Calibration Specifications - MSA Altair 5X Instruction Manual

5.4 Calibration Specifications

See Section 6.1 for MSA gas cylinder part numbers.
SENSOR
COMB PENTANE
COMB METHANE (0-5% V) FRESH AIR
COMB METHANE (4.4% V)
*COMB PROPANE (1.7% V) FRESH AIR
*COMB PROPANE (2.1% V) FRESH AIR
*COMB BUTANE (1.4% V)
*COMB METHANE (5.0% V) FRESH AIR
COMB HYDROGEN
O
2
CO
H S
2
SO
2
Cl
2
NO
NO
2
NH
3
PH
3
HCN
**ClO
2
IR CO (10% V)
2
IR BUTANE (25% V)
IR PROPANE (100% V)
IR METHANE (100% V)
Span values can be changed if using different gas cylinders than those listed. Changes
can be made using MSA Link software.
*See Section 5.6.
**For most accurate results, calibration with ClO
***Zero cal time is one minute if a catalytic combustible or an IR sensor is installed -
30 seconds if not.
ZERO ZERO
GAS CAL
VALUE
***
FRESH AIR 0
0
FRESH AIR 0
0
0
FRESH AIR 0
0
FRESH AIR 0
FRESH AIR 20.8% 15% O
FRESH AIR 0
FRESH AIR 0
FRESH AIR 0
FRESH AIR 0
FRESH AIR 0
FRESH AIR 0
FRESH AIR 0
FRESH AIR 0
FRESH AIR 0
FRESH AIR 0
FRESH AIR 0.03% 2.5% CO
FRESH AIR 0
FRESH AIR 0
FRESH AIR 0
2
SPAN
CAL
GAS
1.45% METHANE 58 LEL
2.5% METHANE
1.45% METHANE 33 LEL
1.45% METHANE 58 LEL
1.45% METHANE 46 LEL
1.45% METHANE 58 LEL
1.45% METHANE 29 LEL
1.45% METHANE 29 LEL
2
60 PPM CO
20 PPM H S
2
10 PPM SO
2
10 PPM Cl
2
50 PPM NO
10 PPM NO
2
25 PPM NH
3
0.5 PPM PH
3
10 PPM HCN
2 PPM Cl
2
2
8% BUTANE
50% PROPANE
50% METHANE
is recommended.
SPAN CAL
VALUE TIME
(min-
utes)
1
2.5% 1
1
1
1
1
1
1
15.0% 1
60 PPM 1
20 PPM 1
10 PPM 1
10 PPM 2
50 PPM 4
10 PPM 4
25 PPM 2
0.5 PPM 1
10 PPM 4
0.8 PPM 6
2.50% 2
8% 2
50% 2
50% 2
5-5