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The SUCH hall effect speed sensor is a non-contact, flange-mounted sensor designed for gear speed detection. It detects magnetic flux changes from rotating ferromagnetic targets and outputs a pulse signal proportional to rotation speed. With IP67 protection, wide temperature resistance, and multiple connector options, it is used on hydraulic motors, gearboxes, transmissions, and other mobile equipment.
A Hall effect speed sensor measures gear speed by detecting changes in magnetic flux when gear teeth pass the sensing element. Each detected tooth generates a pulse signal, and the pulse frequency is proportional to the gear rotation speed.
A Hall effect speed sensor requires an external power supply and outputs a digital pulse signal, while a magnetic pickup sensor generates an analog voltage signal without external power. Hall effect sensors generally provide more stable output at low speeds and consistent performance across a wider speed range.
The recommended sensing gap depends on the sensor type, gear material, tooth size, and operating conditions. In general, maintaining a proper gap helps ensure stable pulse output while preventing mechanical contact between the sensor and rotating gear.