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In Reply to: RE: Getting accurate stylus force gauge readings posted by John Elison on March 15, 2017 at 07:45:12
I tried that sort of thing (originally shown by Wally M) with one of my scales, a "My Weigh" a very accurate scale, and it gave me clearly erroneous readings. Seems that it did not take well to the torque imposed upon the platform. As usual YMMV.
Thats' too bad! Mine seems to have perfect accuracy. I have a 5-gram calibration weight and it measures perfectly. I've constructed some smaller calibration weights and they measure perfectly, too.
Wally used to use the "My Weigh" same as mine. I use it off to the side to get to the right height. Also have one like the OP's off ebay for about $10. They measure pretty close, certainly identical for 1/10 gram
Since there is a plethora of digital scales with non-magnetic platforms (see below) and also with platforms that lie in the plane of an LP, unlike the one in the photo, there really is not a problem for a prospective buyer.
My scale does not have a magnetic platform. However, the scale is affected by the powerful magnet in moving coil cartridges, which causes erroneous readings. The platform isn't magnetic, though. If it were, the cartridge would be sucked down to the platform thereby compressing the stylus until the cartridge body was resting on the platform. This doesn't happen. It just gives erroneous readings.
Sorry. If it's not specifically stated, most of the digital scales that are sold under different brand names and made of either plastic or metal, are all the same product under different guises. If it looks like the one shown in the below referenced URL, by Fremer, it's going to have a non-magnetic platform and is designed such that the stylus tip is at least roughly in the same plane as the surface of an LP. Of course, any prospective buyer should take a close look at the specs of THE particular gauge that he or she is going to buy. I certainly haven't vetted every single variation on the theme, and for all I know the very cheapest variations may be magnetic.
but it's $80 compared to the $30 scale john elison showed.
for $50-$60, if you shop. That version has a metal casing, which I like too vs plastic, but the plastic version may work just as well and be just as reliable, for significantly less money. The type of scale shown by Fremer may be a more recent product than the one owned by John and shown in his photo. I don't know for sure. In any case, it's non-magnetic and has its platform more nearly in the same plane as the surface of an LP, when you set it on a platter mat. The cost differential between John's scale and the scale promoted by Fremer at whatever price is a matter for a buyer to consider.
I did not originally intend to argue that one digital scale is better than another, but I do like the digital scales that are on the market much better than the old school Shure SFG. I've got two SFGs lying around, if anyone wants one for the cost of shipment.
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