Logo
Login Sign Up
Current Revision

ISO 23431:2021

Measurement of road tunnel air quality
Best Price Guarantee

$194.00

2-5 Days

$194.00

SAVE 15%

$329.80


Sub Total (1 Item(s))

$ 0.00

Estimated Shipping

$ 0.00

Total (Pre-Tax)

$ 0.00


or
International Organization for Standardization Logo

ISO 23431:2021

Measurement of road tunnel air quality

Document Preview

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.

SDO ISO: International Organization for Standardization
Document Number ISO 23431
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 146/SC 3
Publish Date Document Id Type View
Not Available ISO 23431:2021 Revision