HAL211TQ-K

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The HAL211TQ-K is a magnetic sensor switch classified as a Solid State Sensor, meaning that their sensing element contains no moving parts and will likely have a much longer service life than mechanical contact switches. It is classified as a non-contact type of switch, as it can detect an object or magnet from a certain distance. It is a cost-effective solution that is used in a variety of industrial, defense, and aerospace applications.

A HAL211TQ-K Magnetic Sensor Switch is composed of a Hall Effect IC and a permanent magnet. When a magnet is brought near the HAL211TQ-K sensor, it causes a change in the flux field around the Hall Effect IC. This change in the flux field triggers the internal electronic circuitry which produces a digital output. These switches are non-latching, meaning that the output will only be activated while the magnet is close to the sensor.

The HAL211TQ-K magnetic sensor switch has a wide range of operating temperatures from -55 to 105°C. It also has a low power consumption, with a maximum of 250µA in normal operation and 60µA in stand-by mode. It can sense magnet directions over 360°, making it ideal for sensing cylindrical magnets in short distances. The switch also features an LED indicator that can be connected to the IC to indicate on/off status.

The HAL211TQ-K magnetic sensor switch is used in applications such as man/machine interfaces (MMIs), medical instruments, vending machines, and safes. It can offer advantages over traditional mechanical switches such as improved reliability, extended life, and increased sensitivity. The sensor can also be used to detect objects and foreign objects in a variety of industrial machinery and in safety applications such as doors and conveyer belts.

The operating principle of the HAL211TQ-K is fairly simple. The Hall Effect IC has a built-in amplifier which amplifies the flux field produced by the magnet. This amplified signal is then sent to the internal electronic circuitry which determines whether the object is detected or not. The signal from the internal circuitry is then sent back to the amplifier and the output signal is produced. The output signal of the HAL211TQ-K is an ON/OFF signal which can be used to control devices such as relays or motors.

The HAL211TQ-K is a highly reliable and versatile magnetic sensor switch that can be used in a variety of commercial and industrial applications. Its non-contact design and extended operating temperature provide a cost-effective solution for accurate sensing of magnets and objects in safety, medical, vending, and industrial systems. The switch is easy to install and maintain, making it a reliable choice for magnetic sensing.

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