ISO 6855-1:2012 PDF

Name: ISO 6855-1:2012 — Mopeds — Measurement method for gaseous exhaust emissions and fuel consumption — Part 1: General test requirements
SKU: ISO 6855-1:2012
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Mopeds — Measurement method for gaseous exhaust emissions and fuel consumption — Part 1: General test requirements

Название (английский):

ISO 6855-1:2012

Mopeds — Measurement method for gaseous exhaust emissions and fuel consumption — Part 1: General test requirements

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 52
Дата публикации:: 20 сентября 2012 г.
Издание:: ISO IS 6855 edition 1 version 1
ICS:: 13.040.50

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Описание (английский):

ISO 6855-1:2012 specifies the general test requirements for measurement for the gaseous exhaust emissions from mopeds, and for determining the fuel consumption of mopeds as defined in ISO 3833. It is applicable to mopeds equipped with a spark ignition engine (four-stroke engine, two-stroke engine or rotary piston engine).

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 6855-1:2012 - "Mopeds - Measurement method for gaseous exhaust emissions and fuel consumption - Part 1: General test requirements" defines the fundamental test requirements for measuring gaseous exhaust emissions and fuel consumption of mopeds (as defined in ISO 3833). It applies to mopeds with spark-ignition engines (four‑stroke, two‑stroke or rotary piston). The standard sets out measurement scope, reference conditions, required equipment, accuracy criteria and general procedures that support Parts 2 and 3 of the ISO 6855 series.

Key topics and technical requirements

Scope and definitions: Clarifies terms such as moped kerb mass, reference mass, equivalent inertia and gaseous exhaust emissions (CO, THC, NOx, CO2).

Standard reference conditions: Environmental and reference parameters used to correct volumes and emissions.

Test methods overview: Describes measurement approaches for gaseous emissions and fuel consumption, including the carbon balance method and fuel flow measurement method.

Measurement equipment: Requirements for chassis dynamometers, constant volume sampling (CVS) or open-type CVS systems, gas collection and analytical instrumentation, cooling and fuel measurement devices.

System checks and accuracy: Procedures to verify CVS system accuracy, metering of calibration gases, instrument accuracy and statistical criteria for fuel consumption measurements.

Sampling, analysis and calculations: Procedures for sampling diluted exhaust, determining dilution factors, correcting for background concentrations, and calculating mass emissions and fuel consumption (e.g., g/km, L/100 km).

Annexes: Normative and informative annexes include fuel flow measurement methods, carbon balance principles, dilution factor determination, and two‑stroke engine fuel consumption specifics.

Practical applications and users

ISO 6855-1:2012 is intended for organizations that conduct moped emissions and fuel consumption testing, including:

Vehicle and engine manufacturers validating design and compliance

Accredited emissions test laboratories and certification bodies

Regulatory agencies setting or verifying mopeds’ emission and fuel-consumption limits

Research institutions studying small‑vehicle environmental performance

Test facility designers selecting chassis dynamometer setups and CVS systems

Using ISO 6855-1 helps ensure repeatable, comparable test results and compliance with international good practice for moped emissions testing and fuel consumption measurement.

Related standards

ISO 6855-2:2012 - Test cycles and specific test conditions

ISO 6855-3:2012 - Fuel consumption measurement at a constant speed

ISO 3833 - Road vehicles - Terms and definitions

ISO 28981 - Methods for setting running resistance on a chassis dynamometer

Keywords: ISO 6855-1:2012, moped emissions testing, fuel consumption measurement, gaseous exhaust emissions, carbon balance method, chassis dynamometer, CVS system.

ISO 6855-1:2012 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Технические детали

ISO 6855-2:2012

Mopeds — Measurement method for gaseous exhaust emissions and fuel consumption — Part 2: Test cycles and spec…

ISO 6855-3:2012

Mopeds — Measurement method for gaseous exhaust emissions and fuel consumption — Part 3: Fuel consumption mea…

SIST ISO 3833:2000

Road vehicles -- Types -- Terms and definitions

ISO 6855:1983

Road vehicles — Measurement methods for gaseous pollutants emitted by mopeds equipped with a controlled ignit…

ISO 28981:2009/Amd 1:2015

Mopeds - Methods for setting the running resistance on a chassis dynamometer — Amendment 1