The Keyence AH-422 is a general-use sensor head designed for precise displacement and position measurement across a wide range of industrial applications. Engineered with reliability and high performance in mind, this sensor head provides a practical and versatile solution for integration into automated inspection systems, quality control setups, and machine feedback loops. Its rugged cylindrical and threaded housing, with a 22 mm diameter, ensures secure installation in demanding environments where consistent stability is essential.

One of the AH-422’s primary strengths is its high measurement precision. With a measuring range of 0 to 10 mm and a resolution of 0.1% of full scale, it is capable of capturing fine displacement changes with dependable accuracy. The analog output delivers a voltage range of 0 to 10 V, allowing for straightforward signal processing and compatibility with a wide range of amplifiers, controllers, and monitoring systems. Additionally, its ±1% linearity ensures reliable measurement consistency, minimizing errors and supporting applications that require both repeatability and precision.

The sensor is particularly effective in high-speed measurement environments. With a response frequency of 3.3 kHz (-3 dB), the AH-422 can detect rapid changes in target position or displacement without lag, making it highly suitable for dynamic applications such as vibration monitoring, moving-part inspection, or high-throughput assembly lines. This capability ensures that even fast-moving processes can be monitored and controlled with precision, improving efficiency and reducing the likelihood of defects.

Durability and ease of integration are central to the AH-422’s design. Its robust construction supports long-term reliability under continuous operation, while the cylindrical threaded body simplifies mounting in standard fixtures. This makes it a convenient choice for engineers and technicians looking to implement consistent, high-quality measurement without excessive setup complexity. The sensor head is designed to work seamlessly with the AS-440-10 amplifier unit, providing a well-matched system for streamlined setup and dependable performance.

In practice, the AH-422 finds applications in a variety of industries including electronics, automotive, precision machining, and materials processing. For example, it can be used to monitor part positioning during assembly, measure displacement during testing procedures, or track dimensional changes in quality inspection environments. Its blend of precision, speed, and durability makes it a versatile sensor for both research and production-level tasks.

Overall, the Keyence AH-422 is a robust, high-speed, and high-accuracy displacement sensor head that delivers consistent performance for industrial measurement needs. Its thoughtful design, precise output, and rugged construction make it a reliable tool for engineers aiming to achieve optimal measurement quality in advanced automation systems.