Measurement - Hanna Instruments Groline HI981412 Instruction Manual

11. MEASUREMENT

• Power the controller. All LCD segments will be displayed for a few seconds. After initialization has
been completed, the controller displays the measurement screen.
• Plug the probe into the dedicated socket using the alignment notch to install properly.
• The pH electrode is automatically recognized. If the wrong probe is used, the controller will indicate
an error.
• After setting up the controller menu, probe and all required accessories, the controller is ready for
measurement.
• From measurement mode, press both arrow keys simultaneously to prime the pump and to verify
the flow cell fills correctly (if used)
• If power is lost, then restored, the controller keeps the last used settings and calibration.
• If control mode is enabled (Auto), the pump tag will be displayed. If control is disabled (oFF),
the pump tag will be crossed out.
control enabled
First LCD line displays measured pH value, the second LCD line displays the temperature.
If a calibration was performed, the screen displays the CAL tag.
Measurements are updated every second and conditions are updated automatically. The pump starts
or stops depending on configured settings (control mode and type, set point, hysteresis or proportional
band, start up delay timer, overtime time, alarms).
control disabled
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