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  PolyScience
9700 Series Ultra Low-Temperature Baths/Circulators
  • Range from -45 to 200°C (-49 to 392°F)
  • Stability to ±0.01°C (depends on controller selected)
  • Large reservoir and access opening
  • 13 liter fluid capacity
  • Choice of 3 controllers

For low temperature work to -45°C with large capacity and wide access, choose a 9700 Series bath. For thousands less than a traditional metrology bath, these low-cost baths offer stability to ±0.01°C and much faster cooling times for the high throughput laboratory. A convenient front reservoir opening makes routine calibration work easy.

Programmable Model 9712
This model offers the widest temperature range along with high stability and 5-speed pressure/suction (duplex) pump. Additional features include time/temperature programming and remote probe capability. RS232 interface and software for PC programming are standard. LabViewTMdrivers and Excel®macros offer even greater programming and data logging convenience. The full graphic LCD display with multi-language help menus aid in operation and set-up.

Digital Model 9702
Excellent temperature range and stability combined with easy-read- ing graphic display make this model a fine choice for many applications and budgets. Abuilt-in RS232 interface comes standard. The pump is a powerful 5-speed pressure/suction (duplex) type for open or closed loop applications. The full graphic LCD display with multi-language help menus simplify operation and set-up.

Standard Model 9706
A -40°C cooling capacity and +150°C upper temperature limit make this circulator an economical choice for applications where high heat removal at close to ambient temperatures is required. Microprocessor-based controller provides set-and-read functionality; three user-defined temperature buttons make set point changes quick and simple. The 2-speed pressure (simplex) pump is suitable for closed loop applications.

Specifications 9712 9702 9706
Range: -40°C to 200°C
(-40°F to 392°F)
-40°C to 150°C
(-40°F to 302°F)
Reservoir Capacity: 13 liters
Cooling Capacity: +20°C 660 Watts
0°C 480 Watts
-30°C 100 Watts
Over-Temperature Cutoff: Adjustable
Low-Liquid Cutoff: Yes
Stability: ±0.01°C ±0.1°C
Controller: Programmable Digital Standard
Computer I/O: RS232 N/A
Readout: Graphic LCD, °C or °F LED, °C or °F
Readout Accuracy: ±0.25°C ±0.5°C
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
6 x 11 x 5.5 in.
14 x 28 x 15.2 cm
Overall Dimensions:
L x W x H
17 x 15.5 x 24.75 in.
43 x 39.4 x 62.9 cm
Shipping Weight: 150 lbs / 63.2 kg 142 lbs / 64.5 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:
9700 Series Calibration Baths
9712A11C/A12E 9712 Calibration Bath, Programmable Controller
9702A11C/A12E 9702 Calibration Bath, Digital Controller
9706A11C/A12E 9706 Calibration Bath, Standard 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...“


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.