Sensor Performance Specifications - MSA Altair 5X Mode D'emploi

5.3 Sensor Performance Specifications

PRIMARY SENSORS
RANGE
Com- 0-100% LEL
bustible or 0-5% CH
(LEL)
Oxygen 0-30% O
Carbon 0-2000
Mon- ppm CO
oxide
Hydro- 0-200
gen ppm H
2
Sulfide
RESOLUTION
1% LEL or
0.05% Vol
4
CH
4
0.1% O
2 2
1 ppm CO,
1 ppm H
S 3-200
ppm H S
2
REPRODUCIBILITY
Normal temp. range:
<50% LEL:
50-100% LEL:
<2.5% CH :
4
2.5-5.00% CH
Extended temp. range:
<50% LEL:
50-100% LEL:
<2.5% CH 4 :
2.5-5.00% CH
0.7% O for 0 - 30% O
2
Normal temp. range:
±5 ppm or 10% of reading,
whichever is greater;
Extended temp. range:
±10 ppm or 20% of reading,
whichever is greater
S, Normal temp. range:
2
±2 ppm H S
2
or 10 % of reading,
whichever is greater;
Extended temp. range:
±20 ppm or 20% of reading,
whichever is greater
RESPONSE
TIME
t(90) <15 sec
3% LEL (Pentane)
5% LEL (normal temp.)
0.15% CH
4
: 0.25% CH t(90) <10 sec
4 4
(Methane)
(normal temp.)
5% LEL
8% LEL
0.25% CH
4
: 0.40% CH
4 4
t(90) <10 sec
2
(normal temp.)
t(90) <15 sec
(normal temp.)
t(90) <15 sec
(normal temp.)
5-3