The CIT-1 Snow Sensor detects falling or blowing snow as precipitation at temperatures below 38°F(3.3°C). The CIT-1 provides the industry’s most versatile and cost effective automatic snow melting control when used with the EUR-5, APS-3C or APS-4C Control Panel. Reliability and sensitivity are key CIT-1 features. The solid state design combined with a rugged aluminum housing and epoxy potting ensure many years of trouble free service. Pre-cision precipitation and temperature sensors ensure snow detection accuracy.