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Old 28-04-2012
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Default Sparky help please...

When testing sensors etc, why do you have to use an analogue meter? Why can't a digital meter be used?

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Old 28-04-2012
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at guess maybe the digital sends to much current down it to handle?
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Old 28-04-2012
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A digital meter is best used for measuring a static value

an analouge meter is best for measuring a dynamic value this is because the eye can easily detect the change on a needle that moves

most sensors have a range they operate in sometimes they even end up with a dead spot in the middle with an analogue gauge as you take the sensor through its range you will see a dip of the needle but with a digital meter numbers moving they jump around so much good chance you will miss any real change pattern
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Old 28-04-2012
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Cool, thank you...
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Old 29-04-2012
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Quote:
Originally Posted by AussieCJ7 View Post
A digital meter is best used for measuring a static value

an analouge meter is best for measuring a dynamic value this is because the eye can easily detect the change on a needle that moves

most sensors have a range they operate in sometimes they even end up with a dead spot in the middle with an analogue gauge as you take the sensor through its range you will see a dip of the needle but with a digital meter numbers moving they jump around so much good chance you will miss any real change pattern
Yup what he said

(someone went to school ....)
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