[Hallb-engineering] Torus polarity probe

David Kashy kashy at jlab.org
Mon May 17 07:10:47 EDT 2010

I consider this a nusiance alarm and it should be data logged but 
removed fromt he on call pager.
The guys in the counting room should be watching the data from the 
detector and know if the torus is working properly.
Please remove it from the pager and keep an eye on the read back. Also 
check it out for a bad connection, or water dripping somewhere...


Steve Christo wrote:
> Between about 3:00am on 5/15 and midnight 5/16 the polarity probe on the 
> Torus was oscillating and giving an alarm based on the signed torus 
> current. The problem seems to have fixed itself and has not resulted in 
> any significant problems. It might be worth while to investigate the 
> cause during the next hall opening.
> Steve
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