Taiyuan supplies H6E-C3-75KG-2B-A sensor 75kg electronic platform scale sensor

Description :

Taiyuan supplies H6E-C3-75KG-2B-A sensor 75kg electronic platform scale sensor. Detailed description: YOLO-LOADCELL brand, a well-known pin brand in Guangdong Province. We are a high-tech enterprise specializing in weighing sensors, force sensors, and various types of weighing and force measuring instruments. Annual production of various weighing and force transmission systemsMore than 150000 sensors are available, including S-type weighing force sensors, cantilever beam weighing sensors, spoke type weighing force sensors, column type weighing force sensors, customized weighing force sensors, etc. During the production process, the weighing force sensors use cold and hot cycling technology to reduce residual stress in the elastic body by 90% and improve stability. Pulse fatigue testing is conducted 100000 times at a frequency of 3-6 times per second to release elastic elements, resistance strain gauges, strain adhesive residual stress, and improve zero point and sensitivity stability. Constant temperature aging improves sensor stability by releasing residual stress at 200 degrees and holding for 24 hours,

Taiyuan supplies H6E-C3-75KG-2B-A sensor 75kg electronic platform scale sensor. Product features:

　　Product defect editing

　　Disadvantage 1: High output impedance, poor load capacity

　　The capacity of capacitive weighing sensors is limited by the geometric dimensions of their electrodes and is not easily made very large, usually ranging from tens to hundreds of microfarads, or even only a few microfarads. Therefore, the output impedance of capacitive weighing sensors is high, resulting in poor load capacity and susceptibility to external interference, leading to instability and even inability to work in severe cases. Proper shielding measures must be taken to avoid inconvenience in design and use. A high capacitance also requires a very high resistance value of the insulation part of the sensor, otherwise the insulation part will act as a bypass resistor and affect the performance of the instrument. Therefore, special attention should be paid to the surrounding environment such as temperature, cleanliness, etc. If high-frequency power supply is used, the output impedance of capacitive weighing sensors can be reduced, but high-frequency amplification and sensors are much more complex than low-frequency ones, and parasitic capacitance has a greater impact, making it difficult to ensure the stability of operation.

　　Disadvantage 2: Nonlinear output characteristics

　　The output characteristics of capacitive weighing sensors are nonlinear, and although differential type is used to improve them, it is impossible to completely eliminate them. Other types of capacitive sensors only exhibit linear output characteristics when the edge effect of the electric field is ignored. Otherwise, the additional capacitance generated by edge effects will directly overlap with the sensor capacitor, resulting in nonlinear output characteristics.

　　Disadvantage 3: Parasitic capacitance has a significant impact

　　The initial capacitance of a capacitive weighing sensor is small, while the parasitic capacitance such as the lead capacitance connecting the sensor and electronic circuit, the stray capacitance of the electronic circuit, and the capacitance formed by the inner plate electrode and surrounding conductors of the sensor are relatively large. This not only reduces the sensitivity of the sensor, but also these capacitances often vary randomly, which will make the instrument work very unstable and affect measurement accuracy. Therefore, there are strict requirements for the selection, installation, and connection of cables. For example, using high-frequency wires with good shielding and small self distributed capacitance as leads, with thick and short leads, it is necessary to ensure that the stray capacitance of the instrument is small and stable, otherwise high measurement accuracy cannot be guaranteed.

　　It should be pointed out that with the rapid development of materials, processes, electronic technology, especially integration technology, the advantages of capacitive weighing sensors have been developed while their disadvantages are constantly being overcome. Capacitive sensors are gradually becoming a highly sensitive and accurate sensor with great development prospects in dynamic, low-voltage, and some special measurement fields.

Taiyuan supplies H6E-C3-75KG-2B-A sensor 75kg electronic platform scale sensor picture:

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