Snow depth detection sensor

Snow depth detection sensorIt is a device that uses the principle of ultrasonic reflection to achieve non-contact snow depth measurement. Its core principle is to emit ultrasonic pulses and receive reflected signals, measure the time difference between the emission and return of sound waves, and accurately calculate snow depth by combining sound velocity information. The following analysis is conducted from four dimensions: working principle, technical advantages, application scenarios, and typical models: high-frequency ultrasonic pulses (usually 40kHz to 50kHz) are emitted by a transmitter, which propagate through the air to the surface of the snow layer and are reflected before being captured by a receiver. The sensor calculates the distance from the sensor to the snow surface by measuring the time difference between the transmission and reception of ultrasonic waves, combined with the known sound velocity (which is about 343 meters per second in air and needs to be corrected in real time due to temperature). Subtracting the initial installation height from the real-time measurement distance can obtain an accurate snow depth value. For example, if the sensor is installed at a height of 3 meters and the real-time measurement distance is 2.5 meters, the snow depth is 0.5 meters.

1、 Product Introduction

XL2 ultrasonic snow depth sensor is a sensor that uses ultrasonic technology to detect the distance of snow surface. The sensor adopts an integrated capacitive electrostatic transducer probe design, which has high sensitivity, strong anti-interference ability, and high accuracy.

2、 Technical indicators

Power supply: DC12V

Working environment: -40-60 ℃, humidity ≤ 100%, no condensation

Communication interface: RS485

Working current: 18mA DC12V

Shortest data interval: 0.2S

Shell material: Aluminum alloy material

Range: 0-2000mm

Measurement resolution: 1mm

Accuracy: 1mm ± 0.2% F.S

3、 Product dimension diagram

4、 Product usage

The installation location of the equipment should be chosen in an open area

The installation of the cross arm of the equipment should ensure a minimum of 1M

There should be no obstructions above the equipment

The distance from the equipment to the ground level should be within 20cm to 200cm. To ensure measurement accuracy, a recommended distance of 100cm is recommended

The equipment installation bracket should be kept level, and the reflective ground of the sensor should be treated horizontally. The reflection point should be within a radius of 1 meter to avoid interference from weeds