New Precision Hygro-Thermometer with Direct Digital Display of Grains per Pound (GPP), Model RH490. Ideal for structural drying and water damage restoration, HVAC/R, plant maintenance, mold inspection and remediation, Extech's RH490 features 2% RH accuracy with a RH response time of less than 30 seconds. Learn more about Extech Instruments.
Features:
- Less than 30 second RH response time
- Water vapor in GPP
- Dual backlit display
- Simultaneous display of:
- Humidity or GPP plus Temperature
- Humidity or GPP plus Dew Point
- Humidity or GPP plus Wet Bulb
- Slim design with rubberized sides for better grip and for one hand operation
- Data Hold and Min/Max functions
- Auto power off with disable and low battery indicator
- Complete with carrying case and 9V battery