Model Gemini Two independent controllers, one with timer


Features two temperature controllers in a single cabinet to regulate two independent reactions. The Gemini is one of J-KEM’s most versatile controllers featuring high power outlets and a 100 hour digital timer (on channel 1) to turn heating OFF (or ON) at a user entered time. Features include: over-temperature protection circuits with audible alarms, dual temperature displays, selectable operating modes, double fused, and 100% solid state design. Contains J-KEM’s patented power control computer which provides 0.1° regulation of anything.

Specifications: 120vac, 10 amps, 1200 watts.
Warranty: 2 Years

The temperature range desired determines the probe/thermocouple type:

J [black] (0 – 800° C)
K [yellow] (-50 – 1200° C)
T [blue]  (-200 – 250° C)
RTD: (-200 – 400° C)


Complete system includes: one controller, two Teflon thermocouples (12″ long, 1/8″ diameter), two connecting cords, and two 14/20 joint adapters.

System thermocouples are Teflon-coated and should not be used above 190° C

Need even more control? Add the KEM-I/O feature: an input/output option that allows your controller to operate external devices like valves and stirrers with digital inputs/outputs.

Inquire about NRTL approval.

Academic and volume discounts are available.

3.7/5 (21 Reviews)
Weight 7 lbs
Dimensions 9.25 × 7.75 × 3.5 in
SKU: gemini