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Extech Big Digit Remote Probe Hygro-Thermometer 
The Extech 445715 remote probe hygro-thermometer allows you to measure both humidity and temperature with one instrument. The probe can clip onto the meter or extend up to 18" away.
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Extech Digital Psychrometer
The Extech Digital Psychrometer RH300 will give a simultaneous display of %RH, temperature and dew point or wet bulb or probe temperature. Capture wet bulb measurements without slinging and calculate T1-T2 differential (air temperature - external
probe temperature) using optional probe.
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Extech EasyView™ Hygro-Thermometers
This device measures Humidity, Temperature, Dew Point temperature and Wet Bulb temperature. Advanced features include Manual Datalogging of up to 99 sets, MAX/MIN recording, Relative measurement mode, and elapsed timer.
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Extech Heat Stress WBGT Meter
This meter measures and displays Heat Stress Index (WBGT), which is how hot it feels when humidity is combined with temperature, air movement, and direct or radiant sunlight. Black Globe Temperature (TG) monitors the effects of direct solar radiation
on an exposed surface.
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Extech Humidity + Temperature Chart Recorder
The RH520 measures and displays Temperature, Humidity, and Dew Point. The RH520 Internal Memory can store up to 49,152 measurements for later transfer to a PC.
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Extech Humidity/Temperature Pen & Kit
The 445580 can measure Relative Humidity from 10% to 90% and Temperature from 14 to 122°F (0 to 50°C).
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Extech Hygro-Thermometer Humidity Alert with Dew Point
Humidity alarms warn when the %RH exceeds a pre-set HI or LO limit. The remote probe conveniently mounts on the meter or extends for measurements in ducts or remote locations. This professional meter, with proper care, will provide years of safe
reliable service.
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Extech Pocket Hygro-Thermo-Anemometer
The dual display indicates Air Velocity and Temperature or Humidity and Temperature. With careful use, this meter will provide years of reliable service.
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Extech Precision Hygro-Thermometer
This device measures Humidity, Air Temperature, Dew Point temperature, Wet Bulb temperature and Grains of Water Vapor Per Pound of Air. This meter is shipped fully tested and calibrated and with proper use will provide years of reliable service.
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Extech Precision Psychometer
This device measures Humidity, Air Temperature, Dew Point temperature and Wet Bulb temperature. Advanced features include Data Hold, Auto Power Off, and MAX/MIN reading. Careful use of this meter will provide years of reliable service.
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Extech Psychrometer + IR Thermometer with GPP
This handheld meter measures and displays Air Temperature, Dew Point Temperature, and Wet Bulb Temperature; Humidity in %RH, grains per pound, and grams per kilogram; and Surface Temperature using the built-in IR thermometer.
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Extech SuperHeat Psychrometer
This device measures Differential Temperature (T1-T2, Air-T1, T1-DP), Humidity, Air Temperature, Dew Point and Wet Bulb. Careful use of this meter will provide years of reliable service.
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Extech Instruments 
