TM100-NIST Extech Thermometer

Special Price $178.90 Regular Price $180.99
The TM100-NIST is a NIST traceable thermometer from Extech.
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  • Types RTD/Thermocouples Accepted: J, K
  • Number of Probe Inputs/Channels: 1
  • Resolution (thermometers): 0.1°/1°
  • Accuracy: ±(0.15% rdg + 1°C)
  • Auto Power off with disable feature
  • Data Hold function freezes reading on display
  • Wide temperature range with 0.1°/1° resolution
  • Readout in °F, °C, or K (Kelvin)
  • Max/Min/Avg readings with relative time stamp
  • Offset key used for zero function to make relative measurements
  • Large backlit LCD display
  • Note: NIST Calibration typically takes 5 - 7 business days, after receipt of order.

Accessories (Included)

  • 9V battery
  • Type K bead wire temperature probe (-22 to 572°F/-30 to 300°C)


  • Temperature (Type K): -328 to 2501°F (-200 to 1372°C)
  • Temperature (Type J): -346 to 2012°F (-210 to 1100°C)
  • Basic Accuracy: ±(0.15% rdg + 1°C)
  • Resolution: 0.1°/1°
  • Dimensions: 8.7 x 2.5 x 1.1" (220 x 63 x 28mm)
  • Weight: 7oz (200g)

The Extech TM100-NIST is a Type J/K Single Input Thermometer that has a wide temperature range of -328 to 2501°F/-200 to 1372°C for type k and -346 to 2012°F / -210 to 1100°C for type j measurements. It has a high 0.1°/1° resolution and a large backlit LCD display with readouts in °F, °C, or Kelvin. The data hold function freezes the reading on the display and the screen displays the Max/Min/Avg. Readings capture a relative time stamp. Also, the offset key is used for zero function to make relative measurements. Auto power off with a disable feature. With NIST Calibration.

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