Ultrasonic Snow Depth Sensor

Ultrasonic Snow Depth Sensor

  • 260-700

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The Model 260-700 Ultrasonic Snow Depth Sensor is an inexpensive solution for remotely measuring snow depth or water levels. The sensor works by measuring the time required for an ultrasonic pulse to travel to and from a target surface. An integrated temperature probe with solar radiation shield provides an air temperature measurement for properly compensating the distance measured. An embedded microcontroller calculates a temperature compensated distance and performs an error checking routine.

Both distance and air temperature are output as an analog signal between 0 to 2.5 Volts or 0 to 5 Volts. Measurements can also be output digitally as serial ASCII. Specify analog or digital output at time of order.

Due to the simplified interface, the depth sensor can interface with any datalogger or control system that can delay at least 3 seconds after powering up before measuring the output.

Power+12 to 24 Vdc, 50 mA (maximum sample time 2.4 seconds)
Analog output0 to 2.5 or 0 to 5 Vdc
Digital output1200 baud serial ASCII
Range0.5 to 10 meters (1.6 to 32.8 feet)
Beam width22 degrees
Accuracy±1 cm or .4% distance to target
Resolution3 mm (0.12 inches)
Temperature range-40° to +70°C (-40° to 158°F)
Mounting1/2" galvanized threaded pipe
Size8 x 8 x 13 cm (3 x 3 x 5 inches)
Weight0.6 kg (1.3 lbs)
Cable length7.6 meters (25 feet)
Maximum cable length304 meters (1000 feet) for analog output, 76 meters (250 feet) for digital output
Temperature Sensor Specifications
Accuracy1°C, -40° to +85°C

Depth Sensor Beam Width Example

Ordering information
260-700Ultrasonic Snow Depth Sensor
Specify 0-2.5 or 0-5 Vdc output
Includes 25’ cable
260-700-DUltrasonic Snow Depth Sensor, digital output
260-700-CAdditional Signal Cable, per foot