how do you know that the ORP probe is no longer working

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Hello how do we know that the ORP probe no longer works? I have a davey ecosalt redox

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Hello

Do this test: https: // probe-ph-redox- piscine.fr/content/17-ma- probe-redox-est-elle-hors- service-

Hello, what am I reading the mV value on?

You don't have a display on your regulator? Or maybe have leds?

Nn I don't have a display just under or over or good

When you put the probe in the glass of tap water, what do you read?

I don't read anything since I don't have a display just three leds, but I didn't put it in the tap water

Yes, but which led is on?

the one that indicates "below" even by setting the potentiometer to zero

What if you disconnect the probe?

I tried I didn't succeed, is there a special way to remove it?

Have a BNC connector (round)?

it looks like it but when I shoot it turns in a vacuum

Take the connector at the end, press it down and try to turn it counterclockwise

ok I'll try

If it's not going to call me at