The HS Series humidity switch, designed to control dehumidifying as well as humidifying, has a relative humidity (rh) range from 0 percent to 100 percent. The switch features nine user-defined parameters including set point, hysterisis, control type, and cycle time. Rh, output status, and error/alarm messaging is shown on a green LED. Access to programming parameters can be locked for security purposes, using the password-protection feature. The switch comes with a fitting clip for panel mounting, gasket, rear terminal cover, and instruction manual.

Love Controls, a div. of Dwyer Instruments Inc., P.O. Box 337, Michigan City, IN 46361-0337; 219-879-8000; 219-872-9057(fax); lit@dwyer-inst.com; www.dwyer-inst.com.

eProduct #185