Elcometer: The 309 Delta T Hygrometer is a low-cost, entry-level gauge that provides a simple and fast method of measuring Delta T and relative humidity. It features pass/fail gauge limits with on-screen symbols and/or flashing green or red LED. Other features include a rugged design with fully sealed sensors and a backlight that is ideal for use in dark or confined spaces.

 

Call 800/521.0635.