We have torque wrenches at work that are decades old, get annual calibration and are absolutely spot on. This is a bargain and if I was in London I would snap it up(!).
Is there somewhere obvious you can get wrenches calibrated?
https://letmegooglethat.com/?q=torque+wrench+calibration+near+me
We use a company called Avon dynamics, there are loads of calibration houses dotted around.
We also calibrate some ourselves using master calibration transducers that get calibrated by Norbar (who are considered the gold standard).
@hugo7 started
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We have torque wrenches at work that are decades old, get annual calibration and are absolutely spot on. This is a bargain and if I was in London I would snap it up(!).