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Maintenance
Maintenance
Maintenance intervals
The device should be inspected and maintained by suitably qualified persons every six months
(consult: EN 50073 – Guide for the selection, installation, use and maintenance of apparatus
for the detection and measurement of combustible gases or 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 and national
regulations).
● Depending on device configuration:
Replace the alkaline batteries or charge the battery – refer to page 41 to page 42 – after
each use, at the latest after the battery alarm has been triggered or after 2 weeks.
● Device calibration – page 34.
— In regular intervals, according to the used sensors and the operating conditions. For
sensor-specific calibration data, refer to the Instructions for Use of the used sensors
*)
.
— Before you carry out safety-related relevant measurements, the zero point and sensitivity of
the devices should be tested in accordance with national regulations.
● Inspection by suitably qualified persons – every year.
— The inspection intervals must be established in each individual case and shortened if
necessary, depending on technical safety considerations, engineering conditions and the
technical requirements of the equipment.
— We recommend that a service agreement be concluded with Dräger Safety and that repairs
also be carried out by them.
● Replace the sensors, page 45 – if necessary, when it is not possible to calibrate the
sensors anymore.
*)
The Instructions for Use of the used sensors are supplied with the device on CD.
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