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Ultrasonic River Flow Meter KNF-1312, Pipeline Flow Meter
The principle of measuring flow velocity using KNF-1312 ultrasonic Doppler flowmeter technology is to use the physical principle of Doppler frequency
Product details

KNF-1312 Ultrasonic Doppler Velocimeter

Principle of Ultrasonic Flow VelocityUsing the physical principle of Doppler frequency shift to measure water flow velocity and calculate flow rate based on water area width and liquid level.

KNF131超声波流速仪

What is Doppler effect (Doppler shift):
The sound waves emitted by one object are received and reflected by another object. If the object emitting the sound waves is moving relative to the receiving object, the frequency of the sound waves received by the receiving object will differ from the frequency of the emitted sound waves.
If the relative distance between two objects decreases, the received frequency will increase compared to before.
If the relative distance between two objects increases, the received frequency will decrease compared to before.
This Doppler effect often occurs in daily life, for example: when you hear the alarm sound of a police car coming towards you (emitting a sound), the sound will appear to have a higher frequency; And when the police car is far away from you, the sound you hear will become lower.

管道安装示意图河道安装示意图

Product features of KNF-1312 ultrasonic Doppler flowmeter:

Comes with echo curve chart, allowing remote viewing of device status
Complete model specifications, high temperature and high pressure resistance, anti-corrosion and explosion-proof
Fully physically sealed probe, made from high-purity chemical raw materials, with a long lifespan, not afraid of water ingress, and stable measurement.

Application range of KNF-1312 ultrasonic Doppler flowmeter:


  • Irrigation process monitoring
  • Monitoring of Underdrain Process
  • Municipal water supply and drainage
  • Research on estuaries and tides
  • Pipeline sewage discharge
  • River flow monitoring

超声波多普勒流速仪安装案例超声波多普勒流速仪安装案例


Technical specifications of KNF-1312 ultrasonic Doppler flowmeter:

KNF-131超声波多普勒流速仪技术指标

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Kenafu Technology's "IoT Monitoring Cloud Platform" aims to build an efficient, stable, and secure application platform between IoT applications and monitoring devices. It is device oriented, adaptable to various network environments and common data transmission protocols, and has strong practicality, ease of operation, and real-time data performance. It has multiple comparison methods for querying and has good data comparison effects. It is mainly divided into two parts: data query and device management.

Equipment map微信截图_20191024113107

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