XP Series Personal Gas Detector
27
22. Other Gases
Default Alarm Set Points
Gas Type Range Level 1 Alarm Level 2 Alarm STEL Alarm TWA Alarm
SO
2
150 ppm 2 ppm 5 ppm 5 ppm 2 ppm
Cl
2
50 ppm 0.5 ppm 1 ppm 1 ppm 0.5 ppm
HCN 100 ppm 5 ppm 10 ppm 10 ppm 5 ppm
NO
2
150 ppm 3 ppm 5 ppm 5 ppm 3 ppm
H
2
999 ppm 100 ppm 500 ppm N/A N/A
NH
3
100 ppm 25 ppm 50 ppm 35 ppm 25 ppm
Calibration Gas Concentration
Toxic Gas
Recommend
Calibration Gas
Concentration
Calibration Gas
Concentration
Range
Calibration
Frequency
SO
2
10 ppm in air or N
2
2~20 ppm 6 months
Cl
2
5 ppm in N
2
1~20 ppm 6 months
HCN 10 ppm in N
2
5~20 ppm 6 months
NO
2
10 ppm in air 5~20 ppm 6 months
H
2
200 ppm in air or N
2
100~200 ppm 6 months
NH
3
25 ppm in air or N
2
25~100 ppm 6 months