Optical Probe Current Sensor (OpECS)
We have developed a light probe current sensor.
<Product Features and Strengths> - Measurement possible without circulating around the current line with a very small sensor head - Capable of measuring both AC and DC - Relative sensor (depends on the distance between the wire and the sensor) <Advantages of Optical Measurement> - No superimposed electromagnetic noise - High electrical insulation and safety - No insertion impedance - No frequency derating required
basic information
- Collimator lens type - Fiber type (basic form) - Absolute value measurement
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Model number/Brand name
OpECS
Applications/Examples of results
- Relative value measurement - Local measurement / In-liquid measurement - Absolute value measurement
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The OpECS products were featured in the magazine "Mechatronics."
In the June 2024 issue of the magazine "Mechatronics," an article about our "current sensor for current waveform measurement using optical probes," the "OpECS" product, was featured on the News Flash page.
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Development of the current sensor "OpECS" for current waveform measurement using optical probes, with a maximum frequency range of 150MHz and a current range of ±140A, accurately measuring current values of high-frequency, high-current power semiconductors.
Citizen Fine Device Co., Ltd. has developed the world's first current sensor for measuring current waveforms using an optical probe, called "OpECS." It enables accurate current measurement primarily for high-frequency, high-current power semiconductors. This product will be available for sale starting in late April. ■ Main Features 1. Structure of OpECS - Composed of a sensor part with an optical probe and a control unit. - By connecting to an oscilloscope, the measured current can be confirmed as a waveform. 2. High-frequency and high-current measurements are possible through magneto-optical measurement using the optical probe. 3. The ultra-small sensor head allows for current measurements in confined spaces. 4. No noise interference, making it suitable for a wide range of applications. 5. Can also be utilized in the field of magnetic field measurement. Sales of OpECS in the domestic market will begin in late April 2024. In preparation for the launch in the domestic market, a sales agency agreement has been concluded with Iwasaki Communication Co., Ltd. (Headquarters: Suginami-ku, Tokyo; President: Shogo Kimura), a major manufacturer of measuring instruments. This partnership will enable sales to commence through Iwasaki Communication's distribution network.
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The area where Citizen Fine Devices demonstrates its strength is in the realm of functional components that require small size, precision, high accuracy, and high detail. We believe that our mission is to continue providing high-value-added microdevice products by leveraging the unique technologies we have developed over many years. Utilizing metal processing technology rooted in watch manufacturing, we have consistently supplied small, high-precision components to our customers for many years through a fully integrated production line that encompasses process design, machining, assembly, and functional testing, along with the unique development of our own processing machines. Additionally, mass-producing components with high precision and efficiency using brittle materials is also one of our core technologies. By integrating material technology with ultra-precision machining, thin-film technology, and bonding technology, we produce not only high-precision components such as ceramics and quartz but also high-quality functional device products like liquid crystal devices and sensing devices. Continuing to provide high-value-added products to the market is a significant dream for our employees. We will contribute to the creation of new value through manufacturing driven by the challenge spirit of each individual, working towards the realization of that dream.