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EXTECH PRC20 Thermocouple Calibrator

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Precision Multi-Thermocouple Source/Measure Calibrator


  • Source and measure 8 thermocouple type devices (J, K, T, E, C, R, S and N) with one meter that provides precision output displayed as °C/°F or mV.
  • CJC – Cold Junction Compensation function
  • Up to five user adjustable calibration presets
  • Palm-sized double molded housing and large dot-matrix digital backlit LCD with thermocouple type indication
  • High accuracy calibration function simulates precision thermocouple outputs for use in calibrating thermometers, transmitters, controllers or recorders
  • Displays output in terms of millivolts or temperature based on thermocouple tables
  • Mini thermocouple connector
  • Large battery bank for extended work cycle
  • External power adapter for continuous work cycle
  • Complete with calibration cables, 100V-240V AC universal adaptor with 4 plugs, 6 AA batteries, and hard carrying case

Applications include:

  • Lab and Field Calibration and Verification Operations of Sensors, Thermocouple Probes, Controllers, Panel meters & Testing
  • Engineering Research and Design
  • Manufacturing and Test Engineering
  • HVAC
  • Temperature Control Process Troubleshooting

Authorised Australian Distributor

CE   1 Year

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SKU: EXTECH PRC20 Category: Tags: , ,

Extech PRC20 Thermocouple Calibrator

The PRC20 sources and measures eight thermocouple type devices (J, K, T, E, C, R, S and N) and provides precision output displayed as Centigrade/Fahrenheit or mV. It has five user adjustable calibration presets and a Type K temperature range of -50 to 1370 degrees C.

  • Lab and field calibration and verification operations of sensors, thermocouple probes, controllers, panel meters & testing tools.
  • Engineering research and design
  • Manufacturing and test engineering
  • HVAC
  • Temperature control process troubleshooting


Specifications Range Basic 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 32 to 3182°F (0 to 1750°C) 0.05% rdg ±1°
Type R/S 32 to 3182°F (0 to 1750°C) (0 to 1750°C)
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
Meter Dims (LxWxH) 6.3″ x 3.2″ x 1.7″ (159 x 80 x 44mm)
Meter Wt 8oz (225g) – not including battery weight


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