Instruction manual

14 Thermo Scientific Alpha pH 560
Chapter 3
Operation
When the pH Controller is powered on, the display shows all the LCD
segments briefly, and then automatically enters into the Measurement
mode.
Figure 3–12.
The mode indicator ‘MEAS’ at the top of the display indicates that the
pH Controller is in Measurement mode; ‘MEAS’ blinks when in
Symmetric mode. The upper alpha-numerical display shows the
measured pH or mV value, while the lower display shows the
temperature value. The indicator “pH” or “mV” at the upper right side
of the display indicates the current measurement mode. (Refer Page
Error! Reference source not found. for switching measurement
modes)
NOTE: To guarantee accurate readings, the measuring system (the pH
Controller and the sensor) must be calibrated regularly.
From measurement mode you can access:
• Calibration mode (by pressing CAL key)
• Setup mode (by pressing ENT key)
For more details, refer page 16 for Calibration mode and page 24 for
Setup mode.)
Measurement
Mode