Oldham OX 2000, Use And Maintenance

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17
7
7
.
.
T
T
H
H
E
E
A
A
L
L
A
A
R
R
M
M
S
S
Visual:
Red indicator clearly visible on 4 sides and located at the top of the instrument (see
figure 1 rep 6).
Audible:
Loud buzzer located above the front panel of the instrument (see figure 1 rep.7).
GAS:
The “ gas ” audible and visual alarm is triggered when at least one of the two
preprogrammed thresholds is exceeded (instantaneous or STEL/TWA for the
taximeter version)
* Toximeter version
1
:
•
The instantaneous adjustable threshold
2
: can be altered as desired by the
user with the help of the maintenance / programming mode, and identified
by the following pictogram
• The instantaneous fixed threshold
3
: programmed by OLDHAM. It is
identified by the following pictogram
• The STEL threshold
3
: Programmed by OLDHAM. Display of M15
alternatively with the value
•
The TWA threshold
3
: Programmed by OLDHAM. Display of M8H
alternatively with the value.
•
The STEL/TWA thresholds
3
: The STEL and TWA thresholds are
programmed by OLDHAM at the reinitialization of the device and cannot be
modified by the user. The thresholds are programmed by default following
the certificated values. It is identified by the pictogram
* Oxygenometer version :
• The “ down ” threshold
2
: adjustable from 0% oxygen to the "up" threshold
and identified by the following pictogram
• The “ up ” threshold
2
: adjustable up to 25% oxygen and identified by the
following pictogram
1
the instantaneous and STEL/TWA alarms are not available for the range 0-5 % COHB (HBCO)°
2
Threshold 1 = 1 beep every 2 seconds
3
Threshold 2 = 1 beep each second