RADIOISOTOPE COAT THICKNESS GAUGE Russian patent published in 1995 - IPC

FIELD: instrumentation. SUBSTANCE: expanded range of measurements is provided by simultaneous calibration both on forward and exponential sections of calibration characteristic of thickness gauge thanks to insertion into thickness gauge incorporating generator, first counter, decoder, three univibrators, measuring converter, two AND gates, reversible counter, flip-flop, multiplier, subtracter, divider, first multiplexer, register, three master controls and first OR gate of second subtracter, adder, digital comparator, four multiplexers, four master controls and second OR gate. This allows the entire range of measurement to be divided into two sections, each one calibrated separately both as linear or as exponential section of calibration characteristic. EFFECT: expanded range of measurements. 1 dwg