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SAE J254

2011 Edition, June 1, 2011

Complete Document

Instrumentation and Techniques for Exhaust Gas Emissions Measurement

Includes all amendments and changes through Stabilization Notice (No longer revised / updated) , June 2011


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Product Details:

  • Revision: 2011 Edition, June 1, 2011
  • Published Date: June 2011
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 20
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This SAE Recommended Practice establishes uniform laboratory techniques for the continuous and bag-sample measurement of various constituents in the exhaust gas of the gasoline engines installed in passenger cars and light-duty trucks. The report concentrates on the measurement of the following components in exhaust gas: hydrocarbons (HC), carbon monoxide (CO), carbon dioxide (CO2), oxygen (O2), and nitrogen oxides (NOx). NOx is the sum of nitric oxide (NO) and nitrogen dioxide (NO2). A complete procedure for testing vehicles may be found in SAE J1094.

This document includes the following sections:

1. Scope

2. References

3. Emissions Sampling Systems

4. Emissions Analyzers

5. Data Analysis

6. Associated Test Equipment

7. Test Procedures

Purpose—The purpose of this document is to describe means for the analysis of exhaust emissions. This procedure has been developed after thorough review and consideration of test techniques in use in laboratories of federal and state governments, and the automobile and petroleum industries.

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