Hz: 1100 Watts
50Hz: 2200 Watts
60Hz: 1100 Watts
50Hz: 1600 Watts
Working Access:
L x W x D
5.25 x 5.25 x 5.5 in.
13.3 x 13.3 x 14 cm
Overall Dimensions:
L x W x H
15.75 x 8.25 x 22.5 in.
40 x 21 x 57.1 cm
Shipping Weight: 70 lbs / 32 kg 64 lbs / 29 kg
Pump Inlet and Outlet: 1/4 in. FPT Rear Discharge
Note: Performance specifications determined at ambient temp of 20°C/68°F.
For 50Hz units, derate cooling capacity by 17%
For Cooling Capacity (Watts x 3.41) = BTU/hr.

To Order:
9100 Series Calibration Baths
9112A11B/A12E 9112 Calibration Bath, Programmable Controller
9102A11B/A12E 9102 Calibration Bath, Digital Controller
9106A11B/A12E 9106 Calibration Bath, Standard Controller
91AOA11B/A12E 912 Calibration Bath, Analog Controller

Select the right contoller type for your application.
Click here to view comparison chart


Download the
Circulator Comparison Chart

in Acrobat (.pdf) format.
Datasheet
Right click and
“Save As...“


Reference Thermometer

Monitor bath stability to ±0.01° with a NIST-Traceable Reference Thermometer


Don't forget the Bath Fluid
Choose the best fluid for your temperature range. We carry bath fluids that work from -100 to 550°C.