
 3 
concentrations. This technique is called 
non-dispersive infrared (NDIR) detection. 
SECTION 3 
Safety 
When using the IAQ10 to check for CO2 
values, make certain that you can safely 
raise and hold the instrument while 
making measurements. Be especially 
careful when working on a ladder. 
Observe all necessary precautions so that 
the unit does not become caught in moving 
machinery or touch any exposed electrical 
wiring. 
DANGER! 
Use with corrosive or other dangerous or 
explosive gas mixtures is not recom-
mended.