Online monitoring device for insulating joint of long oil and gas transmission pipeline

The utility model relates to an on-line monitoring device for an insulated joint of a long oil and gas pipeline, which comprises an explosion-proof box body, and a power supply module, a host module and a lightning protection module are arranged in the explosion-proof box body. Two ends of the host...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	DAI BIHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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