EXTECH 445580-NIST Humidity/Temperature Pen with NIST


Price $210.09
FREE SHIPPING | Est Delivery in 2-3 weeks after ordering

Frequently Bought Together

Please choose Options for all selected Products

Extech Test & Measurement

Compact, Digital Hygro-Thermometer, ideal for field use - with NIST

Take this this handy humidity and temperature gauge on the go and rely on a long-lasting 3V lithium battery for maximum usage time. This slim measuring tool will capture humidity readings from 10 to 90% RH and register temperatures from 14° to 122° (-10 degrees to 50°). It’s an ideal tool for field work and a nice accoutrement for outdoor lovers. This utility tool will store maximum and minimum readings until the memory is cleared and includes a data-hold button for rapidly fluctuating measurements. Includes meter with pocket clip and 3V lithium battery.


  • Simultaneous display of Temperature (°C/°F) and Relative Humidity
  • Max/Min and Data Hold
  • Built-in self calibration utility allows for field calibrations using optional Relative Humidity calibration bottles
  • Includes meter with pocket clip and 3V lithium battery


% Relative Humidity | Temperature

  • Range: 10 to 90% | 14 to 122°F (-10 to 50°C)
  • Basic accuracy: ± 5% | ±1.8°F/1°C
  • Resolution: 0.1%RH | 0.1°C or °F
  • Power: One lithium battery (CR2032)
  • Dimensions: 5.7x 1.2 x 1" (145 x 30 x 25mm)
  • Weight: 2.3 oz.(65g)