Snow Depth Sensor SHM31

The laser-based snow depth sensor Lufft SHM31 stands for millimeter-accurate snow level detection over long distances in all weather conditions without any maintenance, due to opto-electronic/laser based rangefinder technology.

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Millimeter-accurate snow levels in all weather conditions: The SHM 31 operates with a visible, easy-to-measure measuring beam. The snow depth is given up to 15 meters within seconds, millimeter-accurate and reliable. Various heating functions significantly extend the lifetime of the laser diode and allow high-quality measurement data in all weather conditions. Regular maintenance becomes redundant with the SHM 31. A very robust housing and an elaborate operation principle allows almost no maintenance work throughout the lifetime of the sensor.

Main Features of the Snow Height Sensor Lufft SHM31:

• Parameters measured - snow depth
• Measurement technology - opto-electronic measuring technique (rangefinder; laser distance sensor) with eye-safe laser
• Product highlights - determination of snow depth over long distances, heating options allow high quality measurements in all weather conditions, simplified installation due to automatic inclination angle compensation
• Interfaces - RS485 & RS232 with Modbus RTU, UMB, UMB-ASCII 2.0 & SDI12 protocol

Advantages of the Snow Height Sensor Lufft SHM31:

• Measurement of millimeter-accurate snow levels over long distances
• Various heating functions significantly extend the lifetime of the laser diode and allow high-quality measurement data in all weather conditions
• Compact and weatherproof housing
• Built-in automatic angle meter allows simplified installation.
• Effective suppression of scattered light
• Differentiation between snow and other natural surfaces
• Optical measuring method is independent of temperature or wind fluctuations and thus offers a great advantage over conventional ultrasonic sensors
• Maintenance-free operation: no calibration or exchange of desiccant

• Part of (alpine) meteorological observation stations from weather services around the world
• Traffic and aviation safety, road surveillance
• Snow level detection for winter sport areas
• Water & energy related applications/industry

Specifications Snow Height Sensor Lufft SHM31