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December 16, 2020
Announcement on Change of Accuracy Indication for Micrometers
Mitutoyo has changed the terms used to express the accuracy of micrometers, tubular inside micrometers, micrometer heads, and three-point internal micrometers as shown below.
| 1. Description of changes | ||
| Change of indication of accuracy (to support MPE) | ||
| - Applicable models: Micrometers, tubular inside micrometers, micrometer heads, and three-point internal micrometers | ||
| - Reason for change: Changed to indication of accuracy (MPE *1) to conform to the applicable ISO and JIS standards *1 MPE = Maximum Permissible Error |
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| - Details of change: Changed indication of accuracy | ||
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- Accuracy ⇒ Maximum Permissible Error (JMPE)
- Accuracy ⇒ Maximum Permissible Error (JMPE)*While the measuring method will not change, tolerance has changed for some models.
*While the measuring method will not change, tolerance has changed for some models. |
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| - Deleted the expression, “Excluding quantizing error of ±1 count” (digital models only) | ||
| 2. Timing of change: From those shipped from the factory in July 2020 (change to be reflected starting with English version of General Catalog No. E2020) |
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| *Indication of accuracy has changed for products to which inspection certificate is attached. | ||
| 3. Timing of change by inspection/calibration departments From the received order in July 2021, the inspection certificate is issued with the above accuracy description. (Updated on June 28, 2021) |
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