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  • EXTECH Temperature and Humidity Meters

    Constant innovation, unique features and affordibility defines Extech testing and measuring instruments. With interest in 15 major product categories, we carry a large range of multimeters, clamp meters, indoor air quality , environmental meters for sounds, temperatue, humudity, airflow, water quality etc. Find the right Extech instrument to suit your testing and diagnostic applications including Maintenance, Environmental, HVACR, Electrical and Construction.



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    EXTECH 401014 - Big Digit Indoor/Outdoor Thermometer
      EXTECH - Big Digit Indoor/Outdoor Thermometer Model # 401014

     
    • Simultaneously displays indoor and outdoor temperatures
    • Big digit display can be easily seen from a distance
    • Includes wall bracket and 3 metre extension cable with waterproof outdoor sensor
    EXTECH RHT50 - Weather Datalogger
      EXTECH - Weather Datalogger Model # RHT50

     
    • Datalogs up to 10,000 readings with a user programmable sample rate
    • Selectable Atmospheric Pressure Units: psi, hPa, kPa, and bar
    • Selectable data sampling rate from 1 minute to 18 hours
    EXTECH 445580 - Humidity/Temperature Pen
      EXTECH - Humidity/Temperature Pen Model # 445580

     
    • 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
    EXTECH HT30 - Heat Stress WBGT (Wet Bulb Globe Temp.) Meter
      EXTECH - Heat Stress WBGT (Wet Bulb Globe Temp.) Meter Model # HT30

     
    • 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 on an exposed surface
    • In/Out Function displays the WBGT value with or without direct sun exposure
    EXTECH RH200W - Multi-Channel Wireless Hygro-Thermometer
      EXTECH - Multi-Channel Wireless Hygro-Thermometer Model # RH200W

     
    • Base Station LCD with Auto-Night Light displays local and up to eight remote Temperature/Humidity readings either auto-cycle or manual mode from the wireless transmitters
    • Easy-to-read 1.3″ (33mm) oversized digits
    • Min/Max recording with reset
    EXTECH RH390 - Precision Psychrometer
      EXTECH - Precision Psychrometer Model # RH390

     
    • Dual backlit display
    • Simultaneous display of: Humidity/Temperature, Humidity/Dew Point or Humidity/Wet Bulb
    • Data Hold and Min/Max functions
    EXTECH RH401 - Digital Psychrometer + InfraRed Thermometer
      EXTECH - Digital Psychrometer + InfraRed Thermometer Model # RH401

     
    • Triple display with backlighting
    • Displays Air temp+RH+surface temp or Dew Point+RH+surface temp or Wet Bulb+RH+surface temp
    • Built-in InfraRed Thermometer with laser pointer and 8:1 distance to target ratio
    EXTECH 445703 - Big Digit Hygro Thermometer
      EXTECH - Big Digit Hygro Thermometer Model # 445703

     
    • Max/Min with “reset” function
    • Humidity: 10 to 99%RH
    • Temp: 14 to 140°F or -10 to 60°C
    EXTECH 445713 - Big Digit Indoor/Outdoor Hygro-Thermometer
      EXTECH - Big Digit Indoor/Outdoor Hygro-Thermometer Model # 445713

     
    • Max/Min with reset function
    • Humidity: 10 to 99% RH
    • Temperature: 14 to 140°F or -10 to 60°C
    EXTECH 445713-TP - Big Digit Indoor/Outdoor Hygro-ThermometerCompact Hygro-Thermometer with Remote Probe
      EXTECH - Big Digit Indoor/Outdoor Hygro-ThermometerCompact Hygro-Thermometer with Remote Probe Model # 445713-TP

     
    • External temperature probe: -58 to 158°F (-50 to 70°C)
    • Internal temperature sensor: 32 to 122°F (0 to 50°C)
    • Internal humidity range: 20% to 99% RH
    EXTECH 445814 - Hygro-Thermometer Humidity Alert w/Dew Point
      EXTECH - Hygro-Thermometer Humidity Alert w/Dew Point Model # 445814

     
    • %RH audible and visual alarm alerts when humidity exceeds set limit
    • Displays Dew Point temperature
    • Max/Min with reset function
    EXTECH 445815 - Hygro-Thermometer Humidity Alert with Dew Point
      EXTECH - Hygro-Thermometer Humidity Alert with Dew Point Model # 445815

     
    • %RH audible and visual alarm alerts when humidity exceeds set limit
    • Displays Dew Point temperature
    • Max/Min with reset function
    EXTECH RH10 - Pocket Series Hygro-Thermometer
      EXTECH - Pocket Series Hygro-Thermometer Model # RH10

     
    • Measures relative humidity from 0 to 100%RH
    • Measures temperature from -4 to 140°F (-20 to 60°C)
    • Pocket-sized housing with easy one-button operation
    EXTECH RH35 - Desktop Hygro-Thermometer Alert
      EXTECH - Desktop Hygro-Thermometer Alert Model # RH35

     
    • Innovative graphical display shows the measured humidity values of the last 24 hours like a radar screen
    • Large, easy-to-read LCD displays % Relative Humidity, Indoor Temperature and Dew Point
    • Humidity range: 10 to 99%RH
    EXTECH RH300-CAL - Humidity Calibration Kit
      EXTECH - Humidity Calibration Kit Model # RH300-CAL

     
    • Bottles designed with small opening for snugged fit of the sensor
    • Includes 33%RH and 75%RH calibration bottles
    EXTECH RH490 - Precision Hygro-Thermometer
      EXTECH - Precision Hygro-Thermometer Model # RH490

     
    • Less then 30 seconds of RH response time
    • Water vapor in GPP
    • Dual backlit display
    EXTECH RH520A - Humidity+Temperature Chart Recorder with Detachable Probe
      EXTECH - Humidity+Temperature Chart Recorder with Detachable Probe Model # RH520A

     
    • 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 accuracy 3%RH, 1.8°F/1°C
    EXTECH RH25 - Heat Index Psychrometer -4 to 122°F (-20 to 50°C)
      EXTECH - Heat Index Psychrometer -4 to 122°F (-20 to 50°C) Model # RH25

     
    • Built-in multiparameter sensor measures Heat Index, Wet Bulb Globe Temperature (WBGT), Humidity, Ambient Temperature, Temperature, Dew Point and Wet Bulb
    • User Programmable Heat Index/WBGT alarm
    • MIn/Max/Average
    EXTECH 44550  - Pocket Humidity- Temperature Pen
      EXTECH - Pocket Humidity- Temperature Pen Model # 44550

     
    • Humidity: 20 to 90%RH (±5%RH)
    • Temperature: 14 to 122°F or -10 to 50°C
    • Accuracy: ±5%RH; ±2°F, ±1°C
    EXTECH MO290 - Pinless Moisture Psychrometer + IR
      EXTECH - Pinless Moisture Psychrometer + IR Model # MO290

     
    • Measure Humidity, Air Temperature (with built-in probe) plus non-contact InfraRed Temperature
    • Pinless moisture sensor allows to monitor moisture in wood and other building materials with no surface damage
    • Remote pin-type probe (MO290-P) for contact moisture readings (3ft/0.9m cable length)
    EXTECH HW30 - HeatWatch™ Humidity/Temperature Stopwatch
      EXTECH - HeatWatch™ Humidity/Temperature Stopwatch Model # HW30

     
    • User adjustable Heat Index alarm
    • Stopwatch/chronograph mode with 1/100 second resolution
    • Fastest/Slowest/Average Lap recall

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