Extech RH490 - Precision Hygro-Thermometer

Precision Hygro-Thermometer

Highest 2% RH accuracy

With Grains per Pound (GPP) and Grams per Kilogram (g/kg) measurement

Key Features:

• Less than 30 second RH response time
• Water vapor in GPP (g/kg)
• Dual backlit display
• Simultaneous display of: Humidity or GPP (g/kg) plus Temperature Humidity or GPP (g/kg) plus Dew Point Humidity or GPP (g/kg) 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