Astm E83 Pdf -
It includes , which provides specific guidelines for the setup and verification of video-based extensometers.
The search for often signals a need for authoritative information on verifying and classifying extensometer systems. This article has provided that information in depth, covering the standard’s scope, classification system, verification procedures, relationship to other standards, and official purchasing channels. The six error classes (A through E) and three gage-length types (1 through 3) form the backbone of extensometer specification worldwide.
Plot verification data visually against the targeted Class B-1 or Class B-2 boundary lines to immediately flag inconsistencies. 4. Annex A1 (Specific to Optical Systems)
Verification must be performed by an accredited calibration technician, typically using a specialized micrometer fixture known as an . The calibration apparatus itself must be traceable to a national standards institute, such as NIST (National Institute of Standards and Technology). Step-by-Step Verification Workflow astm e83 pdf
The active version of ASTM E83 can be securely purchased and downloaded from: The official ASTM International website.
One of the most important parts of ASTM E83 is its classification system. An extensometer system’s performance is not described simply as "good" or "bad," but is graded into specific .
The standard applies to instruments that indicate or record values proportional to changes in length corresponding to either tensile or compressive strain. It does not, however, serve as a complete purchase specification—meaning it doesn't tell you how to buy an extensometer, but rather how to verify that the one you have performs as required. It includes , which provides specific guidelines for
Records of the failed verification should be retained as part of your equipment history.
This article provides an in-depth breakdown of the ASTM E83 standard, explaining why it matters, how calibration works, and what to look for when downloading or using an reference document in your testing facility. What is ASTM E83?
For engineers, technicians, and quality control managers, having access to the is essential for maintaining compliance with testing standards like ASTM E8 (tension testing of metals). This article provides a comprehensive overview of the standard, its classifications, and how to verify extensometers. What is ASTM E83? The six error classes (A through E) and
| | Purpose | Relation to ASTM E83 | | :--- | :--- | :--- | | ASTM E4 | Verification of testing machines (load frames) | Complementary; E4 covers the force-measuring portion, while E83 covers the strain-measuring portion | | ASTM E251 | Calibration of bonded resistance strain gages | Excluded from E83; different methodology | | ASTM E8/E8M | Tension testing of metallic materials | Often references E83 for acceptable extensometer classes | | ASTM D638 | Tensile properties of plastics | References E83 for strain measurement | | ASTM E9 | Compression testing of metals | References E83 for compression strain measurement | | ASTM E1856 | Guide for computerized data acquisition systems | Related but not directly equivalent | | ASTM A370 | Mechanical testing of steel products | Incorporates E83 by reference |
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