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How to detect the fault of adjustable potentiometer


A. Before the detection of the adjustable potentiometer must be zero resistance, in the measurement of resistance, each replacement rate after blocking, must be reset to zero. There is to listen to the potential between the contact point and the friction between the resistance body, if there is a rustle, the potential is not good quality.

2. When testing with the multimeter, first select the appropriate resistance position of the multimeter according to the resistance value of the adjustable potentiometer to be measured. At this time, use the electricity of the multimeter to block the 1,2 ends of the potentiometer pin, rotate the potentiometer axis 2 counterclockwise to close to the closed position. Then slowly rotate the shaft clockwise. When the shaft is rotated to the extreme position of 3, the resistance value should be close to the nominal value of the potentiometer. If the pointer of the multimeter jumps during the rotation of the shaft handle of the potentiometer, it indicates that the active contact of the potentiometer has the fault of bad contact.

Finally, the remaining 1,3 ends of the potentiometer are measured by the electrical barrier of the multimeter, and the reading measured is the nominal resistance of the potentiometer. For example, when the multimeter is measured, the pointer does not move or the resistance value varies greatly, which indicates that the potentiometer is damaged.

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Our company specializes in providing high precision plastic transducers, hall induction sensors, magnetic encoders, selective logic switches and potentiometers. Products in the field of technology and production have become the industry leader. At present, the main customer groups are military defense/aerospace/medical equipment/ship ocean-going/remote monitoring/industrial uav remote control /AI automation and other fields. Welcome to inquire. Email: abf@abf.wang website:www.abf.wang
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How to detect the fault of adjustable potentiometer


A. Before the detection of the adjustable potentiometer must be zero resistance, in the measurement of resistance, each replacement rate after blocking, must be reset to zero. There is to listen to the potential between the contact point and the friction between the resistance body, if there is a rustle, the potential is not good quality.

2. When testing with the multimeter, first select the appropriate resistance position of the multimeter according to the resistance value of the adjustable potentiometer to be measured. At this time, use the electricity of the multimeter to block the 1,2 ends of the potentiometer pin, rotate the potentiometer axis 2 counterclockwise to close to the closed position. Then slowly rotate the shaft clockwise. When the shaft is rotated to the extreme position of 3, the resistance value should be close to the nominal value of the potentiometer. If the pointer of the multimeter jumps during the rotation of the shaft handle of the potentiometer, it indicates that the active contact of the potentiometer has the fault of bad contact.

Finally, the remaining 1,3 ends of the potentiometer are measured by the electrical barrier of the multimeter, and the reading measured is the nominal resistance of the potentiometer. For example, when the multimeter is measured, the pointer does not move or the resistance value varies greatly, which indicates that the potentiometer is damaged.

Potentiometer, toy potentiometer, musical instrument potentiometer, audio potentiometer, touch switch, encoder, earphone encoder, high power potentiometer, long life potentiometer, non-contact potentiometer,SD card holder, SIM card holder, ceramic varistor, long life potentiometer, long life conductive substrate manufacturer



Our company specializes in providing high precision plastic transducers, hall induction sensors, magnetic encoders, selective logic switches and potentiometers. Products in the field of technology and production have become the industry leader. At present, the main customer groups are military defense/aerospace/medical equipment/ship ocean-going/remote monitoring/industrial uav remote control /AI automation and other fields. Welcome to inquire. Email: abf@abf.wang website:www.abf.wang
China Potentiometer, toy potentiometer, China musical instrument potentiometer,China audio potentiometer, China touch switch, China encoder, China earphone encoder, China high power potentiometer,China long life potentiometer,China non-contact potentiometer,China SD card holder, China SIM card holder, China ceramic rheostat, China long life potentiometer, China long life conductive substrate manufacturers

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