FIELD: corrosion protection.
SUBSTANCE: invention can be used to measure the magnitude and rate of corrosion in the area of underground pipelines. The device comprises single indicators having the same cross-sectional area, a switch of single indicators, a resistance meter, memory units, readout registers, units for selecting maximum values, a maximum value register, a data transmission unit, polling and cycle start timers, a control unit, a data readout and indication unit, a cycle start unit, shift registers, corrosion rate calculation units, polling data recording registers, time correction unit, humidity sensor, corrector and preliminary data collection unit.
EFFECT: measuring the intensity of corrosion processes, the corrosion rate in the area of underground pipelines to take preventive measures to prevent accidents and improve the reliability of gas supply.
1 cl, 1 dwg
