Measure humidity and temperature simultaneously with the Extech RH390 precision psychrometer. A dual-illuminated display can be switched to show wet bulb and humidity, or dew point and humidity, or temperature and humidity. This device records temperatures from -30°C to 100°C and measures the full spectrum of relative humidity with an accuracy of ±2% between 20% and 90% RH. The RH390 comes with a carrying case and 9V battery.
Available on backorder
