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BS EN 61340-2-3:2016 – TC:2020 Edition

BS EN 61340-2-3:2016 – TC:2020 Edition

$217.84

Tracked Changes. Electrostatics – Methods of test for determining the resistance and resistivity of solid materials used to avoid electrostatic charge accumulation

Published By Publication Date Number of Pages
BSI 2020 77
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IEC 61340-2-3:2016 is available as /2 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 61340-2-3:2016 describes test methods for the determination of the electrical resistance and resistivity of solid materials used to avoid electrostatic charge accumulation, in which the measured resistance is in the range 10K Ohm to 1T Ohm. It takes account of existing IEC/ISO standards and other published information, and gives recommendations and guidelines on the appropriate method. This edition includes the following significant technical changes with respect to the previous edition: a) a distinction has been introduced between instrumentation used for laboratory evaluations, instrumentation used for acceptance testing and instrumentation used for compliance verification (periodic testing); b) an alternative electrode assembly is described, which can be used on non-planar products or when the dimensions of the product under test are too small to allow the larger electrode assembly to be used; c) the formulae for calculating surface and volume resistivity have been modified to correspond with common industry practice in the main areas of application for the IEC 61340 series.

PDF Catalog

PDF Pages PDF Title
49 English
CONTENTS
51 FOREWORD
53 INTRODUCTION
54 1 Scope
2 Normative references
3 Terms and definitions
56 4 Conditioning and test environment
5 Selection of test method
57 6 Resistance measurements for solid conductive materials
7 Resistance measurements for solid insulating materials
8 Resistance measurements for planar electrostatic dissipative materials (used to avoid electrostatic charge accumulation)
8.1 Instrumentation
8.1.1 General
8.1.2 Instrumentation for laboratory evaluation
8.1.3 Instrumentation for acceptance testing
58 8.1.4 Instrumentation for compliance verification (periodic testing)
8.2 Electrode assemblies
8.2.1 General
8.2.2 Assembly for the measurement of surface resistance
59 8.2.3 Assembly for the measurement of volume resistance
8.2.4 Assembly for the measurement of resistance to ground/groundable pointand point-to-point resistance
Figures
Figure 1 – Example of an assembly for the measurement of surface and volume resistance
60 8.2.5 Test support
8.3 Sample preparation and handling
Figure 2 – Example of an assembly for the measurement of resistance to ground/groundable point and point-to-point resistance
61 8.4 Test procedures
8.4.1 Surface resistance measurements
8.4.2 Volume resistance measurements
Figure 3 – Basic connections of the electrodes for surface resistance measurements
62 8.4.3 Resistance to groundable point measurements
Figure 4 – Basic connections of the electrodes for volume resistance measurements
63 8.4.4 Point-to-point resistance measurements
Figure 5 – Principle of resistance to groundable point measurements
64 9 Conversion to resistivity values
9.1 Surface resistivity ρs
9.2 Volume resistivity ρv
Figure 6 – Principle of point-to-point measurements
65 10 Resistance measurements for non-planar materials and products with small structures
10.1 General considerations
10.2 Equipment
10.2.1 Probe
Figure 7 – Configuration for the conversion to surface or volume resistivity
66 Tables
Table 1 – Material for two-point probe
67 10.2.2 Sample support surface
10.2.3 Resistance measurement apparatus
Figure 8 – Two-point probe configuration
68 10.2.4 Test leads
Figure 9 – Probe to instrumentation connection
69 10.3 Test procedure
11 Repeatability and reproducibility
Figure 10 – Spring compression for measurement
70 12 Test report
72 Annex A (normative) System verification
A.1 System verification for surface resistance measurements
A.1.1 Fixture and procedure for lower resistance range
Figure A.1 – Lower resistance range verification fixture for surface resistance measurements
73 A.1.2 Fixture and procedure for upper resistance range and determination of electrification period
Figure A.2 – Upper resistance range verification fixture for surface resistance measurements
74 A.2 System verification for volume resistance measurements
A.2.1 Fixture and procedure for lower resistance range
A.2.2 Fixture and procedure for upper resistance range and determination of electrification period
A.3 System verification for resistance measurements for non-planar materials and products with small structures
A.3.1 Verification fixtures
75 A.3.2 Verification procedure
Figure A.3 – Resistance verification fixture

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BS EN 61340-2-3:2016 - TC
$217.84