Bulk solid continuous level measurement in hopper using capacitive level transmitter

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Technical Parameter

Product Introduction:

A capacitance fuel gauge is a meter that uses the capacitance principle to measure the oil level. It detects the change in the oil level in the tank and reflects the oil level in real-time. This product is suitable for the level measurement of various oils, such as lubricating oil, hydraulic oil, fuel oil, etc.

Work Guidelines

The working principle of the Capacitance fuel gauge is based on the change of capacitance value. It usually consists of one or more electrodes, which are enclosed in a non-conductive container. When the oil level in the container rises or falls, the space occupied by the oil changes, resulting in a change in the capacitance between the electrodes. This change in capacitance is proportional to the height of the oil level, so the height of the oil level can be indirectly measured by measuring the capacitance.

1. In the initial state, a capacitor is formed between the electrodes of the Capacitance fuel gauge and the oil, and its capacitance is fixed.

2. When the oil level starts to rise, the effective area between the electrodes increases, or the distance between the electrodes and the oil decreases, causing the capacitance of the capacitor to increase.

3. The change in capacitance value is detected by the conversion circuit, which usually contains an oscillator and a demodulator, which convert the change in capacitance into a change in an electrical signal.

4. This electrical signal is then sent to the display instrument, which converts it into an easy-to-read form, such as a digital display or a pointer display, thereby reflecting the height of the oil level.

5. If the oil level drops, the same process will occur in reverse, the capacitance will decrease, and the display instrument will show the lower oil level.

Product Features

Product Details

The capacitance fuel gauge consists of three parts: sensor element, conversion circuit, and display instrument. The sensor element is usually a capacitor composed of two or more electrodes. The conversion circuit converts the capacitance change into a readable liquid-level signal, and the display instrument displays this signal intuitively.

Product Application

The capacitance fuel gauge is widely used in liquid level measurement in industrial production, especially in petroleum, chemical, electric power, steel, and other industries, to monitor and control the liquid level of various oils. In addition, it is also widely used in transportation vehicles such as automobiles, ships, and airplanes to monitor the fuel level. The capacitance fuel gauge is also a commonly used measurement tool in some occasions where accurate measurement of liquid volume is required, such as scientific research and laboratory work.

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