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I always liked the Simpson 260 even though the Triplett 630 was clearly superior.
I do have a 630-NA with a serious problem. The pointer will not sit on zero or full scale. Other locations are fine. For a long time I thought it was a static electricity issue but now I lean more toward thinking it's a bad movement. I had a 630 I gave to a friend which actually is almost dead on accurate, unlike the 630-NA. I don't know what to do about this, as the meter is basically terrific. I love the 1/2 ranges, the accuracy specs, and the available ranges.
I modified my unit because obtaining the 30 V battery was getting to be a problem. I made a little supply from a wall wart I had laying around and mounted an almost invisible power jack on the meter case. Works great and will never need another 30 V battery. Info and pics can be made available to anyone interested.
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