AS 60068.2.27-2003

1 - AS 60068.2.27-2003 ENVIRONMENTAL TESTING - TESTS-TEST Ea AND GUIDANCE: SHOCK
4 - PREFACE
5 - CONTENTS
6 - INTRODUCTION
7 - 1 Scope
7 - 2 General description
7 - 3 Definitions
7 - 3.1 Fixing point
8 - 3.2 Checkpoint
8 - 3.3 Shock severity
8 - 3.4 Velocity change
8 - 3.5 gn
8 - 4 Description of test apparatus
8 - 4.1 Required characteristics
8 - 4.1.1 Basic pulse shapes
8 - 4.1.2 Velocity change tolerances
9 - 4.1.3 Transverse motion
9 - 4.2 Measuring system
9 - 4.3 Mounting
9 - 5 Severities
10 - 6 Preconditioning
10 - 7 Initial measurements
10 - 8 Conditioning
10 - 8.1 Application of shocks
10 - 8.2 Operating mode and functional monitoring
11 - 9 Recovery
11 - 10 Final measurements
11 - 11 Information to be given in the relevant specification
12 - Annex A - Guidance
12 - A.1 Introduction
12 - A.2 Applicability of test
12 - A.3 Pulse shapes
13 - A.4 Test severity
15 - A.5 Tolerances
15 - A.6 Velocity change
16 - A.7 Conditioning
17 - Annex B - Shock response spectra and other characteristics of pulse shapes
17 - Introduction
17 - B.1 The shock response spectrum concept
18 - B.2 The use of first-order shock response spectra in practical cases
19 - B.3 The shock response spectra of the nominal pulse shapes
19 - B.4 The effect of ripple
20 - B.5 Reproducing the effects of various shock pulses by a single pulse
21 - Annex C - Comparison between impact tests

AS 60068.2.27-2003 identically adopts IEC 60068-2-27:1987 which provides a standard procedure for determining the ability of a specimen to withstand specified severities of shock.

To provide a standard procedure for determining the ability of a specimen to withstand specified severities of shock.

First published as AS 1099.2Ea-1971.
Revised and redesignated as AS 1099.2.27-1988.
Revised and redesignated as AS 60068.2.27-2003.