The diagnostic device is designed to measure the electrical resistance of thermal polyurethane foam insulation of steel pipelines. Data on the electrical resistance of thermal insulation are transmitted to the server of the LoRa information network.
NameReference
Number of monitored pipeline sections 2
Maximum length of the monitored pipeline section, m300
Resistance measurement range, kOhm from 1 to 1000
Limits of absolute error of resistance measurement in measurement ranges, kOhm
- from 1 to 10 kOhm±1
- from 10 to 100 kOhm±10
- from 100 to 1000 kOhm±20
Frequency of data transfer to the server, sots 10
Antenna included
Maximum output power of the transmitter, mW25
Range of radio communication with the base station in line-of-sight conditions, m to 15000
Limits of absolute error of clock rate, s/day±1
Power supply built-in battery
Connection of external circuitsterminal connectors
Operating temperature range of ambient air, 0? from -40 to + 75
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