ISO 789-4:1986 (R2023)
Active , Reaffirmed Standard
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ISO 789-4:1986 (R2023)

Agricultural tractors — Test procedures
Part 4: Measurement of exhaust smoke

Summary

This second edition cancals and replaces the first edition (1982). This part is the fourth of a series of eight. Specifies a method of measuring the smoke emiited by the engines of tractors operating at a steady speed. Annex A gives characteristics of opacimeters; installation and use of theopacimeter is described in annex B; annex C tabulates reference fuel specifications; annex D includes an specimen test report.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 10/16/1986
Confirmation Date 09/20/2023
Edition 2
Page Count 7
EAN ---
ISBN ---
Weight (in grams) ---
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