MSA ALTAIR Pro Mode D'emploi page 29

Table 3-1. Factory Set Default Calibration/Bump Test Values
INSTRUMENT TYPE
CO
H 2 S
O 2 and O 2 -R
SO 2
NO 2
NH 3
PH 3
HCN
Cl 2
ClO 2
* The O 2 bump test can also be performed by exhaling on the sensor inlet for
approximately three to five seconds.
** MSA recommends calibration of the ClO 2 ALTAIR Pro Detector using a ClO 2 generator
for most accurate calibration. This instrument has a cross-sensitivity factor to Cl 2 of:
2 ppm Cl 2 equals approximately 0.8 ppm ClO 2 .
BUMP TEST GAS
60 ppm
40 ppm
<19%*
10 ppm
10 ppm
25 ppm
0.5 ppm
10 ppm
10 ppm
2 ppm Cl 2
CALIBRATION GAS
60 ppm
40 ppm
20.8%
10 ppm
10 ppm
25 ppm
0.5 ppm
10 ppm
10 ppm
0.8 ppm ClO 2 **
3-3