Installation of the submersible level gauge in the static and flowing environment of the liquid to be measured

by:Kaidi Sensors     2022-10-16
The submerged liquid level gauge, also known as the submerged liquid level transmitter, uses a diffused silicon piezoresistive pressure sensor with a stainless steel isolation diaphragm as a signal measuring element to accurately measure the hydrostatic pressure proportional to the liquid level depth. And replace it with standard 4-20mA current output, establish the linear correspondence between the output signal and the liquid depth, and realize the accurate measurement of the liquid depth. The static pressure liquid level gauge is small in size, high in precision and easy to use. It can be directly put into the liquid to measure the liquid level height from the end of the transmitter to the liquid level. Therefore, it is called a submersible level gauge. If the submersible level transmitter needs to be installed in a static deep well or a pool, the usual practice is to punch a steel pipe with an inner diameter of about φ45mm (different heights). pipe) fixed in the water, and then put the submersible level transmitter into the steel pipe and it can be used. When the submersible liquid level transmitter measures the liquid level of a flowing or agitated liquid, usually a steel pipe with an inner diameter of about φ45mm (a number of small holes at different heights on the opposite side of the liquid flow direction, so that the water can enter the pipe smoothly) is fixed in the water, and then Put the submersible level transmitter into the steel pipe and it can be used. It can effectively reduce the influence of the pressure difference of the water flow on the measurement. The installation direction of the submersible liquid level transmitter is vertical, and the submersible installation position should be far away from the liquid inlet and outlet and the agitator. When the submersible level transmitter is used where there is large vibration, a steel wire can be wrapped around the transmitter, and the steel wire can be used for shock absorption, so as to avoid breaking the cable. Turn off the power supply, stop using it, and check the power supply. When connecting the power supply, it should be connected in strict accordance with our company's wiring instructions. Avoid the pressure directly impacting the probe when the liquid flows down, or use other objects to block the immediate impact pressure when the liquid flows down. Try to stay away from high-power equipment, avoid the influence of strong magnetic field interference on accuracy, and keep the level gauge within the normal temperature range, otherwise it will seriously affect the accuracy and service life of the submersible level transmitter, resulting in a long-term temperature drift phenomenon. It may directly burn out the submersible level transmitter.
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