Hanna Instruments HI 2221 - Manual (Page 4)

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FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION
Front Panel
Rear Panel
1) Liquid Crystal Display (LCD).
2) CAL key, to enter and exit calibration mode.
3) CFM/GLP key, to confirm calibration, different values or to display
Good Laboratory Practice information.
4) ºC key, to manually increase temperature value or other parameters.
5) ºC key, to manually decrease temperature value or other parameters.
6) SETUP key, to enter/exit SETUP mode.
7) RANGE key, to select measurement range, switch to focused data in
SETUP or to toggle between buffer value and temperature during
calibration.
8) LOG/CLR key, to store a value into memory, to clear pH calibration,
or to delete log records.
9) RCL key, memory recall.
10) ON/OFF switch.
11) Power supply socket.
12) USB connector.
13) BNC electrode connector.
14) Temperature probe socket.
15) Electrode reference socket.