Dräger X-am 5600 Gebrauchsanweisung Seite 28

Excerpt: For details, see the instructions for use/data sheets for the sensors used
Dräger Sensor
Measuring principle
Measured value response time t
0...90
Measured value response time t
0...50
Measuring range
Lower limit of the measuring range
(EN 45544)
Zero point deviations (DIN EN 45544)
4)
Capture range
Instrument drift
Warm-up time
Effect of sensor poisons, hydrogen sulphide
H S, 10 ppm: halogenated hydrocarbons,
2
heavy metals, gases containing silicone,
sulphur or polymerisable substances
Linearity error
Standards
(Measuring function for explosion protection
and measurement of oxygen deficiency and
surplus as well as toxic gases, DEKRA
EXAM, Essen, Germany:
BVS 10 ATEX E 080X, PFG 10 G 001 X
5)
Cross-sensitivities
28
XXS O XXS H S
2 2
Electrochemical Electrochemical
 10 seconds  15 seconds
 6 seconds 6 seconds
0 to 25 vol.%
0 to 200 ppm H
– – – 1 ppm
– – – 2 ppm
+/- 2 ppm
1 % of the
– – –
measured value/
month
5 minutes 5 minutes
– – – – – –
 0.3 vol.%  2 %
of the measured
value
EN 50104 EN 45544-1
(measurement of EN 45544-2
oxygen deficiency EN 50271
and oxygen surplus)
EN 50271
6) 7)
exist exist
1)
XXS H S-LC XXS H
2
Electrochemical Electrochemical
 18 seconds  20 seconds
6 seconds  11 seconds
0 to 100 %LEL
2) 3)
S 0 to 100 ppm H S
2 2
0 to 4 vol.%
0.4 ppm – – –
0.4 ppm 0.02 vol.%
+/- 0.4 ppm +/- 0.02 vol.%
1 % of the 4 % of the
measured value/ measured value/
month month
5 minutes  60 minutes
– – – – – –
 2 %  70 %LEL:
 4 %LEL
of the measured
value > 70 %LEL:
 6.5 %LEL
EN 45544-1 EN 60079-29-1
EN 45544-2 EN 50271
EN 50271
10)
exist exist
-HC XXS NO
2 2
Electrochemical
 15 seconds
6 seconds
0 to 50 ppm NO
2
or
0.2 ppm
– – –
+/- 0.2 ppm
– – –
5 minutes
– – –
 2 %
of the measured
value
– – –
8) exist