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SNOW DEPTH SENSOR USH-9

Make:   Sommer    Model:  USH-9
✅ Continuous and non-contact measurement.
✅ Reliable sensor for extreme environmental conditions.
✅ Robust, sealed and maintenance free ceramic membrane.
✅ High level of accuracy.
✅ Energy-saving operation through sleep modus.
✅ Ideal for solar-powered measuring stations.
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PRECISE SNOW DEPTH MEASUREMENT BY MEANS OF ULTRASONIC TECHNOLOGY

The USH-9 is an ultrasonic sensor for the precise, continuous and non-contact recording of snow depths. The robust design, a special ultrasonic head as well as and extremely low energy consumption make the USH-9 a very suitable system for extreme weather conditions and so for alpine and high alpine terrain.

FIELDS OF APPLICATION

The USH-9 is especially suitable for extreme weather conditions and so for alpine and high alpine terrain. Its high operational safety enables a permanent and reliable recording of measurement values, for which reason it is commonly used by meteorologists, avalanche warning services, ski regions, research stations and the energy sector.

IMPLEMENTATION

The snow depth is an important parameter for evaluating the snowpack. It must be measured regularly as the development of the snowpack is subject to strong regional and temporal fluctuations and significantly influenced by actual weather Ultrasonic Measurement of Snow Depth conditions (snow or rainfall, air temperature, wind, etc.). The USH-9 is a non-contact device and therefore does not compromise the snow pack. It can measure depths of up to ten meters continuously and with convenient remote data transmission if needed.

Make

Sommer

Model

USH-9

General Specification

:-

Weight (Mass)

1.2 kg

Dimension

Ø180 x 320 mm

Output

RS-485 ASCII / Modbus RTU
SDI-12
2 Analog outputs 4…20 mA (14 bit, max. load 250 Ω)

Power Supply

9…28 VDC; Reverse voltage protection, overvoltage protection

Power Consumption

Sleep mode: <0.4 mA
Active measurement: typically 40 mA (max. 300 mA for 0.05 s)
Shield heating (optional): 1 A

Operating Environment

Operating temperature : -40…60 °C (-40…140 °F)
Storage temperature : -40…60 °C (-40…140 °F)

Measurement Range

0.7…10 m

Resolution

1 mm

Material

Anodized aluminium

Protection Level

IP 64

Snow Depth

Near blanking distance : 0.7 m
Accuracy : max. ± 1cm; typically 0.1% FS
Non-linearity : ≤0.15%
Measurement duration : 2…20 s
Measurement interval : 20 s…3 h
Measurement principle : Ultrasonic (frequency 50 kHz)
Beam aperture : 12°

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