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Dear all,
we have the flow chart recorder which has the ranges of 0-1500 psig for static pressure and 0-200"WC for differential pressure and 0-100C for temperature....
During its calibration there was a positive error in both the static and diff pressures...i.e static and diff pressures were more than actual...our client (buyer) showed serious concerned over this....on the other hand temperature positive error was neglected by the buyer....can anyone explain this?
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Static And Differential Pressure Flow Chart Recorder Error
Started by vista, Aug 24 2012 09:37 AM
1 reply to this topic
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#2
Steve Hall
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Posted 24 August 2012 - 03:03 PM
Probably only your client can explain why he is concerned with only two of the three variables, or if he is concerned with all three but failed to mention the third one with the assumption that you'd get the message that all calibrations must meet their acceptance criteria.
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