Source for Torque Wrench Calibration?

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You should be able to find a place relatively local. Shops that do that stuff are all over.

I paid $47 for 250ftlbs up to $88 for 2000 ft lbs locally.
 
See if you can pick up one of the older beam-type torque wrenches with a pointer for calibration checks. Connect the business ends together with a socket with the handles side by side. Apply torque and see if it clicks at the desired setting.
 
Originally Posted by SubLGT
After 30+ years of very light use, I want to get my Snap-On 1/2"dr, 200 ft-lb click type wrench calibrated, at a reasonable price. An online search shows prices ranging from $40 to $200. In the $45 to $50 range are these two shops:

https://anglerepair.com in West Virginia

https://www.teamtorque.com/torque-wrenches in North Dakota


Anyone here have experience with either of the above calibration shops?


Every SnapOn truck I have seen has a torque wrench checker inside. Just check it on the truck. If it is off, then worry about having it calibrated. All of mine (4 various snapon of various years) are all still within 2%.
 
Originally Posted by Leo99
https://www.youtube.com/watch?v=kGbCzm8lrKE



That method in the video is naive. I agree 100% with a critical comment that was posted on youtube:

Quote
Congratulations! You just used a mid-price CALIBRATED torque wrench to test the LEAST EXPENSIVE, UNCALIBRATED, dìgital luggage scale you could find. Just because something is digital does NOT mean it is "accurate". A proper torque wrench calibration uses a calibrated work station, measures at least three points, and may do it in both directions. You tested the cheapest possible luggage scale with a cast iron weight at one point. But you do not know the true mass of the weight because IT is not calibrated. Since you adjusted the torque wrench based on measurements by two UNCALIBRATED devices, you now have no idea how your torque wrench is actually performing.
 
Originally Posted by SubLGT
Originally Posted by Leo99
https://www.youtube.com/watch?v=kGbCzm8lrKE



That method in the video is naive. I agree 100% with a critical comment that was posted on youtube:

Quote
Congratulations! You just used a mid-price CALIBRATED torque wrench to test the LEAST EXPENSIVE, UNCALIBRATED, dìgital luggage scale you could find. Just because something is digital does NOT mean it is "accurate". A proper torque wrench calibration uses a calibrated work station, measures at least three points, and may do it in both directions. You tested the cheapest possible luggage scale with a cast iron weight at one point. But you do not know the true mass of the weight because IT is not calibrated. Since you adjusted the torque wrench based on measurements by two UNCALIBRATED devices, you now have no idea how your torque wrench is actually performing.


Exactly right. Just find a local calibration lab and have it calibrated. You will get no benefit from an "ISO" calibration, ask for the cheapest calibration with data.
 
Originally Posted by SubLGT
Originally Posted by Leo99
https://www.youtube.com/watch?v=kGbCzm8lrKE



That method in the video is naive. I agree 100% with a critical comment that was posted on youtube:

Quote
Congratulations! You just used a mid-price CALIBRATED torque wrench to test the LEAST EXPENSIVE, UNCALIBRATED, dìgital luggage scale you could find. Just because something is digital does NOT mean it is "accurate". A proper torque wrench calibration uses a calibrated work station, measures at least three points, and may do it in both directions. You tested the cheapest possible luggage scale with a cast iron weight at one point. But you do not know the true mass of the weight because IT is not calibrated. Since you adjusted the torque wrench based on measurements by two UNCALIBRATED devices, you now have no idea how your torque wrench is actually performing.



Tie 2 to 5 gallons of water together and calibrate your luggage scale. It's not rocket science and close enough for most purposes. Are we working on the space shuttle or snugging up an oil drain plug?
 
Last edited:
Originally Posted by Leo99
Originally Posted by SubLGT
Originally Posted by Leo99
https://www.youtube.com/watch?v=kGbCzm8lrKE



That method in the video is naive. I agree 100% with a critical comment that was posted on youtube:

Quote
Congratulations! You just used a mid-price CALIBRATED torque wrench to test the LEAST EXPENSIVE, UNCALIBRATED, dìgital luggage scale you could find. Just because something is digital does NOT mean it is "accurate". A proper torque wrench calibration uses a calibrated work station, measures at least three points, and may do it in both directions. You tested the cheapest possible luggage scale with a cast iron weight at one point. But you do not know the true mass of the weight because IT is not calibrated. Since you adjusted the torque wrench based on measurements by two UNCALIBRATED devices, you now have no idea how your torque wrench is actually performing.



Tie 2 to 5 gallons of water together and calibrate your luggage scale. It's not rocket science and close enough for most purposes. Are we working on the space shuttle or snugging up an oil drain plug?


For a group of people who are so anal about motor oil, there seems to be a disdain for other important factors in auto maintenance.
 
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