Identifying Alarms - Dräger X-am 5100 Gebrauchsanweisung

Use
3.4 In use
CAUTION
!
To ensure correct measurement operation, the gas inlet
opening on the instrument must not be covered or dirty.
The sensor cap must not be twisted.
During operation, the measured values for the measured gas
are displayed.
If a measuring range is exceeded or a negative drift occurs, the
following displays are shown instead of the measured value display:
» « (Too high concentration) or
» « (Negative drift).
In the event of an alarm, the corresponding displays, including the
visual, audible and vibration alarms, are activated, see "Identifying
Alarms" on page 20.
3.5

Identifying Alarms

An alarm is displayed visually, audibly and through vibration in
a specific pattern.
3.5.1 Concentration pre-alarm A1
The alarm is indicated by an intermittent alarm
message:
Display shows » A1 « and measured value alternating:
The pre-alarm A1 is not self-latching and is cancelled when the
concentration has dropped below the alarm threshold A1.
In the case of A1, there is a single intermittent audible tone and
alarm LED flash.
In the case of A2, there is a double intermittent audible tone and
alarm LED flash.
20
Acknowledging the pre-alarm:
Press the key. Only the audible alarm and the vibration alarm
OK
are switched off.
3.5.2 Concentration main alarm A2
WARNING
!
Danger to life! Leave the area immediately. A main alarm is
self-latching and cannot be acknowledged or cancelled.
The alarm is indicated by an intermittent alarm
message:
Display shows » A2 « and measured value alternating:
After leaving the area, if the concentration is less than the alarm
threshold:
Press the key. The alarm messages are switched off.
OK
3.5.3 STEL / TWA exposure alarm
WARNING
!
Leave the area immediately. After this alarm, the deployment
of personnel is subject to the relevant national regulations.
The alarm is indicated by an intermittent alarm
message:
Display shows » A2 « and »
measured value alternating:
The STEL and TWA alarm cannot be acknowledged or cancelled.
Switch off the instrument. The values for the exposure evaluation
are deleted after the instrument is switched on again.
« (STEL) or » « (TWA) and
Dräger X-am 5100