MSA Solaris Manuel D'exploitation page 44

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FACTORY-SET
ALARM SETPOINTS
LOW ALARM
CO
H 2 S
LEL
O 2
NO 2
*NOTE:
Extended temperature range indicates gas readings may vary slightly
if calibrated at room temperature. For optimal performance, calibrate instrument
at temperature of use.
Table 6-3.
COMBUSTIBLE GAS - Typical Performance Specifications
RANGE
0 to 10 0% LEL or 0 to 5.00% CH 4
RESOLUTION
1% LEL or 0.05% CH 4
REPRODUCIBILITY 3% LEL, 0% to 50% LEL reading or
.15% CH 4 , 0.00% to 2.50% CH 4 (normal temperature range*)
5% LEL, 50% to 100% LEL reading or
.25% CH 4 , 2.50% to 5.00% CH 4 (normal temperature range*)
5% LEL, 0% to 50% LEL reading or
.25% CH 4 , 0.00% to 2.50% CH 4 (extended temperature range*)
8% LEL, 50% to 100% LEL reading or .
0.40% CH 4 , 2.50% to 5.00% CH 4 (extended temperature range*)
RESPONSE TIME
90% of final reading in 30 seconds (normal temperature range*)
(LEL only)
90% of final reading in 20 seconds (Methane)
*See TABLE 6-2 NOTE
Table 6-4.
COMBUSTIBLE GAS - Cross Reference Factors
for Solaris General-Purpose Calibration Using Calibration Cylinder
(P/N 10045035) Set to 58% LEL Pentane Simulant
COMBUSTIBLE GAS
Acetone
Acetylene
Acrylonitrile 1
Benzene
Butane
1,3 Butadiene
6-2
HIGH ALARM
35 PPM
100 PPM
10 PPM
15 PPM
10%
20%
19.5%
23.0%
2.5 PPM
5.0 PPM
MULTIPLY %LEL READING BY
STEL
TWA
400
35
15
10
--
--
--
--
5.0
2.5
1.1
0.7
0.8
1.1
1.0
0.9

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