Hanna Instruments HI 221 - Manual (Page 28)

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Data transmission from the instrument to the PC can be done with the HI
92000 Windows ® compatible software (optional). The HI 92000 also offers
graphing and on-line help.
Data can also be exported to the most popular spreadsheet programs for
further analysis.
To connect your instrument to a PC, use the optional Hanna HI 920010 cable.
Make sure that your instrument is switched off and plug one end into the
instrument’s RS232C socket and the other end into the serial port of your PC.
Note: Cables other than HI 920010 may use a different configuration, in
which case communication between the instrument and the PC may
not be possible.
If you are not using optional Hanna HI 92000 software, please see the
following instructions.
The Command Prefix must be 16 when using HI 92000 software.
SENDING COMMANDS FROM PC
It is also possible to remotely control the instrument with any terminal pro-
gram. Use the optional Hanna HI 920010 cable to connect the instrument to
a PC, start the terminal program and set the communication options as
follows: 8, N, 1, no flow control.
COMMAND TYPES
To send a command to the pH meter the scheme is:
where: is a selectable ASCII character
between 0 and 47 (default 16).
is the command code (3 characters).
Note: Either small or capital letters can be used.
PC INTERFACE
Note: Press the CAL key to leave the calibration mode at any time.
If the measured value is not close to the calibration point, the “WRONG“
tag will start to blink. In this case, check if the value set on the
simulator is the same as the calibration value on the instrument. Set
the proper value on the simulator.