FIELD: measuring engineering. SUBSTANCE: level indicator has video pulse generator, unit for retuning frequency, pulse transformer, part of coaxial line with matching load, two diode, two pulse shapers, inventor, video pulse amplifier, unit for adding pulses, flip-flop, differential amplifier, integrator, and digital period meter. Primary winding of the pulse transformer is connected between the video pulse generator and part of coaxial line. The secondary winding with grounded middle point is connected with a cathode of first and anode of the second. The matching load is received within a tank. EFFECT: enhanced accuracy of measuring. 1 dwg
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