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BS EN 60068-3-5:2018

BS EN 60068-3-5:2018

$142.49

Environmental testing – Supporting documentation and guidance. Confirmation of the performance of temperature chambers

Published By Publication Date Number of Pages
BSI 2018 24
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This part of IEC 60068 provides a uniform and reproducible method of confirming that temperature test chambers, without specimens, conform to the requirements specified in climatic test procedures of IEC 60068-2 (all parts) and other standards. This document is intended for users when conducting regular chamber performance monitoring.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 CONTENTS
9 FOREWORD
11 INTRODUCTION
12 1 Scope
2 Normative references
3 Terms and definitions
13 Figures
Figure 1 – Working space
Tables
Table 1 – Practical dimensions
14 4 Measuring chamber performances
4.1 Test area environment
4.2 Temperature measurement system
4.3 Temperature chamber test specimens
Figure 2 – Example of temperature differences
15 4.4 Specified location of temperature sensors in working space
Figure 3 – Location of sensors fortemperature chambers up to 2 000 l
Figure 4 – Location of minimal additional sensors fortemperature chambers over 2 000 l
16 4.5 Measurement method
4.5.1 General
4.5.2 Achieved temperature
4.5.3 Temperature stabilization
Figure 5 – Example of achieved temperature
17 4.5.4 Temperature fluctuation
Figure 6 – Example of temperature stabilization for chambers up to 2 000 l
Figure 7 – Example of temperature fluctuation
18 4.5.5 Temperature gradient
4.5.6 Temperature variation in space
Figure 8 – Example of temperature gradient for chambers up to 2 000 l
19 4.5.7 Temperature rate of change
Figure 9 – Example of temperature gradient for chambers <2 000 L
20 4.6 Standard temperature sequence
5 Information to be given in the performance test report
Figure 10 – Example of temperature rate of change
22 Bibliography

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BS EN 60068-3-5:2018
$142.49