FIELD: instrumentation.
SUBSTANCE: at least two state pickups are installed in sewer controlled length zone. Then, readings of pickups are taken and compared with preset thresholds. Said comparison allows decision on sewer length state. Gas analyser is used as state pickup. Note here that all said pickups are arranged at appropriate ends of controlled sewer length and connected with control and data processing unit located outside said sewer controlled length zone. Hence, configured is the measuring complex for control over sewer inner surface corrosion development.
EFFECT: simplified, precise and continuous control process.
2 dwg
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