| [GMCnet] Torque Wrench Calibration at Tallahassee [message #342497] |
Sat, 13 April 2019 11:35  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
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To all those who attempted to calibrate torque wrenches at GMCMI
Tallahassee with my Craftsman Calibrator: I've just finished retesting the
3 sets we attempted to use. With those devices, it is ESSENTIAL to match
the Load Cell with its own Display. Apparently I violated that rule when
we were testing.
What I found during my tests today, using a known accurate bending-beam
torque wrench, was that the Display I normally use, when connected to its
proper Load Cell, is "dead on". The other two, units, in their original
packages, when properly connected, proved to be inaccurate by about the
same percentages we saw at the rally. I've marked both of those as
"Inaccurate".
Sorry for the frustrations. Based on these results and what I remember of
our tests, I think most of your torque wrenches are reasonably accurate --
trust them instead of your "senses".
Ken H.
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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