EN-4 AB23PH Bench pH Meter
1.3. Display and Controls
Figure 1-1 Display
1. Electrode condition
Slope: more than 95%
and offset: ± (0-15) mV.
Slope: 90-95%
or offset: ± (15-35) mV.
Slope: less than 90%
or offset: ± (35-60) mV.
Electrode condition is
good.
Electrode condition is
acceptable.
Electrode condition is not
good or needs cleaning.
2. Calibration icon: blinks when calibration is in progress.
3. Measurement icon: blinks when measurement or calibration is in progress.
4. Auto endpoint icon ; Continuous reading icon .
5. Setup icon: shows when the meter is in setup mode.
6. Buffer icon: displays the buffer group for calibration.
7. Auto temperature compensation icon ATC; Manual temperature compensation
icon MTC.
Note: for detailed information about ATC and MTC, please check the Set
temperature unit and MTC value section in SETUP chapter.
8. Memory number icon MR; Error index icon Err; Store icon .
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