Displacement sensor

What is Displacement Sensor

A displacement sensor is a high-precision instrument used to measure the movement, distance, or position of an object relative to a fixed reference point. These sensors play a critical role in many industrial automation, robotics, and precision engineering applications where detecting minute shifts or linear motion is essential. From manufacturing lines and non-contact measurement systems to aerospace testing and biomedical devices, displacement sensors are fundamental tools for ensuring operational efficiency and safety.

One of the leading innovators in this sensor technology is Ono Sokki. Founded in Japan in 1972, the company has earned global recognition for its expertise in motion detection and high-accuracy measurement systems. With a strong focus on research, innovation, and reliability, Ono Sokki offers a diverse range of displacement sensing solutions, including both contact and non-contact sensors, designed to meet the evolving needs of modern industries.

Types of Displacement Sensors

Ono Sokki’s displacement sensors are built on multiple measurement principles, each tailored for specific applications. These include:

Capacitive Sensors

1. Ideal for nano-level precision and non-contact applications
2. Measures displacement by detecting changes in capacitance between two parallel plates
3. Commonly used in semiconductor inspection, precision engineering, and microelectronics
4. Known for high accuracy, excellent for short-range linear position sensing

Inductive Sensors

1. Designed for harsh environments and large displacement measurements
2. Operates by sensing changes in inductance due to a moving conductive target
3. Frequently used in automotive, aerospace, and industrial automation
4. Highly durable and resistant to vibration, dust, and temperature extremes

Magnetostrictive Sensors

1. Utilizes magnetostriction—a magnetic field induces strain in a ferromagnetic material
2. Offers long-term stability, high reliability, and robust performance
3. Suitable for contactless displacement sensing in heavy-duty industrial setups
4. Used in hydraulics, robotics, and scientific equipment

Laser Triangulation Sensors

1. Common in profile measurement, 3D scanning, and quality control
2. Projects a laser beam onto a surface and calculates displacement from the reflected light
3. Delivers non-contact, high-resolution measurements
4. Extremely versatile—used for both microscale detection and large structure profiling

Overall, Ono Sokki range of displacement sensors provides high levels of accuracy, reliability, and versatility for a range of applications. With their decades of experience and commitment to innovation, Ono Sooki is a trusted name in the field of displacement sensing.