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UT210E Problem measuring AMPS!!! :(

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Fungus:

--- Quote from: marce002 on May 11, 2020, 01:57:30 pm ---FUNGUS

you said Switch it to 5A and wave a strong magnet near it to see if if goes down towards zero (try both poles of the magnet).When it's near zero, switch to 2A and repeat.

i did, i get a perfect 0.000, then I switch to 2A and it is close to 0 too, but doing it forever I think wont solve the offset at all.

--- End quote ---

At least you confirmed what the problem is.

cdev:
If I were you I would just make a coil with a bunch of nails and a long piece of thin wire. You can energize it with a transformer, dont use mains voltage. You dont need a super lot of power and indeed, less is more in this situation. You'll likely not need a degausser that often.


You dont want to damage the UT210e

joeqsmith:

--- Quote from: cdev on May 11, 2020, 11:39:32 pm ---If I were you I would just make a coil with a bunch of nails and a long piece of thin wire. You can energize it with a transformer, dont use mains voltage. You dont need a super lot of power and indeed, less is more in this situation. You'll likely not need a degausser that often.

You dont want to damage the UT210e

--- End quote ---

Obviously no want wants to damaged any of their equipment.  I suspect you meant damage it from something to do with magnetizing the head or degaussing it.   Care to explain?

As far as what's required, I was using about 600 gauss peak with a half second decay. 

Electro Detective:
Would an old school hand held tape head demagnetizer do the same trick ?

I would assume to switch it on first from a distance,
gradually approach the clamp area,
give it a slow magic wand job pass or two
and back off slowly, then switch it off when far far away,
say 2 or 3 meters ?   :-//

Fungus:

--- Quote from: Electro Detective on May 12, 2020, 09:22:51 am ---Would an old school hand held tape head demagnetizer do the same trick ?

--- End quote ---

Very likely.

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