22
Dräger X-am 2500
Operation
4
Operation
4.1
Preparations for operation
Before using the instrument for the first time, insert a charged
NiMH T4 power pack or batteries approved by Dräger, see
The instrument is now ready for operation.
4.2
Switching on the instrument
1. Hold down the
[OK]
key for approx. 3 seconds until the
countdown
» 3 . 2 . 1 «
shown on the display has elapsed.
All the display segments, including the visual, audible and
vibration alarms, are activated for a short time.
The software version is displayed.
The instrument performs a self-test.
The sensor that is up next for adjustment is displayed with
the remaining days until the next adjustment, e.g.
ch4 %LEL CAL 20
.
The time until the bump test interval elapses is displayed in
days, e.g.
bt 123
.
All alarm thresholds A1 and A2 as well as (TWA)
1
and
(STEL)
1
for all toxic gases (e.g. H
2
S or CO) are displayed
consecutively.
During the sensor warm-up phase:
The display for the measured value flashes
The special symbol
» «
is displayed.
No alarms are issued during the warm-up phase.
The red LEDs flash.
The gas detector is ready to measure when the measured
values no longer flash and the red LEDs are no longer
illuminated. The special symbol
» «
may continue to be
displayed if corresponding warnings (e.g. not yet ready for
calibration) are active (to view the warnings, see the technical
manual).
2. Press the OK key to cancel the display of the activation sequence.
4.3
Switching off the instrument
Press and hold the OK key and [+] key at the same time until the
countdown
3 . 2 . 1
shown in the display has elapsed.
Before the instrument is switched off, the visual, audible and
vibration alarms are activated for a short time.
WARNING
To reduce the risk of ignition of a flammable or explosive
atmosphere, strictly adhere to the following warning statements:
Only use power pack types ABT 01xx, HBT 00xx or HBT 01xx.
See the marking on the rechargeable battery for permitted
rechargeable batteries and the corresponding temperature
class.
Substitution of components may impair intrinsic safety.
!
1)
Only when activated in the instrument configuration. Delivery condition: not activated.
Summary of Contents for X-AM 2500
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Page 230: ...230 Dr ger X am 2500 1 245 5 Dr ger Dr ger Dr ger Dr ger 1 1 www draeger com ifu i i i i...
Page 237: ...Dr ger X am 2500 237 CatEx 125 PR Dr gerSensor CatEx 125 PR Gas...
Page 238: ...238 Dr ger X am 2500 4 6 4 6 1 A1 A1 O2 A1 A1 A1 A2 OK 4 6 2 A2 A2 O2 A1 A2 OK CatEx CatEx i i...
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