FIELD: measurement equipment.
SUBSTANCE: invention is related to measurement equipment and may be used for imitation calibration of vortex water counters under conditions that are close to actual operation. Bench comprises two water-filled identical tight cylindrical chambers 1 and 2 with partitions 5 for location of reference (A) and calibrated (B) water counters. One of end walls of each chamber arranged in the form of membranes 3 and 4, is connected to electromagnet drive 6, by means of which identical hydrodynamic events are generated in both chambers. Bench also comprises generator 10 of test signals, PID controller 12, power amplifier 13, time relay 16, unit of signals comparison 11, counter of reference pulses 19, counter of calibration pulses 20.
EFFECT: improved quality and reliability of imitation calibration of vortex water counters.
2 dwg
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