P4—Adjust TDS Factor (0.40-1.00)
1. Press , “0.71” flashes, press or to adjust from 0.40-1.00; press
to confirm.
2. Press to enter P5, or press to return to measurement mode.
P5 —(°C—°F)
1. Press , “°C” flashes, press , “°F” flashes; when parameter flashes,
press to confirm.
2. Press to enter P6, or press to return to measurement mode.
P6 — Clear storage (No—Yes)
1. Press , “No” flashes, press to choose No→Yes; press to
confirm
No— not to clear data storage; Yes—clear all data storage
2. Press to enter P7, or press to return to measurement mode.
P7 — Return to factory default mode (No—Yes)
Press , “No” flashes, press to choose No→Yes; Press to confirm,
the meter returns to measurement mode.
No— not return to factory default mode; Yes—return to factory default mode
4.8 Conductivity Electrode’s Maintenance
4.8.1. Always keep the conductivity electrode clean. Before taking a measurement, rinse the electrode in
pure water. It is recommended to rinse it again in the sample solution. When submerge the electrode in
solution, stir the solution briefly to eliminate air bubbles and allow it to stay until a stable reading is reached.
Conductivity electrodes are usually stored dry. For conductivity electrodes that haven’t been used for a
long time, users should soak the electrode in 12.88 mS calibration solution for 5-10 minutes, or to soak it
in tap water for 1 to 2 hours. Rinse the electrode in pure water after measurement.
4.8.2. The sensing rod of Model 2301T-S conductivity electrode is coated with platinum black to minimize
electrode polarization and expand measuring range. The platinum black coating adopted our special
processing technology, which improves the electrode performance and the firmness of the coating. If the
platinum black electrode is stained, gently clean the electrode with soft brush in warm water containing
detergent or alcohol.
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