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One Hyperterminal
RS-232 Capture Instructions
1. Connect the 9 pin serial cable (part no. WHX18) from the Thermo Scientific TII RS-232 port on
the back left side of the unit to (COM2:) port or (COM1:) port on back of computer.
2. Press MENU and use the up and down arrows until display reads, "SYSTEM OPTIONS."
3. Press OK.
4. From the "Printer Attached" display, press the up or down arrow for "NO".
5. Press OK.
6. Now, during the normal recirculation mode, date, time, purity and temperature readings will be
sent to the computer once per minute.
7. Run your Microsoft Windows program. Open Hyperterminal (located in the accessories
directory), give your setting a name and choose a symbol.
8. In the "Connect Using:" box, select (COM2:) or (COM1:), depending on your computer, and
press OK.
9. Using the selection boxes in the next screen, configure the options as 9600 baud, 8-bit, No parity,
1 stop bit, Flow Control: None.
10. To receive data to a file, select Transfer and capture text. Accepting default will put the file which
you name in the c:/windows directory called capture.txt and the file will be an ASCII text file.
11. You should see the data on the computer screen.
12. When you are finished storing data from the Thermo Scientific TII, save your file. You can exit.
13. Hyperterminal or set up a new experiment.
14. Hyperterminal data can be manipulated and graphed in Excel®.
Procomm
1. Connect the 9 pin serial cable from the Thermo Scientific TII RS-232 port on the back left side of
the unit to (COM2:) port or (COM1:) port on back of computer.
2. Press MENU and use the up or down arrows until the display reads, "SYSTEM OPTIONS."
3. Press OK.
4. From the "Printer Attached" display. Press the up or down arrows for "NO".
5. Press OK.
6. The unit will now, during the normal Recirculation mode send a purity and temperature reading
to the computer once per minute.
7. Open DOS window and change directory to procomm directory.
Thermo Scientific
Note Due to character set differences, hyperterminal may display the Ω symbol as ê. Also,
the ° symbol may be displayed as ø.
Installation
Computer/Printer Setup
TII Water System
3-23
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