HAL102TQ-I

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HAL102TQ-I is a common type of magnetic sensors, switches (solid state). While the actual size of the sensor can vary, usually their main body is small and rectangular or square in shape. The main body of this particular model is of size 22mm x 25mm x 15mm.

HAL102TQ-I is a sensitive type of magnetic sensor, which has an operating range of DC 2.5V to 24V. This range ensures that its compatible with a variety of electronic devices. Moreover, there are two specific alarm zones related to output voltage which are expressed in volts. One of these alarm zones range from 0-2V and the other from 2.5-24V.

HAL102TQ-I magnetic sensor are widely used in commercial and security systems. There are several common uses of such sensors; these include: door and window sensors, intrusion detection, refrigerator and freezer sensors to detect door open/close events, motion detection, and tamper detection. In addition to these, HAL102TQ-I magnetic sensors can be also used in safety devices. Their ability to detect a sudden power shut down makes them indispensable for protection such as circuits breaker and power outage detectors.

The working principles of this magnetic sensor are quite simple. Nowadays, reed switches are most frequently used to detect the presence of a magnetic field. This type of switch is made out of two delicate ferromagnetic metal alloys, which open or close the circuit according to the presence or absence of a magnetic field. HAL102TQ-I, in this case, contains a particular reed switch fixed inside a plastic body.

This reed switch and its presence/absence of detected magnetic field is the basis of figuring out whether a door, for example, is open or closed. When the switch detects no magnetic field, the circuit gets open which is interpreted as door closed and when the switch detects a magnetic field, the circuit gets closed which is interpreted as door open.

In some cases a user adjustable magnet is used to detect whether the switch is open or closed. When a user adjustable magnet moves away or towards the reed switch, the output of this device will change, i.e. the output signal will be either open or closed. The reed switch can also be used for motion detection.

HAL102TQ-I, as mentioned earlier, is widely used in commercial and security systems. This particular sensor is mostly used for the purpose of door and window security systems; usually to detect unauthorized entry. In this regard, the main function of such a sensor is to detect open or closed states. In the open state, the output of this sensor is a low voltage signal (<2V). In the closed state, the output voltage will be higher, usually 2.5 to 24V DC.

Furthermore, the current draw from this device is quite low. Its small size and low current draw make it suitable for alarm systems, as it does not drain or distract the user from other operations. It also comes in two different sensitivities, which make it quite versatile.

In conclusion, HAL102TQ-I is a magnetic sensor, switch (solid state) which is commonly used in door and window security systems and other detection and alarm systems. It is of small size and its low current draw makes it ideal for such uses. It operates on a voltage range of from 2.5 to 24V DC and has two different sensitivities. Its working principle is quite simple; usually a reed switch detects the presence or absence of a magnetic field and the output of the device can be converted to open or closed states.

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