IDEALLUX electrical components Germany IDEALLUX model IDEALLUX price

IDEALLUX electrical components utilize the good conductivity and fluidity of mercury to control the opening and closing of electrical circuits. They consist of a glass tube, mercury, fixed electrodes, lead wires, etc. After evacuating the air from the tube, it is filled with various gases and sealed. It is suitable for environments with dust, oil, water vapor, and corrosive gases, and can also be used as an explosion-proof switch in places with explosive gases. Given the high surface tension and specific gravity of the mercury inside the tube, along with its fluidity, the position of the mercury changes immediately with even a slight tilt of the glass tube, and contacts the electrodes via surface contact, thus enabling the switching of high AC and DC currents. Additionally, this type of switch features a service life of several million cycles at rated current, compact size, high sensitivity, no mechanical noise, and low cost, making it widely used as a switch for automatic control.

IDEALLUX electrical components composition

A sensor generally consists of four parts: a sensing element, a conversion element, a signal conditioning circuit, and an auxiliary power supply. The sensing element directly perceives the measured quantity and outputs a physical signal with a definite relationship to the measured quantity; the conversion element converts the physical signal output by the sensing element into an electrical signal; the signal conditioning circuit is responsible for amplifying and modulating the electrical signal output by the conversion element; the conversion element and the signal conditioning circuit generally require an auxiliary power supply.

IDEALLUX electrical components principle

The Hall voltage varies with the magnetic field strength; the stronger the magnetic field, the higher the voltage, and the weaker the magnetic field, the lower the voltage. The Hall voltage value is very small, typically only a few millivolts, but after being amplified by an amplifier in an integrated circuit, the voltage can be amplified sufficiently to output a stronger signal. To enable the Hall integrated circuit to function as a sensor, mechanical methods are used to change the magnetic field strength. A rotating impeller serves as a switch to control magnetic flux. When the impeller blades are in the air gap between the magnet and the Hall integrated circuit, the magnetic field is diverted away from the integrated chip, and the Hall voltage disappears. Thus, changes in the output voltage of the Hall integrated circuit can indicate a specific position of the impeller drive shaft. Using this working principle, the Hall integrated circuit chip can be used as an ignition timing sensor. Hall effect sensors belong to passive sensors; they require an external power supply to operate, a characteristic that enables them to detect low-speed operation.

IDEALLUX electrical components characteristics

Sensitivity refers to the ratio of the change in output to the change in input under steady-state operating conditions of a sensor. It is the slope of the output-input characteristic curve. If there is a linear relationship between the sensor's output and input, then the sensitivity S is a constant. Otherwise, it will vary with changes in the input. The dimension of sensitivity is the ratio of the dimensions of the output and input quantities. When the dimensions of the sensor's output and input quantities are the same, sensitivity can be understood as the amplification factor. Increasing sensitivity can yield higher measurement accuracy. However, the higher the sensitivity, the narrower the measurement range, and often the poorer the stability.

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