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Precision Controllers

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MODEL 210 · Compact, research grade
$860.00

Available for purchase with or without system accessories.
Just the controller $860.00
Complete system $955.00


The Model 210 is the most compact of J-KEM’s research-grade controllers, with 1200 watts of power. A new safety feature automatically disconnects power from the heater following recovery from a power failure. Sufficient for heating mantles up to 5 L in size and most laboratory ovens, hot plates, reaction blocks and other heaters. Contains J-KEM’s patented power control computer which provides 0.1o C regulation of anything. The only controller that can heat volumes under 100 µL with the safety of 0.1o C regulation.



  • 0.1º C Regulation & Display

  • NIST traceable

  • Advanced PID algorithm


2 Year warranty


Also available as 230VAC, CE approved Model 310


Academic and volume discounts apply


Complete system includes: one controller, one Teflon thermocouple (12" long, 1/8" diameter), one connecting cord, and one 14/20 joint adapter.

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Model 210/Timer · Compact, research-grade, with 100 hour digital timer
$955.00

Available for purchase with or without system accessories.
Just the controller $955.00
Complete system $1050.00


Same power and versatility as the Model 210, but also contains a 100 hour digital timer to turn heating OFF or ON at a user specified time. 



  • 0.1º C Regulation & Display

  • NIST traceable

  • Advanced PID algorithm


2 Year warranty


Academic and volume discounts apply


Complete system includes: one controller, one Teflon thermocouple (12" long, 1/8" diameter), one connecting cord, and one 14/20 joint adapter.

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MODEL 250 · with both heating and cooling outlets
$985.00

Available for purchase with or without system accessories.
Just the controller $985.00
Complete system $1080.00


The Model 250 has both heating and cooling outlets for maximum versatility. Two heating outlets supply 1800 watts of power for large equipment and heating mantles up to 22 L. The third outlet (1800 watts), normally used for cooling, is programmable to supply power below, above, or at the setpoint. Contains J-KEM’s patented power control computer which provides 0.1o C regulation of anything.



  • 0.1º C Regulation & Display

  • NIST traceable

  • Advanced PID algorithm


2 Year warranty


Academic and volume discounts apply


Complete system includes: one controller, one Teflon thermocouple (12" long, 1/8" diameter), one connecting cord, and one 14/20 joint adapter.

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MODEL 260/Timer ∙ Digital Temperature Controller · with safety features · two power outlets
$1,175.00

Available for purchase with or without system accessories.
Just the controller $1175.00
Complete system $1270.00


The Model 260/Timer is designed for processes requiring an extra measure of safety. The unit disconnects outlet power if the process temperature exceeds the set point by a user specified amount, or following recovery from a power failure. Power remains off until the controller is manually reset. Over temperature is signaled by both an indicator lamp and an audible alarm. Contains a 100 hour digital timer to turn heating OFF (or ON) when the time expires. The Model 260 has two power outlets (1800 watts) for large equipment or heating mantles up to 22 L. Contains J-KEM’s patented power control computer which provides 0.1o C regulation of anything.



  • 0.1º C Regulation & Display

  • NIST traceable

  • Advanced PID algorithm


2 Year warranty


Also available as 230VAC, CE approved Model 360/TIMER


Academic and volume discounts apply


Complete system includes: one controller, one Teflon thermocouple (12" long, 1/8" diameter), one connecting cord, and one 14/20 joint adapter.

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MODEL 270 · High safety controller
$1,570.00

Available for purchase with or without system accessories.
Just the controller $1570.00
Complete system $1720.00


Designed for processes requiring uncompromising safety. The Model 270 has a built-in, independent, backup controller to guard against heating accidents from equipment failure. The desired temperature is entered into the main temperature controller which regulates heating, and then a high temperature cut-off is entered into the backup limit controller. If the reaction reaches the high temperature limit or a thermocouple breaks, power is turned off to the heater until the controller is manually reset. Both meters independently monitor the reaction temperature. In the event that one meter fails, the other takes over to prevent a heating accident. J-KEM’s design provides independent, 100% redundant control. Contains J-KEM’s patented power control computer which provides 0.1o C regulation of anything. Model 270 requires one dual element thermocouple and cord, or two single element.



  • 0.1º C Regulation & Display

  • NIST traceable

  • Advanced PID algorithm


2 Year warranty


Academic and volume discounts apply


Complete system includes: one controller, one dual Teflon thermocouple (12" long, 1/4" diameter), one connecting cord, and one 14/20 joint adapter

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MODEL APOLLO · Dual-Channel · Dual-Timer
$1,595.00

Available for purchase with or without system accessories.
Just the controller $1595.00
Complete system $1795.00


J-KEM's Apollo model controls TWO reactions! Dual-channel controller features two temperature controllers in a single cabinet to regulate two independent reactions. Each channel has a high power outlet and a 100 hour digital timer to turn heating OFF (or ON) at a user set time. Includes over-temperature protection circuits, dual temperature displays and selectable operating modes. Double fused, and 100% solid state design. Contains J-KEM’s patented power control computer which provides 0.1o C regulation of anything. 



  • 0.1º C Regulation & Display

  • NIST traceable

  • Advanced PID algorithm


2 Year warranty


Academic and volume discounts apply


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

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MODEL GEMINI · Dual-Channel · with digital timer on one channel
$1,425.00

Available for purchase with or without system accessories.
Just the controller $1425.00
Complete system $1625.00


Gemini controls TWO independent reactions! Dual-channel controller features two temperature controllers in a single cabinet to regulate two independent reactions. The Gemini is among 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. Includes 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 0.1o C regulation of anything.



  • 0.1º C Regulation & Display

  • NIST traceable

  • Advanced PID algorithm


2 Year warranty


Also available as 230VAC, CE approved Model GEMINI-CE


Academic and volume discounts apply


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

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MODEL HCC 230 · High power · 240 VAC · 30 AMP · 7200 watts
$2,045.00

The line of HCC controllers is designed to power large scale equipment with volumes up to 100 L. Built with the same uncompromising commitment to safety as our Model 270, the HCC is available in three models for both 120 and 230 volt operations. In addition to the features of the Model 270, these high power controllers incorporate a 100 hour timer to turn heating OFF (or ON) at a user set time. The HCC is readily customized to meet unique research or additional safety needs. Call for more information. Includes a built-in, independent, backup controller to guard against heating accidents from equipment failure. The desired temperature is entered into the main temperature controller which regulates heating, and then a high temperature cut-off is entered into the backup limit controller. If the reaction reaches the high temperature limit or a thermocouple breaks, power is turned off to the heater until the controller is manually reset. Both meters independently monitor the reaction temperature. In the event that one meter fails, the other takes over to prevent a heating accident. J-KEM’s design provides independent, 100% redundant control. Contains J-KEM’s patented power control computer which provides 0.1º C regulation of anything.



  • 0.1º C Regulation & Display

  • NIST traceable

  • Advanced PID algorithm


2 Year warranty


Academic and volume discounts apply


Requires one dual element thermocouple and cord, or two single element.

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MODEL HCC-130 · High power · 120 VAC · 30 AMP · 3600 watts
$1,915.00

The line of HCC controllers is designed to power large scale equipment with volumes up to 100 L. Built with the same uncompromising commitment to safety as our Model 270, the HCC is available in three models for both 120 and 230 volt operations. In addition to the features of the Model 270, these high power controllers incorporate a 100 hour timer to turn heating OFF (or ON) at a user set time. The HCC is readily customized to meet unique research or additional safety needs. Call for more information. Includes a built-in, independent, backup controller to guard against heating accidents from equipment failure. The desired temperature is entered into the main temperature controller which regulates heating, and then a high temperature cut-off is entered into the backup limit controller. If the reaction reaches the high temperature limit or a thermocouple breaks, power is turned off to the heater until the controller is manually reset. Both meters independently monitor the reaction temperature. In the event that one meter fails, the other takes over to prevent a heating accident. J-KEM’s design provides independent, 100% redundant control. Contains J-KEM’s patented power control computer which provides 0.1º C regulation of anything.



  • 0.1º C Regulation & Display

  • NIST traceable

  • Advanced PID algorithm


2 Year warranty


Academic and volume discounts apply


Requires one dual element thermocouple and cord, or two single element.

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MODEL HCC-215 · High power · 240 VAC · 15 AMP · 3600 watts
$1,940.00

The line of HCC controllers is designed to power large scale equipment with volumes up to 100 L. Built with the same uncompromising commitment to safety as our Model 270, the HCC is available in three models for both 120 and 230 volt operations. In addition to the features of the Model 270, these high power controllers incorporate a 100 hour timer to turn heating OFF (or ON) at a user set time. The HCC is readily customized to meet unique research or additional safety needs. Call for more information. Includes a built-in, independent, backup controller to guard against heating accidents from equipment failure. The desired temperature is entered into the main temperature controller which regulates heating, and then a high temperature cut-off is entered into the backup limit controller. If the reaction reaches the high temperature limit or a thermocouple breaks, power is turned off to the heater until the controller is manually reset. Both meters independently monitor the reaction temperature. In the event that one meter fails, the other takes over to prevent a heating accident. J-KEM’s design provides independent, 100% redundant control. Contains J-KEM’s patented power control computer which provides 0.1º C regulation of anything.



  • 0.1º C Regulation & Display

  • NIST traceable

  • Advanced PID algorithm


2 Year warranty


Academic and volume discounts apply


Requires one dual element thermocouple and cord, or two single element.

Learn More

| Add to Compare

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