APPARATUS FOR CALIBRATION/GRADUATION AND DETERMINATION OF METROLOGICAL CHARACTERISTICS OF LEVEL MEASURING CHANNEL IN POLYMETRIC SYSTEM

摘要

An apparatus for calibration/graduation and determination of metrological characteristics of level measuring channel in polymetric system includes distance setting facility and facility for distance recording and formation of reflected measuring signal. The distance setting facility is arranged, e.g., as at least one finite measure of length installed in parallel to the waveguide of primary transformer as two-wire transmission line. Additionally block for control of the process of determination of metrological characteristics is incorporated, this can be programmed and performs control of the temperature controller that changes the temperature of electronic block of polymetric system with facility for formation of reflected pulses, those are at different known distances from the generator of probing pulses of polymetric system.