Extech's RH390 Precision Psychrometer allows you to measure humidity and temperature simultaneously. A dual-illuminated readout can be set to show wet bulb and humidity, dew point and humidity, or temperature and humidity. This handheld gadget monitors temperatures from -22 to 199 degrees F (-30 to 100 degrees C) and measures relative humidity with ±2% accuracy between 20 and 90% RH. Complete with a carrying case and a 9V battery.
| 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° |
| Certifications | CE |
| Dimensions | 7.8 × 1.7 × 1.3" (200 × 45 × 33mm) |
| Power | 1 × 9V battery |
| Warranty | 2 years |
| Weight | 7oz (200g) |