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GB/T 37776-2019Methods for the calibration of dynamic force transducers—Calibration by shock force (English PDF)

动态力传感器校准方法冲击力法校准

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 30, 2019

Implementation date

March 1, 2020

Scope

GB/T 37776-2019 is the English-translated version of 动态力传感器校准方法冲击力法校准.

GB/T 37776-2019 is the Chinese standard "Methods for the calibration of dynamic force transducers—Calibration by shock force". Its scope clause reads: This standard specifies the methods and operating procedures for calibrating dynamic force sensors using the impact force method.

This standard is applicable to the peak of impact force of 20N~200kN, and the duration of impact force pulse is within the range of 0.5ms~10ms. The dynamic force sensor is calibrated for impact sensitivity. Its clauses include terms and definitions; measurement uncertainty.

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Document preview — GB/T 37776-2019

National Standard of the People's Republic of China

ICS: 17.160
Classification: N 73

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 Terms and definitions
4 Measurement uncertainty

1 Scope

This standard specifies the methods and operating procedures for calibrating dynamic force sensors using the impact force method.

This standard is applicable to the peak of impact force of 20N~200kN, and the duration of impact force pulse is within the range of 0.5ms~10ms.

The dynamic force sensor is calibrated for impact sensitivity.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 2298-2010 Mechanical vibration, shock and condition monitoring vocabulary (ISO 2041.2009, IDT)

GB/T 7665-2005 sensor general terminology

GB/T 13823.20-2008 Calibration method for vibration and shock sensors General method for accelerometer resonance test (ISO 5347-22.1997, IDT)

GB/T 20485.1-2008 Calibration methods for vibration and shock sensors - Part 1. Basic concepts (ISO 16063-1.1998,

IDT)

GB/T 20485.13-2007 - Methods of calibration of vibration and shock sensors - Part 13 (ISO 16063-13.2001, IDT)

GB/T 20485.22-2008 Methods of calibration of vibration and shock sensors - Part 22.

22.2005, IDT)

3 Terms and definitions

GB/T 2298-2010, GB/T 7665-2005, GB/T 20485.1-2008 and the following terms and definitions apply to

This document.

3.1 Effective mass

The sum of the masses of all components that act on the sensitive surface of the force sensor and participate in the loading with its own inertial force during the impact motion.

Note. Mainly including quality blocks, connection accessories and measuring sensors.

4 Measurement uncertainty

4.1 Repetitive impact acceleration motion using absolute method

Uncertainty in measurement of impact sensitivity.

---When the reference impact peak value is set to 10kN, the reference impact pulse duration is 2ms and the amplifier reference gain is used as the reading.

2%;

--- For all impact peaks, pulse duration, do not exceed 10% of the reading.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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