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Input Type Liquid Level Transmitter
May 16, 2018

The input type liquid level transmitter adopts a high-stability, high-reliability imported sensor chip and a high-precision intelligent transmitter processing circuit. It adopts precision digital circuit technology and nonlinear correction technology, and is a high-precision liquid level measurement product. The waterproof air-guiding cable is sealed and connected to the housing. The vent pipe is inside the cable and can be used for long-term use in liquids. The integrated structure and standardized output signals provide convenience for on-site use and automation control. The product is small in size, light in weight, easy to install and easy to use.

Measuring principle

When the liquid level transmitter is put into a certain depth in the liquid to be measured, the pressure formula of the sensor liquid receiving surface is: P=p.g.H+Po

formula:

P: Pressure on the transmitter's flooding surface

p: measured liquid density

g: local gravitational acceleration

H: Depth of transmitter's input liquid

Po: atmosphere pressure

At the same time, the pressure of the liquid is introduced into the positive pressure chamber of the sensor by gas-guiding stainless steel, and then the atmospheric pressure Po on the liquid surface is connected to the negative pressure chamber of the sensor to cancel the Po on the back of the sensor, so that the pressure measured by the sensor is: pgH, Obviously, the depth of the liquid level can be obtained by measuring the pressure P.

■ Application range

The input level transmitter is suitable for liquid level measurement of various media in petrochemical, metallurgy, electric power, pharmaceutical, water supply and drainage, environmental protection systems and industries.

main feature 

1. Good stability, long-term stability of full scale, zero position. In the compensation temperature, the temperature drift is low.

2. With reverse protection, current limiting protection circuit, the positive and negative poles will not damage the transmitter when it is installed. When abnormal, the transmitter will automatically limit the current.

3. Multiple protection, anti-leakage performance, strong anti-interference ability

4. Solid structure, no moving parts, high reliability, long service life.

5. Easy to install, simple structure, economical and durable.


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    Beijing Gallop Technology Co.,Ltd
    Add:Room410 Tower C, Jiahua Buiding NO.9 Shangdi 3 Street Haidian District, Beijing
    Tel:+86-010-51269778
    Fax:+86-010-62967939
    Mobile:+86-13858586115
    E-mail:13858586115@163.com
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