I've been looking to buy a digital torque adapter to use with my wrench, as an alternative to a click torque wrench.

I know that click torque wrenches requires calibration after ~1000 clicks or one year since last calibration. I've been trying to find information about if a digital torque adapter requires calibration and how often, but I had no luck.

2 Answers 2


Yes they do.

Annually at least, and the good ones are sold with calibration certificates from new.

  • Are you talking about digital torque wrench or digital torque adapter? I can't find any information about calibrating a digital torque adapter.
    – Zedzdead
    Nov 15, 2019 at 1:20
  • 1
    Any device doing that type of task gets calibrated especially in a production environment - called quality control...
    – Solar Mike
    Nov 15, 2019 at 5:30

Depends on how accurate you want it to be. Every measuring instrument is regularly calibrated for a serious quality assurance program . I expect there are QA books on the subject. On the otherhand for a home garage ,as answered, once a year is enough if it is regularly used ; and the first calibration sound be when it is new.

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