Hygrometers and Humidity Measurement Instruments:

Hygrometers and humidity measurement instruments test for absolute humidity, relative humidity, or dew point in air.
Hygrometers and Humidity Measurement Instruments: Learn more

Product Name Notes
Big Digit Hygro-Thermometer -- 445703 1" Digits on Super Large LCD Features: Max/Min with "reset" function Humidity: 10 to 99% RH Temp: 14 to 140°F or -10 to 60°C Accuracy: ±5%RH; ±1.8°F, ±1°C
Humidity+Temperature Chart Recorder -- RH520A Best value paperless chart recorder in the market that's easy to set up and operate Features: Simultaneous numerical and graphical display of Humidity and Temperature readings, plus Time and Date...
Pocket Humidity/ Temperature Pen -- 44550 Built-in sensors provide simultaneous readings of Relative Humidity and Temperature Features: Humidity: 20 to 90%RH (±5%RH) Temp: 14 to 122°F or -10 to 50°C Accuracy: ±5%RH; ±2°F, ±1°C Max/Min with...
Hygro-Thermometer Clock -- 445702 Combines three displays for Time, Temperature, and Humidity Features: Clock displays 12/24 hour time Max/Min with "reset" function Humidity: 10 to 85% RH Temp: 14 to 140°F or -10 to...
Humidity/Temperature Pen -- 445580
Humidity/Temperature Pen -- 445582
Compact, Digital Hygro-Thermometer, ideal for field use Features: 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...
HeatWatch™ -- HW30 Digital UP/DOWN timer displays Temperature, Humidity, and Heat Index Features: User settable Heat Index alarm Stopwatch/chronograph mode with 1/100 second resolution Fastest/Slowest/Average Lap recall 99 lap counter with 30 lap/split...
Hygro-Thermometer Alarm Clock -- 445706 Features: Large digit display clock ideal for desktop or wall mount Calendar displays day, date and month Measures Temperature and Humidity plus MIN/MAX function
EasyView™ Hygro-Thermometer -- EA20 Features: Large LCD displays any two parameters simultaneously Data Hold, Relative, Min/Max, Programmable power off timer Stores up to 99 manual readings for display recall Includes probe with 39" (1m)...
Radio-Controlled Hygro-Thermometer -- CTH10 Features: Receives Time Code from NIST Radio Station WWVB Automatically adjusts year, date, day, hour, minute, second, and DST Large LCD displays Time, RH%, Temperature, Year, Month, Date, and Day...
Digital Psychrometer -- RH300 Features: Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or Probe Temperature Wet bulb measurements without slinging Calculates T1-T2 differential (Air Temperature-External Probe Temperature) using optional probe...
Humidity+Temperature Chart Recorder with Detachable Probe -- RH520A-220
Humidity+Temperature Chart Recorder with Detachable Probe -- RH520A-240
Features: Simultaneous numerical and graphical display of Humidity and Temperature readings, plus Time and Date Measures Humidity (10 to 95%RH) and Temperature (-20.0°F to 140.0°F) plus calculates Dew Point Basic...
Precision Psychrometer -- RH390
SuperHeat Psychrometer -- RH350
Features: Superheat differential measurements: T1-T2, Air-T1, T1-Dewpoint Dual Type K external temperature probe input Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or External Probe Temperatures Built-in...
Hygro-Thermometer + IR Thermometer -- RH101 Humidity, Air Temperature plus IR for non-contact Temperature measurements Features: Combination Humidity meter plus InfraRed Thermometer features a super large backlit dual display Primary and Secondary displays — Primary display...
Hygro-Thermometer Humidity Alerts -- 445815 Programmable Alarm warns of High Humidity Conditions Features: %RH audible and visual alarm alerts when humidity exceeds set limit Displays Dew Point temperature Rear calibration adjustment pot for Humidity and...
Hygro-Thermometer Humidity Alerts -- 445814 Programmable Alarm warns of High Humidity Conditions Features: %RH audible and visual alarm alerts when humidity exceeds set limit Displays Dew Point temperature Max/Min with reset function Humidity: 10 to...
Heat Stress WBGT Meter -- HT30 Features: Heat Stress Index measures how hot it feels when humidity is combined with temperature, air movement, and radiant heat Black Globe Temperature (TG) monitors the effects of direct solarradiation...
EasyView™ Hygro-Thermometer -- EA25 Features: Large LCD displays any two parameters simultaneously Data Hold, Relative, Min/Max, Programmable power off timer Stores up to 99 manual readings for display recall or up to 15,000 readings...
Digital Psychrometer + IR Thermometer -- RH401 Features: Triple display with backlighting View Air temp+RH+surface temp View Dew Point+RH+surface temp View Wet Bulb+RH+surface temp InfraRed Thermometer with Built-in laser pointer 8:1 distance to target ratio Adjustable Emissivity...