*mydirectindustry

Catalogs
SOMMER Messtechnik GmbH
Snow Depth Sensor USH-8

Snow Depth Sensor USH-8

Product catalog summary

Introduction
The USH-8 Ultrasonic Snow Depth Sensor is designed for continuous and contact-free measurement of snow depth, crucial for understanding snow cover dynamics influenced by climatic events and terrain characteristics. Proper location selection is vital for representative measurements.

Properties and Benefits

Continuous, reliable measurement even in extreme conditions.
Robust design with a sealed ceramic membrane and integrated lightning protection.
High accuracy with integrated temperature compensation.
Energy-efficient operation, suitable for solar-powered stations.
Easy integration with analogue and digital interfaces.

Measurement Principle and Accuracy
The sensor uses ultrasonic pulse transit-time measurement, with integrated temperature compensation to ensure accuracy. It operates reliably under difficult conditions, such as during snowfall or snow drift, with an accuracy of 0.1% (FS).

Energy-Saving Operation
The sensor automatically switches between measuring and standby modes, minimizing energy consumption, making it ideal for solar-powered stations.

Assembly and Location Selection
Proper assembly and location selection are crucial. The sensor should be mounted at a height of 3m or more, avoiding steep slopes and large obstacles. The field of measurement should be flat and representative of the area.

Technical Data

Measurement range: 0 to 10 m.
Accuracy: 0.1% (FS), resolution: 1 mm.
Operating temperature: -40 to 60 °C.
Power supply: 10.5 to 15 VDC, with low power consumption.
Housing: Anodized aluminium, IP 66 protection.

Integration and Interfaces
The sensor can be integrated into existing stations using analogue (4-20mA) or digital (RS 232) interfaces, with various ASCII protocol formats available.

Conclusion
The USH-8 sensor offers reliable, accurate, and energy-efficient snow depth measurement, suitable for extreme conditions and easy integration into existing systems.

Catalog excerpts

» Continuous and contact-free ultrasonic snow depth measurement » Reliable sensor for extreme conditions • Robust sealed ceramic membrane • Correct measurement during snowfall and snow drift • Protective shield against ice and snow hangings • Integreated lightning protection » High measuring accuracy • Integrated temperature compensation » Energy-saving sensor operation • „Standby" between the measuring phases • Optimum for solar-powered stations » Simple sensor integration • Analogue and digital interface • Parameterization via hyper terminal

Open the catalog to page 1

Introduction Basis of snow depth measurement The measurement of snow depth is an important parameter for the measurement of the snow cover in the terrain. Its formation is subject to strong variance, based upon time and space factors. Influencing factors here are the development of snow cover, under the influence of further climatic events (air temperature, wind, global radiation), the characteristics of the land, as well as the spatial distribution of precipitation in an area. Because of these factors, the selection of a suitable location for measurement is decisively responsible for whether...

Open the catalog to page 2

Selection of the measuring location The right selection and positioning of the measuring location is of very great importance. The field of measurement to be recorded should be most preferably flat, protected from wind and secured against avalanches. Steep hillsides, hollows, terrain edges or large rocks in the immediate vicinity of the measuring location should be avoided. Steeply sloping fields of snow harbour the danger that the snow cover could begin to slide, thereby falsifying the measuring results. To ensure a problem-Assembly The sensor has already been calibrated (temperature compensation)...

Open the catalog to page 3

Open the catalog to page 4

All SOMMER Messtechnik GmbH catalogs and technical brochures

Archived catalogs

PTB110 - Barometric Pressure Sensor
1 Page

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list