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ISO 11614:1999

Reciprocating internal combustion compression-ignition engines — Apparatus for measurement of the opacity and for determination of the light absorption coefficient of exhaust gas

Sep 23, 1999

General information

90.20     Jul 15, 2026

ISO

ISO/TC 70/SC 8

International Standard

13.040.50     43.180  

English   French  

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Published

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Scope

This International Standard specifies the general requirements and the installation of apparatus for measurement of
the opacity and for the determination of the light absorption coefficient of exhaust gas from internal combustion
engines (not confined to road vehicles). These instruments are known as opacimeters.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 3173:1974

WITHDRAWN
ISO/TR 4011:1976

NOW

PUBLISHED
ISO 11614:1999
90.20 Standard under periodical review
Jul 15, 2026

National adoptions

SRPS ISO 11614:2020  
ISS

Reciprocating internal combustion compression-ignition engines — Apparatus for measurement of the opacity and for determination of the light absorption coefficient of exhaust gas

90.20   Standard under periodical review

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