Changing The Sensor; Technical Specifications - Dräger Pac 7000 Gebrauchsanweisung

9

Changing the sensor

WARNING
Danger of explosion! Do not change the sensor in explosion-
hazard areas.
Substitution of components may impair intrinsic safety!
To prevent ignition of flammable or combustible
atmospheres, and to avoid compromising intrinsic safety of
the equipment, read, understand, and adhere to the
maintenance procedures below.
Take care when changing the sensors not to damage or short
out components, and do not use sharp tools to remove the
sensors.
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 Display of error and warning codes
– The error sign [X] or the warning sign [!] flashes and a three-
digit error code is displayed.
– If errors or warnings are active, "– – –" is displayed and the
error sign [X] or the warning sign [!] flashes.
– Press the [OK] button to display the error or warning codes.
– If several error or warning codes are active, the next error or
warning code can be displayed by pressing [OK].
– If error or warning codes are active, first the error and then the
warning codes are displayed.
– If no action has occured for approx. 10 s, the device
automatically returns to the "– – –" display.
11.1 Trouble shooting errors
Error Cause Remedies
code
010 "Horn alarm elements" X- Repair if necessary and
dock test failed test again with X-dock
011 "LED alarm elements" X- Repair if necessary and
dock test failed test again with X-dock
012 "Vibration alarm elements" Repair if necessary and
X-dock test failed test again with X-dock
013 Parameter check failed Correct parameters and
test again with X-dock.
014 Instrument locked by X- Cancel X-dock lock
dock
100 Flash/EEprom write failed Contact Service
104 Flash check sum wrong Contact Service
105 Broken or missing O Replace O
2
sensor
106 Most recent settings Check settings and
restored recalibrate instrument
107 Self test failed Contact Service
108 Configuration not up-to- Reconfigure with the latest
date Dräger CC-Vision
software version
109 Configuration error Reconfigure instrument
161 Set operating time of the Set new operating time of
instrument expired the instrument
210 Zero-point/fresh air Perform zero-point/fresh
calibration failed air calibration
220 Span calibration failed Perform span calibration
221 Calibration interval Calibrate instrument
expired
240 Bump test failed Perform bump test or
calibration
241 Bump test interval expired Perform bump test or
Warnin Cause
g code
162 Set operating time of the
instrument almost expired
222 Calibration interval
expired
242 Bump test interval expired Perform bump test or

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
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 68
Approvals (see "Notes on Approval" on page 211)
sensor
2
12.2 Standard Configuration (Factory Settings)
1)
Bump test mode
Vibration alarm
1)
Bump test interval
1) 2)
Life signal
Turning the instrument off
Data logger interval
Operation timer
% COHB mode
1 May differ for customer-specific orders.
2 For measurements according to EN 45544 (CO, H
EN 50104 (O ) the life signal must be switched on.
2
calibration
Remedies
Set new operating time of
the instrument
Calibrate instrument
calibration
o o
C 32 to 104 F
: >2,700 hours
2
Quick bump test
Yes
Off
Off
1)
Always allowed
1 minute
Off
Off
S) or
2
5