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Specifications
Models: TWRS (Wireless RainSensor) and TWRFS (Wireless Rain/Freeze Sensor)
Wireless Communication Range: 500' (152.4m) LOS (line-of site)
Sensor Type: Industry-standard hygroscopic disc stack with adjustable rainfall sensitivity
Sensor Module Batteries: (2) 3V cells - CR2032 (or equivalent)
Average Battery Life: 5 years
Operating Temperature Range: -20°F to 120°F (-29°C to 49°C)
Receiver Power: 22–28 Vac/Vdc, 100mA (from controller w/Class 2,
UL-
approved transformer)
Relay Contacts Output: Normally Open (NO) and Normally Closed (NC) 3A at 24 Vac
RainSensorAlpha7 3/10/2005 3:31 PM Page 24