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PC INTERFACE
Data transmission from the instrument to the PC can be done with the
HI 92000
Windows
compatible software (optional).
HI 92000
also offers graphing and on-line help features.
Data can be exported to the most popular spreadsheet programs for further analysis.
To connect your instrument to a PC use a standard USB connector. Make sure that your
instrument is switched off and plug one connector to the instrument’s USB socket and the other
to the USB port of your PC.
If you are not using Hanna Instruments
HI 92000
software, please see the following instructions.
SENDING COMMANDS FROM PC
It is also possible to remotely control the instrument with any terminal program. 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 instrument follow the next scheme:
<command prefix> <comand><CR>
where <command prefix> is the ASCII character having the code 16.
<command> is the command code.
Note:
Either small or capital letters can be used.
Upon reception of a command the instrument will answer with:
<STX><answer><checksum><ETX>
where the checksum is the bytes sum of the answer string, sent as 2 ASCII characters. All the
answer messages are with ASCII characters.
COMMANDS
RAS
Causes the instrument to send a complete set of readings in according with the
current meter mode.
The answer string contains:
-Meter mode (2 chars): -00 pH meter (0.1 resolution)
-01 pH meter (0.01 resolution)
-02 titrator
-Meter status (2 chars) represents a 8 bit hexadecimal encoding.
-0x10: temperature probe connection
-0x01: new GLP data available
-0x02: new setup parameter
-Reading status (1 char): R-in range, O - over range, U - under range.
-pH reading with sign and decimal point (7 chars)
-Temperature, with sign and 2 decimals point, always in °C (7 chars).
-Checksum (2 chars)
Note:
If the meter is in titrator mode only, the meter status and the checksum will be sent.
