FIELD: power engineering and metallurgical industries. SUBSTANCE: process lies in simultaneous supply of gas from source of excessive pressure into two tubes brought into powdery medium whose outlet butts are located at different levels. Pulses of excessive pressure are formed periodically with supply of gas from source of excessive pressure. Difference in pressure differentials between spaces filled with gas in two tubes under constant and pulse supply of gas is determined to find out level of powdery medium. EFFECT: process provides for uninterrupted measurement of level of powdery medium. 1 dwg
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