When the displayed measurement value is stable (after at least 120 seconds):
Press the [OK] key to perform the adjustment.
–
The display containing the current gas concentration changes with the
display »OK«.
Press the [OK] key or wait for approx. 5 seconds to end the adjustment of
this measuring channel.
–
The next measuring channel is displayed for adjustment if necessary.
–
After the adjustment of the last measuring channel, the instrument changes
to the measuring mode.
Close the test gas cylinder valve and remove the instrument from the
calibration cradle.
If a fault has occurred during the span adjustment:
–
The fault message »
« appears and »
respective sensor instead of the measured value.
In this case, repeat the adjustment.
Change the sensor if necessary.
Cleaning
The instrument does not need any special care.
Dirt and deposits can be removed from the instrument by washing it with
cold water. A sponge can be used for wiping if necessary.
Abrasive cleaning tools (brushes etc.), cleaning agents and cleaning solvents
can destroy the dust and water filters.
Carefully dry the instrument with a cloth.
« is displayed for the
CAUTION
Maintenance
The instrument should be inspected and serviced once a year by suitably
qualified persons. Comparisons:
EN 60079-29-2 – Gas detectors - Selection, installation, use and
maintenance of detectors for 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
Recommended calibration interval for measuring channels O
NO
and CO: 6 months.
2
Recommended calibration intervals for the measuring channel IR Ex/CO
12 months.
Calibration intervals of other gases: see Instructions for Use of the respective
DrägerSensors.
See the Technical Manual for details of spare parts.
Storage
Dräger recommends storing the instrument in the charger module
(order no. 83 18 639).
Dräger recommends checking the charge of the power supply at least every
three weeks if the instrument is not stored in the charger module.
Disposal
This product is not permitted to be disposed of with household waste.
This is indicated by with the adjacent icon.
You can return this product to Dräger free of charge. For information
please contact the national marketing organisations and Dräger.
Batteries and rechargeable batteries are not permitted to be disposed
of as household waste. This is indicated by the adjacent icon. Dispose
of batteries and rechargeable batteries as specified by the applicable
regulations and dispose of at battery collection centres.
, H
S, H
, SO
,
2
2
2
2
:
2
27