The function of the electromagnetic flowmeter electrode is to extract and induce a proportional induced inductive potential signal. The electrodes are typically made of non-magnetically conductive stainless steel and are required to be flush with the liner so that the fluid passes without obstruction. It should be installed in the vertical direction of the pipe to prevent deposits from accumulating on it and affecting the measurement accuracy. The maintenance of the electrode is very necessary in the process of use, then how to properly maintain the electrode, Su Ke meter will introduce you to the four steps of electrode maintenance: 
1. Before using the electromagnetic flowmeter, first calibrate the electromagnetic flowmeter with a standard pH solution. Before the calibration, before operation, you must pay attention to clean the electrode of the electromagnetic flowmeter with distilled water, and then clean the electrode again with the test liquid.
2. If you do not use the electromagnetic flowmeter, when you want to remove the electrode of the electromagnetic flowmeter, you should be careful not to let the electrode of the electrode collide with the hard object, otherwise the damage will affect the use of the electrode.
3. After using the electromagnetic flowmeter, you should put the electrode of the electromagnetic flowmeter on the sleeve, and put less saturated solution inside, just make sure that the bulb of the electrode is wet, but remember not to put it in distilled water. soak.
4. It is usually necessary to keep the electrode clean and do not let the output on both sides of it appear a short circuit. Otherwise, the measurement will be inaccurate and affect the use of the electromagnetic flowmeter.
In addition, if it is not convenient to disassemble, and at the same time confirm that the electrode is dirty (can be judged by measuring the resistance value), a small current square wave or alternating current can also be used for electrode cleaning.
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