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ASTM E74

Revision 13A, May 1, 2013

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Standard Practice of Calibration of Force-Measuring Instruments for Verifying the Force Indication of Testing Machines



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Product Details:

  • Revision: Revision 13A, May 1, 2013
  • Published Date: May 1, 2013
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 18
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:

The purpose of this practice is to specify procedures for the calibration of force-measuring instruments. Procedures are included for the following types of instruments:

Elastic force-measuring instruments, and

Force-multiplying systems, such as balances and small platform scales.

NOTE 1—Verification by deadweight loading is also an acceptable method of verifying the force indication of a testing machine. Tolerances for weights for this purpose are given in Practices E4; methods for calibration of the weights are given in NIST Technical Note 577, Methods of Calibrating Weights for Piston Gages.2

The values stated in SI units are to be regarded as the standard. Other metric and inch-pound values are regarded as equivalent when required.

This practice is intended for the calibration of static force measuring instruments. It is not applicable for dynamic or high speed force calibrations, nor can the results of calibrations performed in accordance with this practice be assumed valid for dynamic or high speed force measurements.

This 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.