QT150-AS

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The QT150-AS is a high precision, large size capacitive touch switch or sensor. It is designed for applications in industrial automation and other control systems, with a maximum size of 3 inch. It is easy to install, and its features offer flexibility, reliability and the highest level of precise control.

A capacitive touch switch is an electric field sensor that can be used to detect when a finger or other conductive object is in contact with it. It is used in many applications such as touch screens, switch panels, product servos, and other electronic products. The QT150-AS uses a high-precision touch sensing switch to accurately detect the position of the operator’s finger.

The main working principle of the QT150-AS is to measure the capacitance of the environment and then make the appropriate control output correspondingly. It consists of two parts: the sensing module and the control module. The sensing module consists of two plates, one of which is the sensing plate; the other is the sensing electrode. These two plates have different materials and size to form high-precision capacitor, which can respond to the contact with the outside objects.

The QT150-AS works by measuring the capacitance between the sensing plate and the sensing electrode. When an object is placed on or near the sensing plate, its capacitance will increase, causing the signal to change. This is detected by the control module, which will then respond by making the appropriate control output. The control output can be used to control any number of mechanisms, such as motors, lights, or other electronic devices.

The QT150-AS is also designed to be immune to erroneous operation due to strong external signals. It has two sets of grounding points—one on the sensing side and one on the control side—to ensure maximum signal accuracy and immunity. The sensing plate also has built-in transistors to prevent short circuit caused by static electricity. It also has a control module with a built-in discharge circuit to prevent false operation due to static electricity or other high-voltage signals.

The QT150-AS capacitive touch switch is a reliable, high-precision sensing device that is suitable for a wide range of industrial, medical, and other applications. Its features make it suitable for a variety of applications from hand held devices to large industrial touch switches. It is easy to install, with a variety of mounting options available, and its high accuracy makes it suitable for many industrial applications.

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