Activating Silent Mode; Activating Or Deactivating The Capture Range; Maintenance; Maintenance Intervals - Dräger X-am 3500 Manual Del Usuario

4.11.4 Activating silent mode

Silent mode can be activated for 15 minutes on the gas
detector. When silent mode is active, vibration and the
horn are deactivated. Permanent deactivation is
possible using the Dräger CC-Vision PC software.
The certified measuring function expires if the silent
mode is permanently activated.
4.11.5 Activating or deactivating the
capture range
1. Open the device settings.
2. Select Capture ranges.
3. Activate or deactivate the capture range.
4. To adopt the new setting, turn the gas detector off
and back on.
Dräger recommends that you activate the capture
ranges feature.
5

Maintenance

5.1 Maintenance intervals

Test
Inspection and mainte-
nance by specialists.
Check signalling ele-
ments with the signal test
For inspections and maintenance, see:
– EN 60079-29-2 – Guidelines for selection,
installation, use and maintenance of instruments for
the detection and measurement of flammable gases
and oxygen
– EN 45544-4 – Electrical apparatus used for the
direct detection and direct concentration
measurement of toxic gases and vapours – Part 4:
Guide for selection, installation, use and
maintenance
– National regulations

5.2 Calibration intervals

Observe the relevant specifications in the Sensor
Handbook or in the instructions for use/data sheets of
the DrägerSensors installed.
X-am
Interval
Every 12 months
Automatically each time
the device is started or
manually
®
3500
Recommended calibration intervals for DrägerSensors:
DrägerSensor
CatEx, O , H S, H S LC,
2 2 2
CO LC, SO , NO
2 2
Replacing, retrofitting or removing sensors, see
technical manual.

5.3 Test gases

Test gas properties (e.g. relative humidity,
concentration) can be found in the relevant sensor data
sheet.
The relative humidity of the test gas is not relevant for
O sensors.
2
Different test gases are used depending on the type of
calibration.

5.4 Perform bump test

The bump test can be performed as follows:
– Bump test with the wizard (quick bump test)
– Bump test with X-dock (quick or extended bump
test)
Dräger recommends using the extended bump test
for cross calibrations (Dräger X-dock instructions for
use).
5.4.1 Carrying out bump tests with the
wizard
WARNING
Health hazard from test gas
Breathing in of test gas can be harmful to health or lead
to death.
► Do not inhale the test gas.
► Observe risks connected with the test gas, hazards
notes and safety advice (see for example safety
data sheets, instructions on the testing media).
WARNING
Incorrect alarm behaviour!
A closed gas path causes incorrect measured values.
This may cause alarms to be triggered incorrectly.
► Never close the outlet of the calibration adapter.
Maintenance
Calibration interval
Every 6 months
en