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ASTM E 4 : 2013

ASTM E 4 : 2013

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Practices for Force Verification of Testing Machines

Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Superseded by

ASTM E 4 : 2014

Language(s)

English

Published date

01-04-2013

Publisher

American Society for Testing and Materials

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Hardcopy - English
PDF - English
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Committee
E 28
DocumentType
Standard Practice
Pages
10
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1These practices cover procedures for the force verification, by means of standard calibration devices, of tension or compression, or both, static or quasi-static testing machines (which may, or may not, have force-indicating systems). These practices are not intended to be complete purchase specifications for testing machines. Testing machines may be verified by one of the three following methods or combination thereof:

1.1.1Use of standard weights,

1.1.2Use of equal-arm balances and standard weights, or

1.1.3Use of elastic calibration devices.

Note 1—These practices do not cover the verification of all types of testing machines designed to measure forces, for example, the constant-rate-of-loading type which operates on the inclined-plane principle. This type of machine may be verified as directed in the applicable appendix of Specification D76.

1.2The procedures of 1.1.1-1.1.3 apply to the verification of the force-indicating systems associated with the testing machine, such as a scale, dial, marked or unmarked recorder chart, digital display, etc. In all cases the buyer/owner/user must designate the force-indicating system(s) to be verified and included in the report.

1.3The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3.1Since conversion factors are not required in this practice, either inch-pound units, SI units, or metric values can be used as the standard.

1.4Forces indicated on displays/printouts of testing machine data systems—be they instantaneous, delayed, stored, or retransmitted—which are verified with provisions of 1.1.1, 1.1.2, or 1.1.3, and are within the ±1 % accuracy requirement, comply with Practices E4.

1.5This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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