Cole-Parmer Thermohygrometer with Glass Thermometer
Digi-Sense Traceable® Thermohygrometer Wall Clock with Calibration; 0 to 100% RH, -40 to 120F
Traceable Thermohygrometer with Minimum/Maximum Function and Calibration
Cole-Parmer 黄铜外壳指示器, % RH/ 和 °F/°C
Cole-Parmer Brass Case Humidity Indicator, 0 to 100% RH/



Built-in desktop stand, wall-mounting bracket, one AAA battery and NIST-traceable calibration report with data supplied by InnoCal. Model 20250-31 also includes an external temperature probe with a 3 ft cable.
The Digi-Sense Thermohygrometer Indicators are designed to display temperature, humidity and time. The unique environment comfort indicator lets the user know how the level of humidity is affecting comfort, to high, low or ideal. Advanced features include °F/°C unit selection, min/max reading for temperature and humidity, environment comfort indicator, clock with alarm and date.
Plus the NIST-traceable precalibration means you get reliable measurements right out of the box, saving you time and money
Model 20250-31 has built-in temperature and humidly sensors for indoor measurements and an external temperature probe for remote monitoring of indoor or outdoor applications.
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