USH-9 Snow Depth Sensor

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Accurate Snow Depth Measurement with Ultrasonic Technology The USH-9 ultrasonic sensor offers precise, continuous, and non-contact snow depth measurement. Its durable design, specialized ultrasonic head, and ultra-low energy consumption make it an ideal solution…  Read more

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Physical and environmental

Power supply

9...28 VDC; Reverse voltage protection, overvoltage protectio

Power consumption at 12 VDC

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

Outputs

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

Operating temperature

-40…60 °C (-40…140 °F)

Storage temperature

-40…60 °C (-40…140 °F)

Environmental humidity

0…100 %rH

Protection rating

IP 64

Lightning protection

Integrated protection against indirect lightning with a discharge capacity of 0.6 kV peak

Housing material

Anodized aluminium

Mounting bracket

Ø32…60 mm

Size Ø x H

Ø180 x 320 mm

Weight

1.2 kg
 

Snow depth measurement

Measurement range

0.7…10 m

Near blanking distance

0.7 m

Accuracy

max. ± 1cm; typically 0.1% FS

Resolution

1 mm

Non-linearity

≤0.15%

Measurement duration

2…20 s

Measurement interval

20 s…3 h

Measurement principle

Ultrasonic (frequency 50 kHz)

Beam aperture

12°
 

Temperature measurement

Temperature sensor

Pt1000 with radiation shield

Measurement range

-40…60 °C (-40…140 °F)

Accuracy

0.3 °C

Resolution

0.01 °C
  • Alt

    LSH-10 Laser Snow Depth Sensor

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Accurate Snow Depth Measurement with Ultrasonic Technology

The USH-9 ultrasonic sensor offers precise, continuous, and non-contact snow depth measurement. Its durable design, specialized ultrasonic head, and ultra-low energy consumption make it an ideal solution for use in harsh weather conditions, particularly in alpine and high-altitude environments.

Applications

Designed for extreme conditions, the USH-9 performs reliably in alpine and high-mountain terrain. Its dependable operation ensures continuous and accurate data, making it a trusted tool for meteorologists, avalanche monitoring teams, ski resorts, research facilities, and the energy sector.

How It Works

Snow depth is a critical factor for assessing snow pack conditions, which can vary widely based on weather factors like precipitation, temperature, and wind. Regular measurements are essential, and the USH-9 delivers this without disturbing the snow pack thanks to its non-contact ultrasonic technology. It measures depths of up to 10 meters with continuous accuracy and offers remote data transmission for added convenience.

  • Continuous, Non-Contact Measurement: Provides accurate, uninterrupted snow depth readings without disturbing the snow pack.
  • Built for Extreme Conditions: Designed to perform reliably in harsh environments, including high alpine terrain.
  • Maintenance-Free Durability: Features a robust, sealed ceramic membrane with a protective shield to guard against ice and snow buildup.
  • Exceptional Accuracy: Integrated temperature compensation and advanced spectrum analysis ensure precise measurements by filtering out snow and rainfall interference.
  • Energy-Efficient Operation: Sleep mode conserves energy, making it ideal for solar-powered monitoring stations.