ISO 23431:2021
Active Standard
Most Recent

ISO 23431:2021

Measurement of road tunnel air quality

Summary

This document describes methods for determining air speed and flow direction, CO, NO and NO2 concentrations and visibility in road tunnels using direct-reading instruments. This document specifically excludes requirements relating to instrument conformance testing.

Notes

60.60 : Norme internationale publiée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 03/19/2021
Edition 1
Page Count 31
EAN ---
ISBN ---
Weight (in grams) ---
No products.

Previous versions

Contact us