MSA PrimaX - Page 38

Gases Zero drift Full scale drift Zero deviation Lower limit of the
measurement
CO
≤ 2 ppm/month ≤ 5 %/month ≤ 4 % of full scale
3 % of full scale
H
2
S
≤ 2 ppm/month ≤ 5 %/month
≤ 2 % full scale, at
least 1 ppm
1 % full scale, at least 1
ppm
Resolution of display
Measuring range Resolution
1 to 10 0.1
25Vol% oxygen 0.1
10 to 2000 1
PrimaX Response Time (diffusion mode without any accessories)
NOTE: The time of response of the entire system is determined by the time of response of all parts of
equipment within the gas detection system.
Oxygen Recovery time
t20 t90 t10
≤8s ≤ 25s ≤ 25s
Toxic Response time Recovery time
t50
t90 t50
t10
CO
≤15s ≤140 s ≤ 9 s
≤70 s
H
2
S
≤4 s ≤64 s ≤ 5 s
≤ 85 s
Combustible Recovery time
t50 t90 t50 t10
Methane
≤ 10s ≤ 18s ≤ 10s ≤ 18s
Propane
≤ 12s ≤ 20s ≤ 12s ≤ 20s
PrimaX Response time (with calibration cap, flow rate 1 l/min)
Combustible Recovery time
t50
t90
t50 t10
1-Ethoxy-2-Propanol
≤ 24 s ≤ 85 s ≤ 24 s ≤ 85 s
Hydrogen
≤ 7 s ≤ 13 s ≤ 7 s ≤ 13 s
Methane
≤ 8 s ≤ 14 s ≤ 8 s ≤ 14 s
Propane
≤ 8 s ≤ 15 s ≤ 8 s ≤ 15 s
GB PrimaX 38
6 Technical Data