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Tekmar BACnet Sensor Interface, Snow/Ice Sensor

SKU: 681

$1,115.00 

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Product Details

Tekmar 681

The BACnet snow/ice sensor interface 681 is designed to measure the presence of snow/ice and interfaces with the building automation system (BAS) to operate electric or hydronic snow melting systems. The 681 uses tekmar sensor technology to automatically detect snow or ice and upon detection communicates with the BAS through BACnet MS/TP. This operation allows the BAS to automatically turn on-off and provide operational status for a snow melting system. The 681 is suitable for any snow melting commercial application including, hospitals, schools, airports, ski resorts, business entrances, driveways, loading docks and shopping malls.


  • Finish Blue
  • UPC 779655068108
  • Online Product ID 10280895
  • Width 5.13"
  • Height 6.34"
  • Depth 1.28"
  • Warranty 3 years Limited
  • Prop65 Warning Warning: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
  • Ambient Temperature Range -4 to 122 degree F
  • Communications Type BACnet MSTP
  • Control Type Microprocessor
  • Display 3.5'' Color Touchscreen
  • Enclosure Material Abs,Polycarbonate
  • Includes Snow/Ice Sensor 090, Snow/Ice Sensor Socket 091 or Snow Sensor 095, Slab Sensor 072
  • Indoor Outdoor Outdoor
  • Nema Rating NEMA 1
  • Power Supply 24 VAC, 50/60 Hz
  • Relative Humidity <90 percent Non-Condensing
  • Safetylist FCC Part 15, BTL Listed
  • Sensor NTC Thermistor, 10 kOhm at 77 degree F (25 degree C plus /- 0.2 degree C) Beta = 3892
  • Shipping  4.3 lbs.

Additional information

  • Slab target temperature
  • Automatic snow/ice detection
  • Supports both in-slab and retrofit aerial sensors
  • Supports both DIN rail and backplate mount
  • Error codes
  • Warm weather shut down
  • Melt pending
  • Cold weather cut-out
  • BACnet MSTP communication

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