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BS EN ISO 7243:2017

Current
Current

The latest, up-to-date edition.

Ergonomics of the thermal environment. Assessment of heat stress using the WBGT (wet bulb globe temperature) index
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-03-2017

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Method
5 Determination of WBGT
6 Determination of metabolic rate
7 Determination of effects of clothing
8 Timing and duration of measurements
9 Spatial and temporal variations
10 Interpretation
Annex A (informative) - Reference values
        of the WBGT heat stress index
Annex B (normative) - Measurement of
        parameters used in the WBGT
        index and specification of instruments
Annex C (informative) - Alternative globe
        thermometers
Annex D (informative) - Prediction of natural
        wet bulb temperature
Annex E (informative) - Estimation of metabolic
        Rate
Annex F (informative) - Clothing adjustment
        values (CAVs)
Bibliography

Defines a screening method for evaluating the heat stress to which a person is exposed and for establishing the presence or absence of heat stress.

This document presents a screening method for evaluating the heat stress to which a person is exposed and for establishing the presence or absence of heat stress.

It applies to the evaluation of the effect of heat on a person during his or her total exposure over the working day (up to 8 h).

It does not apply for very short exposures to heat.

It applies to the assessment of indoor and outdoor occupational environments as well as to other types of environment, and to male and female adults who are fit for work.

Committee
PH/9/-/1
DevelopmentNote
Supersedes 15/30311328 DC & BS EN 27243. (10/2017)
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN ISO 7243:2017 Identical
ISO 7243:2017 Identical

ISO 15265:2004 Ergonomics of the thermal environment Risk assessment strategy for the prevention of stress or discomfort in thermal working conditions
ISO 12894:2001 Ergonomics of the thermal environment Medical supervision of individuals exposed to extreme hot or cold environments
ASHRAE FUNDAMENTALS OF REFRIGERATION : 2016 FUNDAMENTALS OF REFRIGERATION
ISO 7726:1998 Ergonomics of the thermal environment Instruments for measuring physical quantities
ISO 8996:2004 Ergonomics of the thermal environment Determination of metabolic rate
ISO 7933:2004 Ergonomics of the thermal environment — Analytical determination and interpretation of heat stress using calculation of the predicted heat strain
ISO 11399:1995 Ergonomics of the thermal environment Principles and application of relevant International Standards
ISO 9920:2007 Ergonomics of the thermal environment Estimation of thermal insulation and water vapour resistance of a clothing ensemble
ISO 9886:2004 Ergonomics Evaluation of thermal strain by physiological measurements
ISO 13731:2001 Ergonomics of the thermal environment Vocabulary and symbols

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