Radar Level Transmitter
Radar Level Transmitter
(OP)
We are having an issue in with Radar level transmitters on a slurry tank at our plant in fort mcmurray Alberta. The temperature has dipped to -35 C the last few nights and 2 normally reliable radar level transmitters have begun dropping out. When steam heating is applied to the electronic modules they begin tracking again. Obviously this is a temperature issue (even though these units are rated for - 40 C). I was just wondering if anyone had experience something similar and had any thoughts on whst part of the electnics is causing the signal lose. The transmitters are rosemount 5400 series.





RE: Radar Level Transmitter
http://www.astroshow.com/dewtell/dewtell.htm
http://www.baihp.org/pubs/nightcool/index.htm
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RE: Radar Level Transmitter
Is it possible that the temperature inside the tank/silo/vessel dropped below the dewpoint and that the resulting condensation on the antenna is eating up your RF signal?
If the electronics are rated to -40, I suspect that a reputable design would work to that temperature, but the electronics' operation is predicated on a dry antenna.
RE: Radar Level Transmitter
RE: Radar Level Transmitter
With this, retrofitting a inspection hole and hooking up steam tube to periodically clean, blow through the surface and eventually heats up the transmitter when sailing at cooled climate regions.
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