Lufft SHM31 Snow Depth Sensor
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OTT HydroMet

Lufft SHM31 Snow Depth Sensor

Laser-based snow-depth sensor delivering millimetre-accurate snow level up to 15 m in all weather.

Pricing
Request a quote for current pricing, lead time and delivery to your airport.

The Lufft SHM31 (8365.30) is a laser-rangefinder snow-depth sensor that delivers millimetre-accurate snow-level readings up to 15 m within seconds, independent of temperature or wind. It includes heating functions that extend laser-diode life and enable measurement in all weather, plus a built-in angle meter for simplified installation. It supports three communication interfaces, two usable simultaneously.

Specs at a glance

Technical specifications.

Snow depth measuring range up to 15 m
Millimetre-accurate, laser/opto-electronic rangefinder
Communication interfaces RS232, RS485 and SDI-12 (two usable simultaneously)
Compatible with Lufft UMB protocol
Heating functions to extend laser-diode lifetime / all-weather operation
Built-in automatic angle meter; maintenance-free (no desiccant exchange)
Best for

Use cases.

  • Snow-depth monitoring at airports and aerodromes in winter operations
  • Avalanche and alpine weather stations
  • Hydrological and climate monitoring networks