>unfortunately there is no polarity "standad" for ohmmeter test leads
>but very frequently for DVM's they do seem to have the positive tied
>to the positive test lead. (I seem to remember old analog
>multimeters are often the other way round) If the meter red lead is
>positive when testing Ohms then your assumption above is correct. If
>you want to do a very simple test before soldering it in, so that
>you are guaranteed to get it right do the following: get a resistor
>of about 1K Ohm (any value from 1 to 10k would also work). hook it
>up to the silver oxide battery positive terminal . Connect the other
>end to your terminal X . Connect terminal A to the battery negative.
>You can just get somebody to hold the pieces in contact. Measure the
>voltage accross the diode it shouild be about 220mV or so (if 1k is
>used, or 160mV or so if 10k used). If it is 1.55-1.6V then you need
>to swap terminals for your installation (or you are not making good
>contact with the resistor!)
Thanks Tim, I'll give that a go.
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