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product arrow Model 7306 and 712


Standard Digital Model 7306

The PID microprocessor controller provides precise temperature control and greater temperature stability. The 2-speed pressure (simplex) pump minimizes turbulence in small tanks and provide higher flow and greater uniformity in large tanks. An adjustable flow director accepts 1/2 in. (13mm) ID tubing for external circulation.

Basic Model 712

This low-cost circulator offers good temperature control for routine lab applications. Proportional heater control combined with redundant safety backup makes this analog model an excellent value. The 2-speed pressure (simplex) pump minimizes turbulence in small tanks and can provide higher flow and greater uniformity in large tanks. Temperature readout is via the supplied thermometer(alcohol).

7306 & 712 Specifications
Pumping Flow
5 or 12 liters / min.
Tank Occupancy, Approx.
6½ x 4¾ in.
16.5 x 12.1 cm
Immersion Min.
3 in. / 7.6 cm
7 in. / 17.8c cm
Overall Dimensions
l x w x h
12 1/4 x 4 5/8 x 5 3/4 in.
31.2 x 11.7 x 14.6 cm
Heater 60 Hz / 1100 watts, 50Hz / 2200 Watts
Over-Temperature Cutoff
Low-liquid Cutoff
Shipping Weight
11 lbs. / 5 kg
Pump Inlet & Outlet
1/4 in. FRP Rear Discharge

Specification Model 7306 Model 712
Temperature Range Ambient +5º to 150ºC* Ambient +5º to 100ºC*
Temperature Stability ± 0.05ºC ± 0.2ºC
Controller Standard Digital Basic
Readout LED Thermometer (supplied)
Temperature Readout ºC or ºF N/A
Cat. No. 120V 50/60Hz 7306A11B (11A) 73A0A11B (11A)
Cat. No. 240V 50/60Hz 7306A12E (7.5A) 73A0A12E (7.5A)
*Temperature range and stability vary depending on bath volume, surface area, insulation and type of fluid.
Notes: Performance specifications determined at ambient temperature of 20ºC/68ºF.


Standard Digital, Basic, or Programmable Controller

Up to 25 Liter/Minute Pumping Pressure

Control at Temperatures Up to 200°C

Integral Temperature and Low-Liquid Level Protection

The PolyScience family of Immersion Circulators makes it easy to create your own unique bath for above ambient temperature control. Simply combine one of our versatile Analog, Standard, or Programmable Controllers with any PolyScience open bath or your own tank or container.




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