Dräger X-am 3500, Быстрый старт, Страница: 2 / 2

90 33 655 - ED 4836.300 Dräger Safety AG & Co. KGaA
© Dräger Safety AG & Co. KGaA Revalstraße 1 Tel +49 451 882 0
Edition 04 - June 2019 (Edition 01 - June 2017) 23560 Lübeck, Germany Fax +49 451 882 20 80
Subject to alteration www.draeger.com
Sensor data Excerpt: For details, see instructions for use/data sheets for the respective sensor
.
The instructions for use, technical manual and data sheets for the utilized sensors can be downloaded from: www
.draeger
.com/ifu
and the PC software CC-V
ision from: www
.draeger
.com/
software For the conversion of the test gas concentration between %LEL and V
ol.% see Information system on hazardous substances (GESTIS)
of the German Social
Accident Insurance (IF
A)
https://www
.dguv
.de/ifa/gestis/gestis-stof
fdatenbank/index-2.jsp
or LEL values in accordance with EN 60079-20-1.
Note: 
The requirements of the standards regarding error limits are valid for the whole operating range of the device, deviations are: XXS H2 HC sensor
, increased indication at -20 °C;
≤
4.5 %LEL between -10 °C and +50 °C
XXS CO-LC sensor
, increased indication at >40 °C; at zero-point <=7 ppm, test gas concentration
≤
27 %

Dual IR Ex Sensor at measuring range 0-5 vol.% methane (CH4), the deviation from the volume fraction at 1.46 vol.% CH4 caused b
y added 0.075 vol.% ethane (C2H6) in air
, is about + 25 % rel.

In sub-zero temperatures, the response times of the XXS CO-LC and XXS O2 sensor may be increased compared to room temperature.
If necessary
, check response times (see instructions for use).
DUAL IR Ex / CO
2
681
1960
CatEx 125 PR
6812950
CatEx 125 PR
Gas
6813080
XXS H
2
S-LC
681
1525
XXS H
2
-HC
6812025
XXS O
2
6810881
XXS CO-LC
6813210
IR Ex
6812180
IR CO
2
6812190
X-am 3500/8000
X-am 8000
X-am 3500/8000
X-am 8000
X-am 3500/8000
X-am 3500/8000
X-am 8000
X-am 8000
Measuring principle
Catalytic combusti-
on
Catalytic combusti-
on
Electrochemical
Electrochemical
Electrochemical
Electrochemical
Infrared
Infrared
Indication range
0 to 100 %LEL
0 to 100 %LEL
0 to 100 vol.%
(CH
4
)
0 to 100 ppm
0 to 100 %LEL
0 to 25 vol.%
0 to 2000 ppm
0 to 100 %LEL
0 to 100 vol.%
(CH
4
)
0 to 5 vol.%
Measuring range (certified)
0 to 100 %LEL
1)
1)
CatEx 125 PR: alkanes from methane to n-Octan. CatEx 125 PR Gas: methane, propane, ethane, ethene, ethine, propene, n-butane, i-butene, hydrogen. LEL values in accordance with EN 60079-20-1.
At air speed of 0 to 6 m/s, the deviation of the reading is 5 to 10 % of the measu
red value.
0 to 100 %LEL
1)
0 to 5 vol.%
0.4 to 100 ppm
0 to 100 %LEL
0 to 25 vol.%
3 to 500 ppm
0 to 100 %LEL
2)
0 to 5 vol.% (CH
4
)
2)
IR Ex: methane, propane, n-nonane; LEL values in accordance with EN 60079-20-1.
0.05 to 5 vol.%
Capture range
3)
3)
This range of measured values is known as capture range where minor measured value fluctuations (e.g. signal noise, concentra
tion fluctuations) does not result in a changing display
. Measured values
outside the capture range are displayed using their actual measured values. By using Dräger CC-V
ision the set capture range can
be read out and activated/deactivated. By default, the capture range
is continuously activated in measuring mode and is disabled in calibration mode.
+2 to -5 % LEL
+2 to -5 % LEL
±0.4 ppm
±0.5 %LEL
±0.4 vol.%
±1.4 ppm
±1 %LEL
390 ppm
±100 ppm
Drift per month

±1 %LEL (CH
4
)

±3 %LEL (C
3
H
8
)

±1 %LEL (CH
4
)

±2 %LEL (C
3
H
8
)

1.9 % of
measured value
±4 %LEL

±1 % of
measured value

1.2 % of
measured value

±2 %LEL (CH
4
)

±1 %LEL (C
3
H
8
)

±0.8 % of
measured value
W
arm-up time

85 s

85 s

85 s

85 s

120 s

85 s

85 s

85 s
Ef
fect of sensor poisons
HMDS, 10 ppm hydrocarbons, heavy metals, and substances containing silicone, sul- phur or polymerisation

1 %LEL/
8 h
Possible poisoning

1 %LEL/
8 h
Possible poisoning
n/a
n/a
n/a
n/a
n/a
n/a
Linearity error

2 %LEL (CH
4
)

5 %LEL (C
3
H
8
)

4 %LEL (CH
4
)

1 %LEL (C
3
H
8
)

0.1 % of
measured value
±1.5 %LEL

0.3 vol.%

1.2 % of
measured value

2 %LEL (CH
4
)

3 %LEL (C
3
H
8
)

7.8 % of
measured value
Standards Measuring function for flammable gases, oxygen deficiency / enrich- ment and toxic gases, DEKRA
Testing and Certification GmbH:
BVS 17 A
TEX E 040 X
1)
,
PFG 19 G 001 X
EN 60079-29-1
EN 50271
EN 60079-29-1
EN 50271
EN 45544-1 EN 45544-2 EN 45544-3
EN 50271
EN 60079-29-1
EN 50271
EN 50104 EN 50271
EN 45544-1 EN 45544-2 EN 45544-3
EN 50271
EN 60079-29-1
EN 50271
EN 45544-1 EN 45544-2 EN 45544-3
EN 50271
Cross-sensitivities
exist
4)
4)
The instrument responds to most combustible gases and vapours.
The sensitivities dif
fer depending on the type of gas. Dräger
recommends a calibration using the target gas to be measured. Regarding
catalytic combustion sensors in the range of alkanes, the sensitivity decreases from methane to nonane.
The sensitivity ratios
between dif
ferent gases can change as a result of sensor aging or poiso-
ning.
exist
4)
Additively af
fected
by:
SO
2
, NO
2
, H
2
Negatively af
fec-
ted by
: Cl
2
Additively af
fected
by: C
2
H
2
, NO, CO
Increased hydro-
gen concentra-
tions within the
range of XXS H
2
HC may result into
false alarms by ad-
ditive ef
fect on the
XXS H
2
S and the
XXS CO, as well as
due to the negative
ef
fect on the XXS
O
2
Negatively af
fec-
ted by:
C
2
H
6
, C
2
H
4
, C
2
H
2
,
CO
2
, H
2
No O
2
measure-
ment in He
Additively af
fected
by:
C
2
H
2
, H
2
, NO
exist
4)
n/a
Diffusion
T
ime of response t
0...90

20 s (CH
4
)

30 s (C
3
H
8
)

15 s (CH
4
)

29 s (C
3
H
8
)

20s

15s

9 s

21 s

21 s (CH
4
)

57 s (C
3
H
8
)

48 s
T
ime of response t
0...50
(Ex,
Tox)
T
ime of response t
0...20
(O
2
)

9 s (CH
4
)

12 s (C
3
H
8
)

8 s (CH
4
)

12 s (C
3
H
8
)

14 s

10 s

5 s

13 s

10 s (CH
4
)

14 s (C
3
H
8
)

14 s
T
ime of recovery t
0...10

17 s (CH
4
)

21 s

n/a

21 s

30 s (CH
4
)

47 s
T
ime of recovery t
0...50


7 s (CH
4
)

14 s

n/a

12 s

10 s (CH
4
)

15 s
Pump
T
ime of response t
0...90

12 s (CH
4
)

15 s (C
3
H
8
)

10 s (CH
4
)

13 s (C
3
H
8
)

20 s

15 s

8 s

16 s

11
s (CH
4
)

15 s (C
3
H
8
)

14 s
T
ime of response t
0...50
(Ex,
Tox)
T
ime of response t
0...20
(O
2
)

9 s (CH
4
)

11
s (C
3
H
8
)

8 s (CH
4
)

10 s (C
3
H
8
)

15 s

11
s

6 s

11
s

9 s (CH
4
)

10 s (C
3
H
8
)

10 s
T
ime of recovery t
0...10

10 s (CH
4
)

20 s

n/a

16 s

11
s (CH
4
)

14 s
T
ime of recovery t
0...50


8 s (CH
4
)

14 s

n/a

12 s

9 s (CH
4
)

10 s
Calibration adapter
T
ime of response t
0...90

35 s (C
8
H
18
)

23 s other
certified gases


160 s (C
9
H
20
)

T
ime of response t
0...50

100 s (C
8
H
18
)

12 s other
certified gases


28 s (C
9
H
20
)
