Portable/Field Testing

Multipoint Scanning Snow Sensor Reliably Detects the Onset of a Snow Event

Nov 08 2016 Comments 0

Campbell Scientific (UK) are pleased to introduce the SDMS-30, a powerful and cost-effective 2D multipoint, laser-based snowfall sensor. The SDMS-30 snow gauge captures raw data at 36 sample points along a circular shaped path, before applying filtering and processing algorithms to report a meaningful average snow depth; the 36 individual measurements can also be reported.

The multipoint measurement system allows the SDMS-30 to be used on natural ground or on snow plates with the system auto-zeroing based on the 36 measurements points. The system automatically ignores from its average any sample points that measure outside of expected change parameters, for instance, if obstructed.

A key feature of the device is its ability to quickly and reliably detect the onset of a snow event – both snowfall and snowmelt. The device has been extensively field proven over three harsh Canadian winters before being brought to market.

The sensor features SDI-12 communication for simple operation along with RS232 and RS485. With a compact design, installation is straight-forward with the device simply attaching to a mast, tower or other structure and the unit can easily be integrated with an existing weather station.

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