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BS EN ISO 8041-2:2021

BS EN ISO 8041-2:2021

$198.66

Human response to vibration. Measuring instrumentation – Personal vibration exposure meters

Published By Publication Date Number of Pages
BSI 2021 66
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This document specifies minimum requirements for personal vibration exposure meters (PVEM).

This document is applicable to instruments designed for measurements of whole-body vibration in the context of industrial hygiene applications (according to ISO 2631-1, ISO 2631-2 and ISO 2631-4) and/or hand-arm vibration (according to ISO 5349-1) together with the associated exposure times.

This document provides specified design goals and permitted tolerances that define the minimum performance capabilities and functional requirements of instruments designed to measure personal daily vibration exposure.

This document does not apply to instruments designed to measure or log exposure times without also performing vibration measurement. Instrumentation of this type is described in ISO/TR 19664.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 European foreword
10 Foreword
11 Introduction
13 1 Scope
2 Normative references
14 3 Terms and definitions
16 4 Reference environmental conditions
5 Performance specifications
5.1 General characteristics
5.1.1 Common characteristics
18 5.1.2 Special characteristics for whole-body vibration measurement
5.1.3 Special characteristics for hand-arm vibration measurement
5.2 Display
19 5.3 Electrical output
5.4 Vibration sensitivity
5.5 Accuracy of indication at reference frequency under reference conditions
20 5.6 Frequency weightings and frequency responses
5.6.1 Parameters
21 5.6.2 Band-limiting filter
5.6.3 a-v transition filter
5.6.4 Upward-step filter
5.6.5 Overall frequency weighting
22 5.6.6 Tolerances
23 5.7 Amplitude linearity
5.8 Instrument noise
5.9 Signal‑burst response
26 5.10 Overload indication
27 5.11 Under‑range indication
5.12 Time averaging
5.13 Running RMS acceleration
5.14 Clearance of data and instrument state (named reset)
5.15 Timing facilities
5.16 Electrical cross-talk
5.17 Vibration transducer characteristics
5.18 Power supply
28 5.19 Operator detection system
5.20 Detection of transient acceleration artefacts
5.21 Logging capabilities
29 5.22 Contact force measurement
5.23 Warning indication
5.23.1 General
5.23.2 Mandatory warning indications
5.23.3 Optional warning indications
30 5.24 Human interface and ergonomic aspects
31 6 Mounting
7 Environmental and electromagnetic criteria
7.1 General
7.2 Air temperature
7.3 Surface temperature
7.4 Electrostatic discharge
32 7.5 Radio-frequency emissions and public-power-supply disturbances
7.6 Immunity to AC power-frequency fields and radio-frequency fields
33 7.7 Ingress of water and dust
8 Provision for use with auxiliary devices
9 Instrument marking
10 Instrument documentation
34 11 Performance testing
35 12 Pattern evaluation
12.1 General
36 12.2 Testing requirements
12.3 Submission for testing
12.4 Marking of the instrument and information in the instrument documentation
12.5 Mandatory facilities and general requirements
37 12.6 Initial instrument preparation
12.7 Indication at the reference frequency under reference conditions
38 12.8 Electrical cross-talk
12.9 Vibration transducer
12.10 Amplitude linearity
12.10.1 Electrical tests of amplitude linearity
39 12.10.2 Mechanical tests of amplitude linearity
40 12.11 Frequency weightings and frequency responses
12.11.1 General
41 12.11.2 Mechanical tests of frequency response
42 12.11.3 Electrical tests of frequency response
12.11.4 Conformance
43 12.12 Instrument noise
12.13 Signal-burst response
12.14 Overload indication
44 12.15 Reset
12.16 Combined axis outputs
12.17 AC electrical output
12.18 Timing facilities
12.19 Power supply
12.20 Environmental, electrostatic and radio-frequency tests
12.20.1 General
45 12.20.2 Expanded uncertainties for measurements of environmental conditions
12.20.3 Acclimatization requirements for tests of the influence of air temperature and relative humidity
12.20.4 Test of the influence of air temperature and relative humidity combined
46 12.20.5 Influence of surface temperature
12.20.6 Influence of electrostatic discharges
12.20.7 Radio-frequency emissions and public-power-supply disturbances
47 12.20.8 Immunity to AC power-frequency fields and radio-frequency fields
48 12.21 Operator detection system
12.22 Logging capabilities
12.23 Warning indication (mandatory warnings)
49 12.24 Test report
13 Periodic verification
13.1 General
13.2 Testing requirements
50 13.3 Test object
13.4 Submission for testing
13.5 Preliminary inspection
13.6 Marking of the instrument and information in the instrument documentation
51 13.7 Test procedure
13.8 Test parameters
13.8.1 Vibration measurement chain for hand-arm vibration
13.8.2 Vibration measurement chain for whole-body vibration
52 13.8.3 Vibration measurement chain low-frequency whole-body vibration
13.9 Conducting the test
53 13.10 Test report
14 In-situ check
14.1 General
14.2 Preliminary inspection
14.3 Vibration sensitivity (field calibration)
54 Annex A (informative) Treatment of transient acceleration artefacts
59 Annex B (informative) Influence of coupling force on hand-arm vibration evaluation
63 Annex C (informative) Human interface
64 Bibliography

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BS EN ISO 8041-2:2021
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