Tekmar 090 - The tekmar Snow / Ice Sensor 090 and Snow/Ice Sensor Socket 091 are used with tekmar controls 665, 667, and 664 to automatically detect snow or ice on a driveway or walkway. The Snow / Ice Sensor Socket must be installed directly in the snow melt slab, halfway between the heating elements or pipes. For installation details see data brochure D 090.
Dimensions (sensor) 1-3/4" H x 3-1/8" W x 3-1/8" D (45 x 80 x 80 mm)
Dimensions (socket) 3-3/4" H x 3-1/2" W x 3-1/2" D (96 x 89 x 89 mm)
Approvals CSA C US with applicable tekmar snow melting controls
Operating range -60 to 175°F (-50 to 80°C)
Sensor NTC thermistor, 10 k? @ 77°F (25°C +/- 0.2°C), ß=3892