Humidity+Temperature Chart Recorder with Detachable Probe Extech RH520B

The Extech RH520B is a paperless Chart Recorder that provides simultaneous digital and graphical display of %RH and temperature or dew point, as well as showing date/time and min/max values. Use the free, PC-based software for data transfer to a PC and...

Highest 2% RH accuracy with Grains Per Pound (GPP) Display Extech RH490 Precision Hygro-Thermometer

Anyone whose job relies on calculating humidity levels will appreciate the Extech Hygro-Psychrometer. In addition to measuring relative humidity in 30 seconds, this handheld instrument captures dew point, wet bulb, temperature and water vapor levels...

Precision Psychrometer Extech RH390

Measure humidity and temperature simultaneously with the RH390 Precision Psychrometer from Extech. A dual-illuminated readout can be alternated to display wet bulb and humidity, or dew point and humidity, or temperature and humidity. This handheld device...

Humidity Calibration Kit Extech RH350-CAL

The Extech RH350-CAL Humidity Solution Kit is a calibration kit for Extech humidity indicators and is designed for use with Extech RH350 Hygro-thermometer psychrometer. The RH350-CAL includes two bottles-- one at 33% RH and the other at 75%. These...

Dual Input Hygro-Thermometer Psychrometer Extech RH350

The RH350 displays humidity, dew point, wet bulb, temperature and temperature differential. The triple backlit LCD can be changed to display humidity, temperature, dew point or humidity, temperature and wet bulb or humidity, temperature and Type K...

Humidity Calibration Kit Extech RH300-CAL

The RH300-CAL is a kit which contains 33% and 75% humidity calibration bottles. Used for verifying calibration of the 445815 humidity meter. Bottles have small opening designed to snuggly fit the remote sensor probe. Extech RH300-CAL User Manual

Humidity, Wet bulb, Dew Point, Air Temperature plus External Probe Temperature measurements Extech RH300 Hygro-Thermometer Psychrometer

The RH300 is a compact meter that is ideal for field applications. Simultaneously displays relative humidity (10% to 90% RH), air temperature and dew point or wet bulb. Calculates T1-T2 differential (air temperature minus external probe temperature)...

Hygro-Thermometer with Connectivity to ExView® App Extech RH250W

The Extech RH250W is a compact Hygro-Thermometer with Bluetooth® connectivity, which allows building and maintenance professionals to view and share relative humidity and temperature data directly from a mobile device using the free ExView app. With...

Wireless Hygro-Thermometer Transmitter Extech RH200W-T

Extech's RH200W-T is a Wireless Hygro-Thermometer Transmitter for the RH200W. You can connect up to 8 wireless transmitters to remotely measure temperature and humidity levels up to 30 m (98 ft) away. Ideal for multi-room environmental monitoring for...

Multi-Channel Wireless Hygro-Thermometer Extech RH200W

Extech’s RH200W Multi-Channel Wireless Hygro-Thermometer displays indoor temperature and humidity levels. You can connect up to eight wireless transmitters to remotely measure temperature and humidity levels up to 30 m (98 ft) away. The LCD...

Hygro-Thermometer + InfraRed Thermometer Extech RH101

This Combination Humidity meter plus Infrared Thermometer features a large backlit LCD with Primary and Secondary displays. Primary display is user selectable for IR or Humidity; Secondary always displays ambient temperature. Infrared thermometer has...

Replacement vented caps Extech RH-Screen

Replacement vent cap for Models RH390, RH490, HD500, and HD550: 5 pack