Sensor Data - Dräger X-AM 2500 Technical Manual

11.2 Sensor Data

Extract! For details, see the data sheets for the sensors used (Instructions for use/data sheets for the Dräger sensors can be
downloaded from the product page for the X-am 2500 on the following website: www.draeger.com)
Measuring principle
Measurement value configuration time
t
0..0.90
Measurement value configuration time
t
0...50
Measuring range
Zero error (EN 45544)
Instrument drift
Warm-up time
Effect of sensor poisons
Hydrogen sulphide H S,
2
10 ppm
Halogenated hydrocarbons,
metals, substances 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 GmbH, Essen,
Germany: BVS 10 ATEX E 080X
PFG 10 G 001X
9
Cross sensitivities
Dräger X-am 2500
Ex
Catalytic oxidation
for methane 17 seconds
for propane
25 seconds
for methane 7 seconds
for nonane
40 seconds
0 to 100 %LEL
for methane
0 to 5 vol. %
– – –
– – –
35 seconds
1 %LEL/
8 hours
heavy
Poisoning possible
5 %LEL
EN 60079-29-1
EN 50271
2)
,
Fitted
.
XXS O
2
Electrochemical
10 seconds
6 seconds
1
2 0 to 25 vol. %
– – –
– – –
5 minutes
– – –
– – –
0.3 vol. %
5 6
EN 50104
(measurement of
oxygen deficiency
and oxygen
surplus)
EN 50271
Fitted
XXS H S-LC
2
Electrochemical Electrochemical
18 seconds 25 seconds
6 seconds
3
0 to 100 ppm H S 0 to 2000 ppm CO
2
0.4 ppm
1 % of measured 1 % of measured
value/month value/month
5 minutes
– – –
– – –
2 % of the
measured value measured value
7
EN 45544-1/-2 EN 45544-1/-2
EN 50271
Fitted
Technical data
XXS CO
6 seconds
4
6 ppm
5 minutes
– – –
– – –
3 % of the
8
EN 50271
Fitted
29