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Extech 41233
J, K Temperature checkers, Discontinued

See: Extech Calibrators

  • Easy to use pocket calibrators simulate four values for checking J or K Thermocouple devices
  • Pocket Checkers are easy to use and provide a quick and easy way for checking calibration of meters or controllers
  • Instantly determines if your device needs calibration or if sensor needs to be replaced
  • Compact case features push button range selector switch bright red LEDs indicate simulation range or battery status
  • Dimensions: 3.5x2.3x1" (89x58.4x25.4mm); Weight: 10oz (283.5g)
  • Choice of J or K Thermocouple Types
  • Accuracy ±(0.25% + 1°C or °F) Simulation ranges: Type J: 32°F (0°C), 212°F (100°C), 392°F (200°C) and 752°F (400°C); Type K: 32°F (0°C), 212°F (100°C), 932°F (500°C) and 1832°F (1000°C)
  • Complete with 9V battery, vinyl pouch case and choice of calibration cable (60") terminated with subminiature or spade lug connector (temperature)
Ordering Information
Model Description Buy Online Price
41233J Extech 41233J CALIBRATOR, TYPE J CHECKER SERIES Discontinued
41233K Extech 41233K CALIBRATOR, TYPE K CHECKER SERIES Discontinued


*NOTE: Items ordered with optional NIST calibration will require
approximately 10 days to complete the certification.