BS EN ISO 7243:2017
Current
The latest, up-to-date edition.
Ergonomics of the thermal environment. Assessment of heat stress using the WBGT (wet bulb globe temperature) index
Hardcopy , PDF
English
03-10-2017
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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.
| 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 |
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.
| 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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