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GENERAL OPERATIONS
Meter Information
Press the Select key to view the model, serial number, firmware
version and selected language. Press ESC to return to the Setup
menu.
Probe Information (pH mode only)
Press the Select key to view model number, serial number and
firmware version for the connected probe.
Press ESC to return to the Setup menu.
5.3. USING HANNA DIGITAL ELECTRODES
The HI83303 can be used to perform direct pH measurements by connecting a HANNA
®
digital
pH electrode with a 3.5 mm TRRS connector. To begin taking probe measurements, connect the
electrode to the 3.5 mm port marked with “EXT PROBE” located at the rear of the meter. If the
meter is in “Photometer Mode”, set the meter to “Probe Mode” by pressing the MODE key.
5.4. MODE SELECTION
The HI83303 has two operational modes: Photometer Mode and Probe Mode.
Photometer Mode enables on‑demand measurement of a cuvette using the integrated optical
system. Photometric‑related functions, such as Method selection, Zero, Read, and Timers are
available in this mode.
Probe Mode enables continuous measurement using a Hanna Digital Electrode connected to the
3.5 mm port. Probe‑related functions, such as calibration and GLP, are available in this mode.
To switch between Photometer Mode and Probe Mode, use the
button.
Note: The active mode cannot be switched while in menus, such as Setup, Recall, Method, etc.
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