Pneumatic level gauge
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May I ask who knows which company in China has developed a pneumatic level gauge?
WIKA and E+H both have manufacturers in China
I modified it myself using a pressure transducer to measure the liquid level in the pit. Pretty accurate.
Isn’t a blow-type one just an ordinary pressure change? Is it also needed to be custom-made? The key is that the gas supply you provide needs to have voltage stabilization, and this aspect must be handled properly.
Shanghai Fuling H&B2000L is specialized in blow measurement. It is far ahead in the use of H&B2000L products, especially in the chemical industry.
I’ve used Miaosite’s Beijing version – it’s a domestic product, inexpensive and effective
It involves using a throttling element to blow air at a constant rate toward the bottom of the tank; a pressure measurement port is placed behind the throttling element, and a pressure transducer is used to take readings, with the range being adjusted accordingly to measure the liquid level. The principle is simple, and the pressure transducer is robust and reliable.