FID

Hi,

When FID is off on the 7890 B , and want to measure a flow on the top of the FID, how do I know the High voltage DC is off, 

Thanks

Chrisnic

  • Hi

    When FID is off means no flame.

    Voltage applied during ignition and while FID OFF so ignitor also Off..

    When ignitor off then voltage also off...

    Hope, it's clear to you..

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