Preparations For Operation; During Operation; Monitoring Measuring Mode - Dräger HFG 000 Serie Instrucciones De Uso

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en Operation
User level 2:
User level 3:
Dräger recommends changing the predefined
passwords after initial commissioning.
Default setting:
Function
Bump test
Fresh air adjustment
Settings menu
Maintenance menu
To log in a user:
1. Select in measuring mode and confirm the
dialog.
2. Select and confirm Login.
3. Enter the four-digit user password and confirm each
digit.
To sign out a user:
1. Select in measuring mode and confirm the
dialog.
2. Select 'Sign out' and confirm the dialog.

4.6 Preparations for operation

WARNING
Serious damage to health!
An incorrect calibration can lead to incorrect measured
values, which may result in serious damage to health.
► Before performing safety measurements, check the
calibration by way of a bump test, adjust as
necessary, and check all alarm elements. If national
regulations exist, the bump test must be performed
in accordance with these regulations.
1. Switch on the gas detector. The current measured
values are shown in the display.
2. Observe warnings, error messages and special
states.
3. Verify that the gas inlet openings and membranes
are clean, freely accessible, dry and undamaged.
4. Check that the date and time are set correctly.
30
0002
0003
User level
0
- -
-
- -
- -

4.7 During operation

WARNING
Danger to life and/or risk of explosion!
The following alarms indicate a danger to life and/or risk
of explosion:
– A2 alarm
– STEL or TWA alarm
– Device/channel error
► Immediately leave the hazard area.
WARNING
-
Incorrect measured values!
-
Only for diffusion mode: If water seals the gas inlets on
-
the gas detector (e.g. in heavy rain or if the gas detector
is submerged in water), incorrect measured values may
-
be returned.
► With the display facing downward, shake the gas
detector to remove the water.
CAUTION
High readings outside of the LEL display range or a
blocking alarm may indicate an explosive
concentration.
If the concentrations of combustible materials are too
high, this may be the result of a lack of O

4.7.1 Monitoring measuring mode

In normal measuring mode, the measured values are
displayed for every measurement gas (see Graphic E
on the fold-out page). The operation signal sounds at
regular interval (configurable), and the green LED
pulses (e.g. visual operation signal or D-light feature).
If a measuring range is exceeded or not reached, the
respective symbol is displayed instead of the measured
value. For further information, see the following
chapter: "Symbol explanations", page 27
If, in measuring mode, a event (e.g. an alarm) occurs,
the respective symbol is displayed in the status bar
(after the event is acknowledged, if necessary).
4.7.1.1 Displaying the measuring channel
To display an individual measuring channel:
1. Select in measuring mode.
2. Use ▲ or ▼ to view the individual measuring
channels.
3. Select to navigate to the measuring channel
overview.
.
2
Instructions for use | X-am® 3500