
Application principle of Hall switch in liquid level meter: The Hall switch uses the Hall effect principle to detect the level of liquid or powder materials by sensing magnetic field changes. When the level of the liquid or material changes, the magnet or magnetic rod in the liquid level meter will produce a magnetic field change, and the Hall switch installed inside the liquid level meter can sense this change and output a corresponding signal. By measuring the change in the signal, the actual level of the liquid or material can be determined.
How the Hall switch works in the liquid level meter: The Hall switch in the liquid level meter is usually composed of a Hall element, a magnet, and a circuit. The magnet or magnetic rod is installed on the float or float of the liquid level meter. When the liquid level changes, the float or float will rise or fall accordingly, thereby changing the strength of the magnetic field. The Hall switch is installed at a fixed position on the level meter. When the magnetic field changes, the Hall element senses and outputs the corresponding signal. By processing and interpreting the signal, the real-time level of the liquid or material can be obtained.
The Hall switch has a highly sensitive sensing capability and can monitor the level changes of the liquid or material in real time. It provides high-precision liquid level monitoring, allowing the level meter to accurately reflect the level of the liquid or material in the container.
Recommended model: Magnetoresistive Hall magnetic switch TMR1302
TMR1302 is an omnipolar magnetic switch developed for high-sensitivity, high-speed, low-power, and high-precision applications that integrates tunnel magnetoresistive (TMR) sensors and CMOS technology.
TMR1302 uses TMR magnetic sensors and CMOS integrated circuits, including voltage generators, comparators, Schmitt triggers, and CMOS output circuits, which can convert changing magnetic field signals into digital voltage signal outputs.
TMR1302 provides temperature-compensated power through an internal voltage regulator and allows a wide operating voltage range. TMR1302 is an ideal choice for many low-power, high-performance applications with its low operating voltage, micro-ampere supply current, high response frequency, and wide operating temperature range.
TMR1302 uses two packaging forms: SOT23-3 and TO-92S, and the corresponding product models are TMR1302S and TMR1302T.
