Electronics > Beginners
Using TIMM pot with 2 pins
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JS:
Why not to measure in the secondary, very little voltage of course but you are insulated, pot an opamp and go, you can even measure at the electrodes making the highest dynamic range to measure from.

JS

anishkgt:
Not sure how it could be done at the secondary. The secondary would have large current flow as well how can it be bypassed ? I was thinking of the below peak detector.
JS:
Not bypassed, in parallel. Measure the voltage at the secondary.

JS

anishkgt:
I mean there would be a huge current during a spot weld so wouldn't that damage the opamp and those underlying circuitry ?
JS:
No, it would connected in parallel, current wont touch it, not much protection required, the usual to ensure reliability but even without any it should work.

JS

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