Extech RH390
Precision Psychrometer
Product Variations
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 registers temperatures from -22 degrees to 199 degrees F (-30 degrees to 100 degrees C) and measures the full spectrum of relative humidity with ±2% accuracy between 20 and 90% RH. Complete with carrying case and 9V battery.
Specifications
| General | |
|---|---|
| Dew Point | -22 to 199 °F (-30 to 100 °C) |
| Dew Point Max Resolution | 0.1° |
| Relative Humidity | 0 to 100% |
| Relative Humidity Basic Accuracy | ±2% |
| Relative Humidity Max Resolution | 0.1% |
| Temperature (Air) | -22 to 199 °F (-30 to 100 °C) |
| Temperature (Air) Basic Accuracy | ±1.8 °F/1 °C |
| Temperature (Air) Max Resolution | 0.1 °F/ °C |
| Wet Bulb | 32 to 176 °F (0 to 80 °C) |
| Wet Bulb Max Resolution | 0.1° |
| Additional Details | |
|---|---|
| Certifications | RH390-NIST_S: CE, NIST RH390_S: CE |
| Dimensions | 7.8 × 1.7 × 1.3" (200 × 45 × 33mm) |
| Power | 1 × 9V battery |
| Warranty | 2 years |
| Weight | 7oz (200g) |
Resources & Support
Datasheet
Extech RH390 Datasheet
User Manual
Extech RH390 User Manual
Certification
Extech RH390 Declaration of Conformity
Export Restrictions
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