This item is now discontinued. Please browse similar items

Extech RHT3 Compact Hygro-Thermometer for Ios and android Devices

Representative image only.
Extech Mfr # RHT3 – Item # EW-39756-03
Use your smartphone or tablet to take quick, general readings and analyze the data
  • Graphically plot humidity and temperature changes over time


Specifications & Description

  • Min RH Range (%)20
  • Max RH Range (%)95
  • RH Accuracy±5% RH
  • RH Resolution (%)0.001
  • Min Temperature (° F)-4
  • Min Temperature (° C)-20
  • Max Temperature (° F)140
  • Max Temperature (° C)60
  • Temperature Accuracy±1.8°F (±1.0°C)
  • Temperature Resolution0.1°
  • Wet BulbYes
  • Response Time1 second
  • Height (in)45/64
  • Width (in)11/32
  • Depth (in)2 1/10
  • DescriptionCompact Hygro-Thermometer for Ios and android Devices


protective cap.

Key Features

  • Graphically plot humidity and temperature changes over time

More About this Item

Unique technology lets you take quick measurements in a broad range of applications using your Apple® and Android™ device. Designed to monitor relative humidity, temperature, wet bulb, and dew point. Simply connect the attachment to a smartphone or tablet (not included) via the 3.5 mm headphone port.

The Extech RHT3 attachment requires the use of an App; available for free online. The App provides a simple and intuitive user interface with a variety of functions that make it easy to collect and share information. Other functions include data logging of four record sets with 100 data points per measurement (per set), trend graph of readings, and user-settable high/low alarms.




Need Help with this product?

Our specialists are here to help you find the best product or part available for your application. Call or Email us and we will make sure you get the right product or part for the job.

Call Us At1-800-323-4340
Live chat