01-27-2017, 02:22 PM
Maybe this is too little, too late, but you can always check any of the Philco shadow meters by briefly connecting a 9V battery. That should be enough to make the meter deflect real well. If it deflects you know the meter is good (though the magnet may still be weak). If it doesn't deflect at all, something is wrong with the shadow meter.
Mark K8KZ
Mark K8KZ