Switching On The Instrument; Switching Off The Instrument; Before Entering The Workplace - Dräger X-am 2500 Instructions For Use Manual

Operation
4.2

Switching on the instrument

1. Hold down the [OK] key for approx. 3 seconds until the
countdown » 3 . 2 . 1 « shown on the display has elapsed.
All the display segments, including the visual, audible and

vibration alarms, are activated for a short time.
The software version is displayed.

The instrument performs a self-test.

The sensor that is up next for adjustment is displayed with

the remaining days
ch4 %LEL CAL 20.
The time until the bump test interval elapses is displayed in

days, e.g. bt 123.
All alarm thresholds A1 and A2 as well as

1
(STEL) for all toxic gases (e.g. H
consecutively.
During the warm-up period of the sensors, the respective

displays of the measured value and the special symbol flashes
(for warning). No alarms are issued during the warm-up period of
the sensors.
2. Press the OK key to cancel the display of the activation sequence.
4.3

Switching off the instrument

Press and hold the OK key and [+] key at the same time until the

countdown 3 . 2 . 1 shown in the display has elapsed.
Before the instrument is switched off, the visual, audible and
vibration alarms are activated for a short time.
1) Only when activated in the instrument configuration. Delivery condition: not activated.
26
until the next adjustment,
1
(TWA)
S or CO) are displayed
2
4.4

Before entering the workplace

Switch on the instrument. The current measured values are shown in the display.
WARNING
!
Before any measurements relevant to safety are made, check
the adjustment with a bump test, adjust if necessary and
check all alarm elements. If national regulations apply, a bump
test must be performed according to the national regulations.
Faulty adjustment may result in incorrect measuring results,
e.g.
with possible serious consequences.
WARNING
!
In an oxygen enriched atmosphere (>21 vol. % O
and
the explosion protection cannot be guaranteed; remove
instrument from the explosion-hazard area.
CAUTION
!
The CatEx sensor is intended for measurements of flammable
gases and vapours mixed with air (i.e. O
Incorrect measured values may be displayed in the case of
oxygen deficient or oxygen enriched environments.
1. Switch on the instrument. The current measured values are shown
in the display.
2. Observe any warning
The instrument can be operated normally. If the warning message
does not disappear automatically during operation, the instrument
must be serviced after the end of use.
The instrument is not ready to measure and requires maintenance.
3. Check that the gas inlet opening on the instrument is not covered
or dirty.
content ≈ 21 vol.%).
2
or fault messages.
Dräger X-am 2500
),
2