Conversion factors for gases - AQT530

AQT530 Configuration Guide

Document code
M212572EN
Revision
D
Language
English (United States)
Product
AQT530
Document type
User guide

Conversion from ppb to µg/m3 is calculated with the following formula:

µg/m3 = ppb * conversion_factor

Table 1. Conversion factors for conversion from ppb to µg/m3
Gas Conversion factor
NO2 1.912
SO2 2.66
CO 1.16
H2S 1.417
O3 2.00
NO 1.247

At +20 °C (+68 °F) temperature (European standard)