Sensor Settings Polytron ® 8200 Cat / 8310 Ir; Sensor Type; Gas Settings; Setting Dq Sensor Latching - Dräger Polytron 8000 Serie Notice D'utilisation

en |
Sensor settings Polytron
14.8 Sensor settings Polytron
8310 IR

14.8.1 Sensor type

This function defines the sensor type installed.
1. Select Settings > Sensor > Sensor type and confirm.
2. Select the sensor type and confirm.

14.8.2 Gas settings

This function sets the unit of measurement.
For LC sensors, this function also sets the full scale
deflection.
1. Select Settings > Sensor > Gas setting and confirm.
2. Select the unit of measurement from the list and confirm.
 For DQ sensors and DSIR:
An overview of the new gas settings is displayed.
Continue with step 4.
 For LC sensors:
The current full scale deflection is displayed. Continue
with step 3.
3. Set the full scale deflection and confirm (only for LC
sensors).
 An overview of the new gas settings is displayed.
4. After review, select Back to menu or Confirm.
Back to menu
Confirm

14.8.3 Setting DQ sensor latching

This function is only available without relays installed. This
function configures whether the DQ sensor must be
acknowledged after a measurement at higher concentration
than 100%LEL.
This setting does not apply for LC sensors.
1. Select Settings > Sensor > DQ Sensor latch. and
confirm.
 The current setting is displayed.
2. Select Enable or Disable and confirm.
WARNING
Explosion Hazard
If sensor latching is disabled and an alarm indicating an
explosion hazard is acknowledged, the instrument informs the
end user of such hazard by having the red LED on the display
being continuously lit.
► Before acknowledging an over range, ensure that the gas
concentration has fallen under 100%LEL.
30
®
8xx0
®
8200 CAT /
Select Back to menu for leav-
ing the function without
changes and confirm with
[OK].
Select Confirm to accept the
settings and confirm with
[OK].
WARNING
Explosion Hazard possible
Operation non-compliant with BVS type examination.
If DQ sensor latching is disabled, for safe operation in
accordance with BVS 13 ATEX G 001 X, the control unit must
support this function.
► Make sure that over range latching is active at the control
unit.
14.9 Sensor settings Polytron
14.9.1 Gas settings
This function sets the gas type, measuring range and units of
measurement. Only certain sensors support these settings.
1. Select Settings > Sensor > Gas setting and confirm.
 The current measured gas is displayed.
2. Select a measured gas from the list and confirm.
 The current unit of measurement is displayed.
3. Select the unit of measurement from the list and confirm.
 If the unit of measurement is set to %LEL, %UEG, or
%LIE, the category will be displayed. Continue with
step 4.
 Otherwise the current full scale deflection is displayed.
Continue with step 6.
4. Select a category and confirm.
5. Set the LEL value and confirm.
6. Set the full scale deflection and confirm.
 The new full scale deflection is displayed.
7. Select Next and confirm.
 An overview of the new gas settings is displayed.
8. After review, select Back to menu or Confirm.
Back to menu
Confirm
9. Check the alarm settings after changing the category or
the LEL value.
Instructions for use
®
87x0 IR
Select Back to menu for leav-
ing the function without
changes and confirm with
[OK].
Select Confirm to accept the
settings and confirm with
[OK].
®
|
Dräger Polytron 8000 Series