What is this level gauge?
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What type of level gauge is this one located above the tank? There is a wind line connected to it below; what is the purpose of this wind line? Thank you, looking forward to your participation
Ultrasonic level gauges; the function of air ducts is mainly to purge air and prevent foreign objects from sticking to the probe, which could affect the measurement.
It seems to be a radar, or an ultrasonic level gauge
Ultrasonic level gauge + gas pipeline. Inject an inert gas or purge.
It should be a radar level gauge with a backflushing function added
Radar level gauge, with purge cleaning function
Back-blow type level gauge, utilizing the law of constant current ratio