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INVUE CR288 CONCENTRATION MONITOR
Installation and Use Manual | Entegris, Inc.
CALIBRATE SENSOR TO A CHEMICAL
—
Each sensor head can be set to read a chemical
signature using a user-created chemical calibration
table.
NOTE: The detailed procedure is discussed during a call
with Entegris Technical Support.
BASIC PROCEDURE
1. Prepare chemical at target calibration point.
2. Verify the chemical’s concentration with offline
analysis (if possible).
3. From the
Sensor Calibration/Chemical Calibration
tab
, input the concentration value into the
Con-
centration %
field.
4. Click
Add calibration Point
.
5. Repeat for remaining calibration points.
NOTE: It is typical to add 2-10 points.
6. Press
Save Present Chemical
to save the Chemical
Calibration Table to the user specified file location.
7. Click
Save Memory
to activate the calibration file
on the selected sensor.
Figure 17. Chemical calibration tab.
UNIT OPERATION
—
LAUNCH THE PROGRAM
Double-click on the CR288 icon to launch the
program.
Launch more than one session
Each open session of 288-connect software supports
one DDU. To access more DDUs simultaneously, open
additional sessions.
FUNCTIONS
The user interface is divided into tabs. This section
describes the functions available under each tab.
DISPLAY TAB
Connect to a COM port
The quickest way to access data from a specific
sensor is to select its COM port from the drop
down list.
Open a COM port:
1. Choose a COM Port Number from the dropdown
box.
2. Press
Open COM Port
. The message box displays
“Opened, Talking” if a DDU is attached to the
COM port.
The screen displays the current sensor information,
duplicating the display from the DDU.
The message box displays “Auto: No ebox found” if no
DDU is found attached. See
Troubleshooting
for more
information.
Close a COM port:
1. Choose a COM port number from the dropdown
box.
2. Press
Close COM Port
. A warning box appears.
3. Click ok. The message box displays “Status: closed.”