This document is intended to help properly specify what you may need for ISO/IEC 17025 accredited ASTM E74 calibrations to ensure you are getting exactly what you need
Since I became involved in the calibration industry in 1972, calibration interval has been a common topic of interest and confusion. I was asked to write an article for the newsletter & blog, and after some thought, I determined there was no need. Many people have published excellent content on the subject:
The 3 Key Changes to ISO 9001 Compliance and What this Means for Force and Torque Instrumentation
At Morehouse we strive to replicate the loading conditions a customer may be using. Some other labs, may not follow this process and the additional measurement uncertainty from not replicating use, may create significant error source. Below are the top 5 common force measurement errors that may invalidate the calibration results.
We are writing this post to clear some common ASTM E74 misconceptions. We have written two early blogs on the ASTM E74 standard ASTM E74 Simplified, Calculating CMC using ASTM E74 standard and have a slide share presentation detailing the ASTM E74 standard.
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There is a difference in output from Alternating Current (AC) measurements and Direct Current (DC). To show the difference, we used a load cell simulator on two different meters.
It is becoming more and more common to have portable devices that use batteries. This can be a great benefit to someone who wants ultimate portability.
Morehouse load cell alignment plugs are used to help center the load cell in calibrating machines. They are used in combination with the other adapters below. More information on load cell adapters and the mounting accessories can be found here.
Purchasing the "right" load cell system is critical for the application, and obtaining reliable results. Purchasing a system merely based on cost and not looking at the right specifications may result in a complete waste of capital. If the system chosen does not perform well in the environment it is being used, the resulting measurements may not be meaningful.