This series offers tight magnetic tolerances around a zero gaus level providing a 50% duty cycle over the full operating frequency range. The S series speed sensors are solid-state devices that are magnetically situated making them suitable for use in various applications. These are magnetic speed sensors using non-contacting technology. We have a range of speed sensors from our sister company Phoenix America. Within these vehicles, the specific applications are crankshaft transmission speed, engine speed, dynamometers, fan control, test equipment and engine control. Many vehicles require speed sensors including automotive vehicles, aerospace vehicles, off-highway & construction vehicles, railway vehicles, and military vehicles. Speed sensors are used to measure the rotating speed within devices. The speed sensor we offer is resistant to changes in pressure, has a wide operating temperature range, is impervious to dust and humidity, and is not hindered by electromagnetic interference. Characteristics of Speed Sensorsīecause of the areas in which speed sensors are required, they must be tough and able to stand the harshest environmental conditions. Hall effect speed sensors are particularly suitable for use on gears. Due to the measuring principle, installing the speed sensors directionally is necessary. Using this measuring method, the magnetic field difference between these two is calculated with two Hall effect speed sensors mounted on a surface. The constant change between the two hall sensors can be directly related to the speed of the movement. Because of this, a potential difference appears across the semiconductor material at right angles to the magnetic field, from both the magnet and the flow of the electric current. This is caused by their magnetic field reacting to the different fields of the magnet.Īs a result of the now curved movement, there are more electrons present on one side of the semiconductor material. If the semiconductor material is then placed between the two poles of a magnet, instead of moving in a straight line as before, the electrons will be pushed to one side and into a curved line, forming a curved path as they move through the material. The electricity creates its magnetic field as it becomes electrically charged – known as a semiconductor. When an electric current is flowing through any material, the electrons within that current will naturally move in a straight line. The Hall Effect is caused by the Lorentz force, this acts on the moving charge carriers within the magnetic field. How does a Hall Effect Speed Sensor Work?Ī Hall Effect sensor uses a magnetic field-dependent semiconductor. They can be found in applications where contact-free speed measurement is required in areas that can be hard to access.ĭifferent speed sensors use different types of technology, the sensors that we can offer use magnetic or hall effect position sensing technology. They work by providing a voltage measurement corresponding to the magnetic rotational speed. Like many devices, a speed sensor is an integral part of onboard systems. They are present in various types of commercial and motorsport vehicles. A speed sensor is a type of position sensor which is used to measure rotational speed.
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