Dräger Polytron 8000 Serie Instrucciones De Uso página 29

6. Check calibration. If necessary, calibrate the instrument
(see "Calibration", page 22).
7. Check the installation requirements and instrument for SIL
status.
See sections "Explosion proof (Ex d) installation - without
Docking Station" to "Installation of sensors or sensing
heads".
®
10.2.2 Polytron 8200 CAT, 8310 IR, 87x0 IR
Replacing a sensor
1. If necessary, set the maintenance current for the analog
interface.
2. Turn off power to the instrument or declassify the area
according to local regulations.
3. Loosen set-screw and unscrew lid from instrument.
4. Pull out the PCB unit.
5. Turn PCB unit over and pull off the sensor connector.
6. Unscrew the sensor.
7. Insert the sensor wires through he threaded port of the
enclosure.
WARNING
Explosion hazard!
The enclosure openings must be sealed to prevent ignition of
hazardous atmospheres in case of an ignition inside the
enclosure.
► Five threads must be engaged to ensure explosion proof
status.
8. Screw in the sensor and tighten with the correct tightening
torque (min. 266 in-lbs / min. 30 Nm)
®
9. Polytron 8200 CAT-specific:
Twist the sensor wires together. If necessary, fit a cable tie
to keep the wires tight.
10. Plug the sensor connector back into socket.
11. Place PCB unit back into the enclosure.
12. Screw the cover on the instrument until it is correctly
engaged (min. ≥44 in-lbs / min. ≥5 Nm) and tighten the
locking screw.
13. Apply power to the instrument, if necessary.
 The maintenance signal on the 4-20mA interface
remains pending until the sensor is warmed-up.
Maximum warm-up time of a new sensor: see the
Instructions for Use for the sensor.
14. Check calibration. If necessary, calibrate the instrument
(see "Calibration", page 22).
15. Check the installation requirements and instrument for SIL
status.
See sections "Explosion proof (Ex d) installation - without
Docking Station" to "Installation of sensors or sensing
heads".
Instructions for use |
Dräger Polytron
®
8000 Series
10.3 Performing a display test
1. Select and confirm Settings > Instrument > Display >
Displaytest.
2. Select and confirm Enable.
 The information on the display is shown inverted. All
LEDs are turned on.
When the menu is exited, the inversion is ended.
11 Instrument settings
11.1 Setting passwords
1. Select Settings > Instrument > Passwords the desired
password and confirm.
Calibration Access to zero and span calibration
PWD
Settings PWD Access to all configuration parameters
2. Select the line for editing the password and confirm.
3. Set the password and confirm.
4. Select Confirm and confirm with [OK].
11.2 Setting date and time
1. Select Settings > Instrument > Date and time and
confirm.
2. Select the line for editing the date or time and confirm.
3. Select Confirm and confirm with [OK].
11.3 Setting language
1. Select Settings > Instrument > Language and confirm.
2. Select a language from the list and confirm.
11.4 Configuring function key
1. Select Settings > Instrument > Function key and
confirm.
2. Select a function and confirm.
Graph The measurements of the past 15 minutes
are displayed as a time/concentration
graph.
Faults Fault messages are displayed in plain text.
Warnings Warning messages are displayed in plain
text.
The bump-test allows applying gas to the
Bump test
sensor without generating an alarm. The
maintenance signal is transmitted. After 15
minutes or tapping [OK] again ends the
bump test and the instrument returns to nor-
mal operation.
Sensor vital- Shows the remaining sensor vitality.
1)
ity
1) Only with diagnostic dongle
Instrument settings | en
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