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ISO 7933:2004

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Ergonomics of the thermal environment — Analytical determination and interpretation of heat stress using calculation of the predicted heat strain

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

27-07-2023

Language(s)

English, French

Published date

10-08-2004

ISO 7933:2004 specifies a method for the analytical evaluation and interpretation of the thermal stress experienced by a subject in a hot environment. It describes a method for predicting the sweat rate and the internal core temperature that the human body will develop in response to the working conditions.

The various terms used in this prediction model, and in particular in the heat balance, show the influence of the different physical parameters of the environment on the thermal stress experienced by the subject. In this way, this International Standard makes it possible to determine which parameter or group of parameters should be modified, and to what extent, in order to reduce the risk of physiological strains.

The main objectives of ISO 7933:2004 are the following:

  1. the evaluation of the thermal stress in conditions likely to lead to excessive core temperature increase or water loss for the standard subject;
  2. the determination of exposure times with which the physiological strain is acceptable (no physical damage is to be expected). In the context of this prediction mode, these exposure times are called "maximum allowable exposure times".

ISO 7933:2004 does not predict the physiological response of individual subjects, but only considers standard subjects in good health and fit for the work they perform. It is therefore intended to be used by ergonomists, industrial hygienists, etc., to evaluate working conditions.

Committee
ISO/TC 159/SC 5
DevelopmentNote
DRAFT ISO/DIS 7933 is also available for this standard. (03/2018)
DocumentType
Standard
Pages
34
PublisherName
International Organization for Standardization
Status
Superseded
SupersededBy
Supersedes

10/30191968 DC : 0 BS ISO 28803 - ERGONOMICS OF THE PHYSICAL ENVIRONMENT - APPLICATION OF INTERNATIONAL STANDARDS TO PEOPLE WITH SPECIAL REQUIREMENTS
02/561834 DC : DRAFT APR 2002 BS EN ISO 9886 - ERGONOMICS - EVALUATION OF THERMAL STRAIN BY PHYSIOLOGICAL MEASUREMENTS
06/30156009 DC : DRAFT SEP 2006 BS EN 13921 - PERSONAL PROTECTIVE EQUIPMENT - ERGONOMIC PRINCIPLES
BS EN ISO 28803:2012 Ergonomics of the physical environment. Application of international standards to people with special requirements
11/30235982 DC : 0 BS EN 469 - PROTECTIVE CLOTHING FOR FIREFIGHTERS - REQUIREMENTS AND TEST METHODS FOR PROTECTIVE CLOTHING FOR FIREFIGHTING
ISO/TS 14505-1:2007 Ergonomics of the thermal environment — Evaluation of thermal environments in vehicles — Part 1: Principles and methods for assessment of thermal stress
BS ISO 13577-1:2016 Industrial furnaces and associated processing equipment. Safety General requirements
EN ISO 7243:2017 Ergonomics of the thermal environment - Assessment of heat stress using the WBGT (wet bulb globe temperature) index (ISO 7243:2017)
I.S. EN ISO 10551:2001 ERGONOMICS OF THE THERMAL ENVIRONMENT - ASSESSMENT OF THE INFLUENCE OF THE THERMAL ENVIRONMENT USING SUBJECTIVE JUDGEMENT SCALES
BS EN ISO 15265:2004 Ergonomics of the thermal environment. Risk assessment strategy for the prevention of stress or discomfort in thermal working conditions
BS EN ISO 9920:2009 Ergonomics of the thermal environment. Estimation of thermal insulation and water vapour resistance of a clothing ensemble
ISO 15265:2004 Ergonomics of the thermal environment Risk assessment strategy for the prevention of stress or discomfort in thermal working conditions
EN ISO 12894:2001 Ergonomics of the thermal environment - Medical supervision of individuals exposed to extreme hot or cold environments (ISO 12894:2001)
DEFSTAN 00-25(PT5)/1(1992) : 1992 HUMAN FACTORS FOR DESIGNERS OF EQUIPMENT - PART 5: STRESSES AND HAZARDS
02/564407 DC : DRAFT OCT 2002 BS ISO 15265 - ERGONOMICS OF THE THERMAL ENVIRONMENT - RISK ASSESSMENT STRATEGY FOR THE PREVENTION OF STRESS OR DISCOMFORT IN THERMAL WORKING CONDITIONS
I.S. EN ISO 28803:2012 ERGONOMICS OF THE PHYSICAL ENVIRONMENT - APPLICATION OF INTERNATIONAL STANDARDS TO PEOPLE WITH SPECIAL REQUIREMENTS (ISO 28803:2012)
ISO/TS 14415:2005 Ergonomics of the thermal environment Application of International Standards to people with special requirements
00/562571 DC : DRAFT JUN 2000 BS EN 13921-4 - PERSONAL PROTECTIVE EQUIPMENT - ERGONOMIC PRINCIPLES - PART 4: THERMAL CHARACTERISTICS
15/30311328 DC : 0 BS EN ISO 7243 - ERGONOMICS OF THE THERMAL ENVIRONMENT - ASSESSMENT OF HEAT STRESS USING THE WBGT (WET BULB GLOBE TEMPERATURE) INDEX
ISO 13577-1:2016 Industrial furnaces and associated processing equipment Safety Part 1: General requirements
03/315099 DC : DRAFT SEP 2003 ISO 7730 - ERGONOMICS OF THE THERMAL ENVIRONMENT - ANALYTICAL DETERMINATION AND INTERPRETATION OF THERMAL COMFORT USING CALCULATION OF THE PMV AND PPD INDICES AND LOCAL THERMAL COMFORT
ISO/TS 16976-5:2013 Respiratory protective devices Human factors Part 5: Thermal effects
DIN EN 746-1:2010-02 Industrial thermoprocessing equipment - Part 1: Common safety requirements for industrial thermoprocessing equipment (includes Amendment A1:2009)
DIN EN 469:2015-08 (Draft) PROTECTIVE CLOTHING FOR FIREFIGHTERS - PERFORMANCE REQUIREMENTS FOR PROTECTIVE CLOTHING FOR FIREFIGHTING
DIN EN ISO 7730:2006-05 Ergonomics of the thermal environment - Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria (ISO 7730:2005)
I.S. EN 13861:2011 SAFETY OF MACHINERY - GUIDANCE FOR THE APPLICATION OF ERGONOMICS STANDARDS IN THE DESIGN OF MACHINERY
DIN EN ISO 7726:2002-04 Ergonomics of the thermal environment - Instruments for measuring physical quantities (ISO 7726:1998); German version EN ISO 7726:2001
I.S. EN ISO 9886:2004 ERGONOMICS - EVALUATION OF THERMAL STRAIN BY PHYSIOLOGICAL MEASUREMENTS
I.S. EN 746-1:1997 INDUSTRIAL THERMOPROCESSING EQUIPMENT - PART 1: COMMON SAFETY REQUIREMENTS FOR INDUSTRIAL THERMOPROCESSING EQUIPMENT
I.S. EN ISO 7730:2006 ERGONOMICS OF THE THERMAL ENVIRONMENT - ANALYTICAL DETERMINATION AND INTERPRETATION OF THERMAL COMFORT USING CALCULATION OF THE PMV AND PPD INDICES AND LOCAL THERMAL COMFORT CRITERIA
I.S. EN ISO 9920:2009 ERGONOMICS OF THE THERMAL ENVIRONMENT - ESTIMATION OF THERMAL INSULATION AND WATER VAPOUR RESISTANCE OF A CLOTHING ENSEMBLE
16/30318707 DC : 0 BS EN ISO 18640-2 - PROTECTIVE CLOTHING FOR FIRE-FIGHTERS - PHYSIOLOGICAL IMPACT - PART 2: DETERMINATION OF PHYSIOLOGICAL HEAT LOAD CAUSED BY PROTECTIVE CLOTHING WORN BY FIREFIGHTERS
I.S. EN ISO 7726:2002 ERGONOMICS OF THE THERMAL ENVIRONMENT - INSTRUMENTS FOR MEASURING PHYSICAL QUANTITIES
00/564562 DC : DRAFT SEP 2000 BS EN 469 - PROTECTIVE CLOTHING FOR FIREFIGHTERS - LABORATORY TEST METHODS AND PERFORMANCE REQUIREMENTS FOR PROTECTIVE CLOTHING FOR FIREFIGHTING
ISO 10075-1:2017 Ergonomic principles related to mental workload — Part 1: General issues and concepts, terms and definitions
BS ISO 10551:1995 Ergonomics of the thermal environment. Assessment of the influence of the thermal environment using subjective judgement scales
BS ISO 11399 : 1995 AMD 13444 ERGONOMICS OF THE THERMAL ENVIRONMENT - PRINCIPLES AND APPLICATION OF RELEVANT INTERNATIONAL STANDARDS
BS EN ISO 7243:2017 Ergonomics of the thermal environment. Assessment of heat stress using the WBGT (wet bulb globe temperature) index
PREN 469 : DRAFT 2015 PROTECTIVE CLOTHING FOR FIREFIGHTERS - PERFORMANCE REQUIREMENTS FOR PROTECTIVE CLOTHING FOR FIREFIGHTING
ISO 7243:2017 Ergonomics of the thermal environment — Assessment of heat stress using the WBGT (wet bulb globe temperature) index
NF EN 4071 : 2010 AEROSPACE SERIES - BOLTS, NORMAL HEXAGONAL HEAD, CLOSE TOLERANCE NORMAL SHANK, SHORT THREAD, IN TITANIUM ALLOY, ALUMINIUM IVD COATED - CLASSIFICATION: 1100 MPA (AT AMBIENT TEMPERATURE)/425 DEGREES C
DIN EN 13861:2012-01 Safety of machinery - Guidance for the application of ergonomics standards in the design of machinery
BS EN 746-1 : 1997 INDUSTRIAL THERMOPROCESSING EQUIPMENT - PART 1: COMMON SAFETY REQUIREMENTS FOR INDUSTRIAL THERMOPROCESSING EQUIPMENT
I.S. EN 469:2014 PROTECTIVE CLOTHING FOR FIREFIGHTERS - PERFORMANCE REQUIREMENTS FOR PROTECTIVE CLOTHING FOR FIREFIGHTING
UNI EN 469 : 2014 PROTECTIVE CLOTHING FOR FIREFIGHTERS - PERFORMANCE REQUIREMENTS FOR PROTECTIVE CLOTHING FOR FIREFIGHTING
EN ISO 7730:2005 Ergonomics of the thermal environment - Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria (ISO 7730:2005)
UNI EN ISO 7730 : 2006 ERGONOMICS OF THE THERMAL ENVIRONMENT - ANALYTICAL DETERMINATION AND INTERPRETATION OF THERMAL COMFORT USING CALCULATION OF THE PMV AND PPD INDICES AND LOCAL THERMAL COMFORT CRITERIA
UNI EN ISO 9920 : 2009 ERGONOMICS OF THE THERMAL ENVIRONMENT - ESTIMATION OF THERMAL INSULATION AND WATER VAPOUR RESISTANCE OF A CLOTHING ENSEMBLE
UNI EN 13861 : 2011 SAFETY OF MACHINERY - GUIDANCE FOR THE APPLICATION OF ERGONOMICS STANDARDS IN THE DESIGN OF MACHINERY
UNI EN 746-1 : 2009 INDUSTRIAL THERMOPROCESSING EQUIPMENT - PART 1: COMMON SAFETY REQUIREMENTS FOR INDUSTRIAL THERMOPROCESSING EQUIPMENT
DIN EN ISO 28803:2012-06 Ergonomics of the physical environment - Application of international standards to people with special requirements (ISO 28803:2012)
DIN ISO 16000-30:2015-05 INDOOR AIR - PART 30: SENSORY TESTING OF INDOOR AIR (ISO 16000-30:2014)
04/19987805 DC : 0 BS ISO 14505-1 - ERGONOMICS OF THE THERMAL ENVIRONMENT - EVALUATION OF THERMAL ENVIRONMENT IN VEHICLES - PART 1: PRINCIPLES AND METHODS FOR ASSESSMENT OF THERMAL STRESS
ISO/TR 18569:2004 Safety of machinery Guidelines for the understanding and use of safety of machinery standards
I.S. EN ISO 10075-1:2017 ERGONOMIC PRINCIPLES RELATED TO MENTAL WORKLOAD - PART 1: GENERAL ISSUES AND CONCEPTS, TERMS AND DEFINITIONS (ISO 10075-1:2017)
DD ISO/TS 14415:2005 Ergonomics of the thermal environment. Application of international standards to people with special requirements
ISO 7730:2005 Ergonomics of the thermal environment — Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria
ISO 13731:2001 Ergonomics of the thermal environment Vocabulary and symbols
BS 7643-1:1993 Building construction. Expression of users\' requirements Thermal requirements
BS EN 28996:1994 Ergonomics. Determination of metabolic heat production
ISO 28803:2012 Ergonomics of the physical environment — Application of International Standards to people with special requirements
BS EN ISO 7730:2005 Ergonomics of the thermal environment. Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria
DIN EN ISO 9920:2009-10 ERGONOMICS OF THE THERMAL ENVIRONMENT - ESTIMATION OF THERMAL INSULATION AND WATER VAPOUR RESISTANCE OF A CLOTHING ENSEMBLE
BS EN ISO 9886:2004 Ergonomics. Evaluation of thermal strain by physiological measurements
BS EN 469:2014 Protective clothing for firefighters. Performance requirements for protective clothing for firefighting
ISO 9920:2007 Ergonomics of the thermal environment Estimation of thermal insulation and water vapour resistance of a clothing ensemble
ISO 7726:1998 Ergonomics of the thermal environment Instruments for measuring physical quantities
BS EN ISO 11399:2001 Ergonomics of the thermal environment. Principles and application of relevant International standards
11/30232911 DC : 0 BS ISO 13577-1 - INDUSTRIAL FURNACES AND ASSOCIATED PROCESSING EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
ISO 11399:1995 Ergonomics of the thermal environment Principles and application of relevant International Standards
BS EN ISO 16000-5:2007 Indoor air Sampling strategy for volatile organic compounds (VOCs)
BS EN ISO 13731:2002 Ergonomics of the thermal environment. Vocabulary and symbols
EN 13861:2011 Safety of machinery - Guidance for the application of ergonomics standards in the design of machinery
EN ISO 13731:2001 Ergonomics of the thermal environment - Vocabulary and symbols (ISO 13731:2001)
EN ISO 9920:2009 Ergonomics of the thermal environment - Estimation of thermal insulation and water vapour resistance of a clothing ensemble (ISO 9920:2007, Corrected version 2008-11-01)
EN ISO 7726:2001 Ergonomics of the thermal environment - Instruments for measuring physical quantities (ISO 7726:1998)
EN ISO 16000-5:2007 Indoor air - Part 5: Sampling strategy for volatile organic compounds (VOCs) (ISO 16000-5:2007)
EN ISO 28803:2012 Ergonomics of the physical environment - Application of international standards to people with special requirements (ISO 28803:2012)
EN 13921:2007 Personal protective equipment - Ergonomic principles
EN 746-1:1997+A1:2009 Industrial thermoprocessing equipment - Part 1: Common safety requirements for industrial thermoprocessing equipment
EN ISO 9886:2004 Ergonomics - Evaluation of thermal strain by physiological measurements (ISO 9886:2004)
EN ISO 10075-1:2017 Ergonomic principles related to mental workload - Part 1: General issues and concepts, terms and definitions (ISO 10075-1:2017)
EN ISO 10551:2001 Ergonomics of the thermal environment - Assessment of the influence of the thermal environment using subjective judgement scales (ISO 10551:1995)
EN ISO 15265:2004 Ergonomics of the thermal environment - Risk assessment strategy for the prevention of stress or discomfort in thermal working conditions (ISO 15265:2004)
EN ISO 11399:2000 Ergonomics of the thermal environment - Principles and application of relevant International Standards (ISO 11399:1995)
PD ISO/TS 16976-5:2013 Respiratory protective devices. Human factors Thermal effects
I.S. EN ISO 7243:2017 ERGONOMICS OF THE THERMAL ENVIRONMENT - ASSESSMENT OF HEAT STRESS USING THE WBGT (WET BULB GLOBE TEMPERATURE) INDEX (ISO 7243:2017)
ISO 10551:1995 Ergonomics of the thermal environment Assessment of the influence of the thermal environment using subjective judgement scales
ISO 9886:2004 Ergonomics Evaluation of thermal strain by physiological measurements
UNI EN ISO 28803 : 2012 ERGONOMICS OF THE PHYSICAL ENVIRONMENT - APPLICATION OF INTERNATIONAL STANDARDS TO PEOPLE WITH SPECIAL REQUIREMENTS
ISO 16000-30:2014 Indoor air Part 30: Sensory testing of indoor air
I.S. EN ISO 16000-5:2007 INDOOR AIR - PART 5: SAMPLING STRATEGY FOR VOLATILE ORGANIC COMPOUNDS (VOCS)
PD ISO/TR 18569:2004 Safety of machinery. Guidelines for the understanding and use of safety of machinery standards.
ISO 16000-5:2007 Indoor air Part 5: Sampling strategy for volatile organic compounds (VOCs)
BS EN ISO 10551:2001 Ergonomics of the thermal environment. Assessment of the influence of the thermal environment using subjective judgement scales
BS EN 13921:2007 Personal protective equipment. Ergonomic principles
BS EN 13861:2011 Safety of machinery. Guidance for the application of ergonomics standards in the design of machinery
BS EN 27243:1994 Hot environments. Estimation of the heat stress on working man, based on the WBGT-index (wet bulb globe temperature)
BS EN ISO 7726:2001 Ergonomics of the thermal environment. Instruments for measuring physical quantities
DIN EN ISO 15265:2004-11 Ergonomics of the thermal environment - Risk assessment strategy for the prevention of stress or discomfort in thermal working (ISO 15265:2004)
DIN EN ISO 9886:2004-05 Ergonomics - Evaluation of thermal strain by physiological measurements (ISO 9886:2004); German version EN ISO 9886:2004
DIN EN 469:2007-02 PROTECTIVE CLOTHING FOR FIREFIGHTERS - PERFORMANCE REQUIREMENTS FOR PROTECTIVE CLOTHING FOR FIREFIGHTING
DIN EN ISO 16000-5:2007-05 Indoor air - Part 5: Sampling strategy for volatile organic compounds (VOCs) (ISO 16000-5:2007)
DIN EN 13921:2007-08 Personal protective equipment - Ergonomic principles
UNE-EN 746-1:1997 INDUSTRIAL THERMOPROCESSING EQUIPMENT. PART 1: COMMON SAFETY REQUIREMENTS FOR INDUSTRIAL THERMOPROCESSING EQUIPMENT.

ISO 7243:2017 Ergonomics of the thermal environment — Assessment of heat stress using the WBGT (wet bulb globe temperature) index
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 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

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