Changing The Sensor; Instrument Alarm; Technical Specifications - Dräger Pac 7000 Notice D'utilisation

9

Changing the sensor

WARNING
Danger of explosion!
Do not change the sensor in explosion-hazard areas.
Notice
Replace sensor when instrument can no longer be
calibrated!
Notice
Use only the DrägerSensor XXS of the same gas type!
– Turn the instrument off.
– Unscrew the 4 screws from the back case.
– Open the front case and remove the battery.
– Remove the sensor.
– Insert the new sensor.
– Press and hold [OK] for approx. 3 seconds while battery is
not installed.
– Insert the battery according to specified polarity (+/–).
– Place front case back and fasten it by tightening the 4 screws
of the back case.
– After inserting the battery a sensor warm up time is needed
(see chapter 12.3). The gas value flashes until the warm up
time has passed.
– After changing the sensor and after the warm up time is
finished the instrument must be calibrated (see chapter 5.3).
10 Changing dust and water filter
11

Instrument alarm

– The alarm and LED will be activated three times, periodically.
– The [X] icon is flashing; a 3 digit error code will be shown in
the display.
– If an error appears in the display see chapter 11.1 and if
necessary please contact Service of Dräger.
11.1 Trouble shooting errors
Code Cause Remedies
100 Flash/EEprom write failed Contact Service
102 AD system defect Contact Service
104 Flash check sum wrong Contact Service
105 Broken or missing O Replace O
2
sensor
106 Most recent settings Recalibrate instrument
restored
107 Self test failed Contact Service
108 Data Logger download Repeat operation
faild
109 Configuration incomplete Configure again
220 Calibration failed or Perform calibration
calibration interval
expired
240 Bump test failed or bump Perform bump test or
test interval expired calibration

12 Technical Specifications

12.1 General
Environmental Conditions
During operation temperature see see chapter 12.3 and
see chapter 12.4
700 to 1300 hPa
10 to 90 % relative humidity
Conditions for 0 to 40
storage 30 to 80 % relative humidity
Battery life 24 hours of use per day,
o
(typical at 25 C) 1 minute alarm per day:
>5,500 hours, O
sensor
2
Intensity of alarm typical 90 dBA at 30 cm/1 ft.
Dimensions 64 x 84 x 20 mm (battery compartment
(without clip) 25 mm)
2.5 x 3.3 x 0.8 (battery compartment 1 in.)
Weight 106 g/3.8 oz.
Ingress protection IP 66
Approvals (see "Approvals" on page 207)
12.2 Standard Configuration (Factory Settings)
Vibration Alarm
Bump Test Interval
1)
Life Signal
Turning the instrument off
Data Logger Interval
Operation Timer
% COHB Mode
1) For measurements according to EN 45544 (CO, H
the Life Signal must be switched on.
o o
C 32 to 104 F
: >2,700 hours
2
yes
off
off
always allowed
1 minute
off
off
S) or EN 50104 (O )
2 2
5