INVUE CR288 CONCENTRATION MONITOR
9
Installation and Use Manual | Entegris, Inc.
1. On the
Sensor Calibration
tab, press
Load Memory
to import factory settings.
2. Press
Save Complete Sensor Info to File
to
write the factory settings to a file. The file size is
approximately 2 K and has a *.cr288 extension.
NOTE: Keep this file and back it up to a secure location.
The file enables you to restore factory settings.
Figure 10. Saving factory settings to a file.
CHECK FACTORY INITIALIZATION
—
This step confirms that the sensor is functioning
in air as expected.
1. On the
Diagnostics
tab, ensure the TIR curve is
flat and the “Line Quality in Air” is below 3.0e-3.
See Figure 11. Flat TIR curve.
2. Set initial parameters.
NOTE: If the TIR curve is not flat:
a. Reconfirm that the CR288 window is clean
and dry.
b. Perform a re-zero. See
Re-zero
for instructions.
If the problem persists, contact Technical Support.
Figure 11. Flat TIR curve.
SET INITIAL PARAMETERS
—
1. Select the
Sensor Calibration
tab. Within that tab,
select the
Sensor Info
tab.
2. Set desired number of rolling averages. See
Change
Rolling Averages
for information.
3. Optional: On the
Sensor Info
tab, set 4 – 20 mA
zero to full span to match user PLC settings for
concentration.
4. Optional: Set 4 – 20 mA zero to full span to match
user PLC settings for temperature.
5. Leave other settings unchanged.
6. Press
Save Memory
to activate the new settings.
Figure 12. Setting initial parameters.
