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JJF 1221-2009Calibration Specification for Chassis Dynamometers for Automobile Emissions Testing (English PDF)

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine

Level / Type

National · Mandatory

Issue date

July 10, 2009

Implementation date

October 10, 2009

Scope

JJF 1221-2009 (Calibration Specification for Chassis Dynamometers for Automobile Emissions Testing) is available as an English-translated PDF.

JJF 1221-2009 — This standard specifies the automobile exhaust emission testing on a chassis dynamometer (hereinafter referred to as the chassis dynamometer) of the metrological characteristics, calibration conditions, the calibration program and calibration methods.

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Document preview — JJF 1221-2009

National Standard of the People's Republic of China

ICS: 17.100
Classification: A 53

Issued by: General Administration of Quality Supervision, Inspection and Quarantine

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the automobile exhaust emission testing on a chassis dynamometer (hereinafter referred to as the chassis dynamometer) of the metrological characteristics, calibration conditions, the calibration program and calibration methods. This standard applies to point tender engine car steady condition method, simple transient conditions and compression-ignition engine vehicles slow loading of exhaust emission testing on a chassis dynamometer calibration.

Document data

International classification (ICS): 17.100.

Chinese classification (CCS): A53.

Estimated length of the Chinese original: 19,134 words.

Standards quoted by this document

GB 18285-2005; GB 3847-2005

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

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