Extech Multi-Thermocouple Calibrator – PRC20

In stock

This multi-type calibrator thermometer can source and measure 8 thermocouple types including Type K, J, T, E, C, R, S and N. With a backlit screen and displays in temperature or mV.

Extech Multi Thermocouple Calibrator PRC20


  • Measures eight thermocouple type devices (J, K, T, E, C, R, S and N)
  • Cold Junction Compensation function - CJC
  • Up to five user adjustable calibration presets
  • Digital backlit LCD with thermocouple type indication
  • Type K temperature range of -58 to 2498 degrees F (-50 to 1370 degrees C)
  • Mini thermocouple connector
  • Precision output displayed as centigrade/fahrenheit or millivolts
  • Operates via battery or external power adapter
  • Complete with calibration cables, 100V-240V AC universal adaptor with 4 plugs, 6 AA batteries, and hard carrying case

For use in calibrating thermometers, transmitters, controllers or recorders. The PRC20 is suitable for Lab and field calibration, Engineering research and design, Manufacturing and test engineering, Temperature control process troubleshooting and HVAC applications. Comes with thermocouple calibration cable with subminiature connectors, standard calibration cable with subminiature connectors, 100V-240V AC universal adaptor with four plugs, six 1.5-volt AA batteries, hard case, and user manual.

SpecificationsRangeBasic Accuracy
Type J -58 to 1832°F (-50 to 1000°C) 0.05% rdg ±1°
Type K -58 to 2498°F (-50 to 1370°C) 0.05% rdg ±1°
Type T -184 to 752°F (-120 to 400°C) 0.05% rdg ±1°
Type E -58 to 1382°F (-50 to 750°C) 0.05% rdg ±1°
Type C 32 to 3182°F (0 to 1750°C) 0.05% rdg ±1°
Type R/S 32 to 3182°F (0 to 1750°C) 0.05% rdg ±1°
Type N -58 to 2372°F (-50 to 1300°C) 0.05% rdg ±1°
Voltage -10.00mV to +60.00mV 10μV 10μV ±1d
Resolution 0.1° (up to 999.9) or 1° (over 999.9°) for J, K, T, E ; 1° for R, N; 0.5° for C, S
Input Impedance 10 MΩ
Sampling Time 4 times/second
Dimensions 6.3" x 3.2" x 1.7" (159 x 80 x 44mm)
Weight 8oz (225g)
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