Use and maintenance of micro-moisture meter electrolysis cell - Database & Sql Blog Articles

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Step 1: Prepare the electrolytic cell. Gently shake the electrolytic cell of the trace moisture analyzer a few times to ensure that any water on the inner walls is fully absorbed by the electrolyte. Place the electrolytic cell into the holder, turn on the stirring switch, and adjust the speed so that a small vortex forms on the surface of the liquid.

Insert the measuring electrode plug and the electrolysis electrode plug into their respective sockets on the main unit, ensuring good contact. Turn on the electrolysis switch. Note: In the iodine-rich state, both the measurement signal indicator and the electrolysis signal indicator will be off, with only the red light on, and the digital display will not count.

Step 2: Balance the electrolyte. If the electrolytic cell is still in an iodine-rich state, use a 10 µL micro-injector to draw 10 µL of distilled water each time. Wipe the needle with filter paper, press the start button, and inject it into the cell through the central hole of the injection cock several times. Monitor the color change of the electrolyte until it turns pale yellow, and the green lights for the measurement and electrolysis signals are activated, and the counter begins to count. (With fresh electrolyte and a dry bottle, approximately 30–50 µL of water may be needed.)

Wait until the counting stops, then stop the stirring. Remove the electrolytic cell and gently shake it a few more times to ensure all moisture is absorbed. After the end alarm sounds, the instrument can be calibrated.

Step 3: Calibrate the trace moisture analyzer. Once the electrolyte is stable, use a 0.3 µL micro-injector to draw 0.3 µL of distilled water. Wipe the needle with filter paper, press the start button, and inject the water below the liquid level. The instrument will begin counting and reach the endpoint, displaying 300 ± 30 µg of water. Perform this calibration 2–3 times. If the readings fall within the acceptable range, the instrument is accurate and ready for use.