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Original Message
RE: Getting accurate stylus force gauge readings
Posted by Peter C on March 15, 2017 at 12:10:24:
I'm not calibrating the gauge, just taring it to zero it out. I'm coming up with .6gm figure because if I just take the VTF reading, I get about 2 gm. If I try to tare it to zero first when the cartridge is hovering above, noting that the gauge fluctuates ever more wildly as the cartridge is brought closer and closer until it's just above the weighing platform, not only are my efforts to zero the gauge unsuccessful, but the reading with cartridge on the platform is about 2.6 gm. The Shure gauge confirms that's not correct. Even with it's inaccuracy, it shows roughly 2gm, although it may say 1.8 or 2.1 or something like that - not precise as we know about the Shure gauge.
Apparently the Benz Ruby 3 has a high magnetic field. I also can't use the VPI platter ring because of its ferrous content, which forcibly draws my cartridge to it - it almost bent the stylus.
Also, I think people are getting confused about the materials used in the digital gauge. It doesn't matter that the gauge platform is plastic and aluminum. I'm contending that the strong magnetic pull is interfering with the electronics within the gauge.