name range (ppm) in box
126B Carbon dioxide0.03-0.7%
100-1,500		10
126SA Carbon dioxide0.2-5.2%
0.1-2.6%		10
126SB Carbon dioxide0.05-1.0%10
126SF Carbon dioxide100-2000
200-4000		10
126SG Carbon dioxide0.02-0.7%
0.04-1.4%		10
126SH Carbon dioxide1-20%10
601SP Carbon dioxide100-3000