Sensor settings PointGard 2xx0
|
en
Instructions for use
|
Dräger PointGard 2000 Series
27
Setting periodic sensor test
This function periodically initiates the sensor self-test. The
instrument routinely checks the sensor for proper function.
1. Select
Settings
>
Sensor
>
Set sensor test
and confirm.
2. Select
Enable
or
Disable
and confirm.
Starting sensor test manually
This function starts a singular sensor test.
1. Select
Settings
>
Sensor
>
Sensor test
and confirm.
2. Select
Start sensor test
and confirm.
3. Select
Confirm
✓
The test result is displayed.
14.7.2 Gas settings
Setting 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.
The current full scale deflection is displayed.
4. For certain EC sensors only: Set the full scale deflection
and confirm.
The new full scale deflection is displayed.
5. Select
Next
and confirm.
An overview of the new gas settings is displayed.
6. After review, select
Back to menu
or
Confirm
.
14.8 Sensor settings PointGard 2200 CAT
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
.
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.
14.9 Sensor settings PointGard 27x0 IR
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
Otherwise the current full scale deflection is displayed.
Continue with step 6.
4. Select a category and confirm.
Back to menu
Select Back to menu for leav-
ing the function without
changes and confirm with
[OK].
Confirm
Select Confirm to accept the
settings and confirm with
[OK].
Back to menu
Select Back to menu for leav-
ing the function without
changes and confirm with
[OK].
Confirm
Select Confirm to accept the
settings and confirm with
[OK].
