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  1. Newbie
    Interested in Language
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    #1

    breaking the loop

    Measure 4 to 20 mA signals without "breaking the loop"
    what does breaking the loop means in the sentence?


  2. Raymott's Avatar
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    #2

    Re: breaking the loop

    Quote Originally Posted by Diddyhairdo View Post
    Measure 4 to 20 mA signals without "breaking the loop"
    what does breaking the loop means in the sentence?
    You don't want to give us any context?
    OK, then it means don't break the electrical circuit. Measure the amperage without disconnecting the current.
    If it doesn't, you might have to help a bit.

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    #3

    Re: breaking the loop

    Yes, that is what it means. This is right up my alley. Normally, to measure electrical current you need to pass the current through the meter. This means you need to disconnect the circuit from use and re-arrange it so that the meter is in series with the original circuit.

    This can be cumbersome and impossible when working on live, functioning instrumentation. If you want to verify a current reading, but interrupting the circuit will cause a malfunction, or cause an operating plant to have an emergency shutdown.

    In this case it is very nice to have a meter which allows you to measure these currents without having to break the circuit.

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