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Dual Input Hygro-Thermometer Psychrometer

Extech RH350

Model: RH350 Go to Product Support
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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 thermometer. Can also display the temperature difference between Type K T1 and T2 or air temperature and Type K or Type K and dew point. Advanced features include built-in memory and recall of up to 99 data points, Min/MAX/Average readings from the captured data, data hold and selectable auto power off. Includes 2 Type K temperature probes, and four AAA batteries.

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General Specifications
Dew Point
-90.4 to 122 °F (-68.0 to 49.9 °C)
Dew Point Max Resolution
Relative Humidity
10 to 90%
Relative Humidity Basic Accuracy
Relative Humidity Max Resolution
Temperature (Air)
-4 to 122 °F (-20 to 50 °C)
Temperature (Air) Basic Accuracy
±1.8 °F/ ±1 °C
Temperature (Air) Max Resolution
Temperature (Type K) Max Resolution
-328 to 2498 °F (-200 to 1370 °C)
Temperature (Type N)
±0.3% or ±1.8 °F/ ±1 °C
Temperature (Type N) Basic Accuracy
Wet Bulb
-6.9 to 122 °F (-21.6 to 49.9 °C)
Wet Bulb Max Resolution
Additional Details
9 × 2.2 × 1.7" (230 × 57 × 44mm)
4 × AAA (1.5V) batteries
2 years
5.3oz (153g)
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Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

Extech RH350 - Model: RH350

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