Dräger X-am 5000 Notice D'utilisation page 28

Excerpt: For details, see instructions for use/data sheets for the sensors used
Measuring principle
Measured value response time t
0...90
Measured value response time t
0...50
Measuring range
Zero point deviations (DIN EN 45544)
6)
Capture range
Instrument drift
Warm-up time
Effect of sensor poisons
Hydrogen sulphide H S, 10 ppm
2
hydrocarbons, heavy metals, and
substances containing silicone, sulphur
or polymerisation
Linearity error
Standards
(Measuring function for explosion
protection and measurement of oxygen
deficiency and surplus as well as toxic
gases, DEKRA EXAM, Essen, Germany:
3)
BVS 10 ATEX E 080 X ,
PFG 10 G 001 X)
8)
Cross-sensitivities
28
CatEx 125 PR CatEx 125 PR Gas
Catalytic
oxidation
17 seconds for methane 10 seconds for methane
25 seconds for propane 18 seconds for propane
7 seconds for methane 7 seconds for methane
2)
40 seconds for nonane
3)
0 to 100 %LEL
0 to 100 vol.% for methane 0 to 100 vol.% for methane
– – –
– – –
35 seconds
1 %LEL/
8 hours
Possible poisoning Possible poisoning
5 %LEL
7)
EN 60079-29-1
EN 50271
exist
1)
Catalytic Electrochemical
oxidation
10 seconds
6 seconds
3)
0 to 100 %LEL 0 to 25 vol.%
4)
– – –
– – –
5 minutes
35 seconds
1 %LEL/
8 hours
5 %LEL 0.3 vol.%
7)
EN 60079-29-1 EN 50104
EN 50271 (measurement of oxygen
deficiency and oxygen surplus)
EN 50271
exist
XXS O XXS H
2
Electrochemical
15 seconds
6 seconds
0 to 200 ppm
H S
2
– – – 2 ppm
+/- 2 ppm
1 % of measured value/month
– – –
5 minutes
– – – – – –
0.2 vol.%
of the measured value
EN 45544-1/-2
EN 50271
9) 10)
exist exist
S
2
5)