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5. Rinse the probe with deionized or distilled water to remove any impurity
adhering to electrode body. If the electrode isn't used for a long time,
please soak probe for more than 8 hours to clear up the lazy effect of the
probe.
6. Dip the probe into the sample. Make sure no air bubbles are tapped on
the slot of the probe. To remove air bubbles, stir the probe mildly and
make sure the electrode tip is submerged.
7. Stir the probe gently to create a homogenous sample.
8. Take readings. When the reading is stable, "READY" will display on the
left-middle LCD.
TDS Measurement
1. Set a correct TDS conversion factor. Factory default is 0.50. Refer P1.1 if a
different value is needed. See Appendix A & B for more information.
2. Select range & ATC/manual TC per your application.
3. Take readings. Press "MODE" to switch to TDS mode and get the reading.
Auto power off
This meter will shut off automatically 20 minutes of inactivity. To disable the
auto power off, pressing "SET" + "HOLD" keys simultaneously while turning on
the meter until a "n" appeared on the screen and then release keys to return to
normal mode. (Fig.2)
Fig. 2
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