Measurement deviations of as much as ±ten % for a number of measurements taken on exactly the same drive belt are for a rule not due to a measurement mistake or fault inside the device. Normally, measurement deviations are due to the mechanical tolerances on the travel units. You can https://nseindia85172.bleepblogs.com/32951345/the-smart-trick-of-belt-tension-gauge-tool-that-no-one-is-discussing