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Mountain torrent disaster monitoring and early warning project

2021-08-05

Ecological discharge flow monitoring project

2021-08-05

Ultra-wide river flow monitoring scheme

2021-08-05

Urban Inundation Monitoring Project

2021-08-05

Underground pipe network monitoring project

2021-08-05

Environmental protection and emergency projects

2021-08-05

Ineffective installation of radar level gauges may affect measurements

2021-08-05

Radar level gauges measure material height by emitting radar waves from an antenna, receiving the reflected waves, and calculating the distance. Various obstacles encountered during the emission and reflection of radar waves can reflect the waves, but this is not beneficial to the measurement. Radar level gauges employ technology to minimize interference as much as possible. Improper installation of a radar level gauge can affect measurement results; therefore, necessary reflections should be avoided during installation.

Difference between ultrasonic level meter and radar level meter

2021-08-05

The ultrasonic level meter is a digital level instrument controlled by a microprocessor. During measurement, an ultrasonic pulse is emitted by a sensor (transducer), and the sound wave is reflected by the liquid surface and received by the same sensor or ultrasonic receiver. It is converted into an electrical signal by a piezoelectric crystal or magnetostrictive device, and the distance from the sensor to the surface of the measured liquid is calculated from the time between the emission and reception of the sound wave. Because of the non-contact measurement, the measured medium is almost unrestricted, and it can be widely used for measuring the height of various liquid and solid materials.

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