Sonnecy

Accurate magnetic field measurement is an essential part of many engineering and testing tasks. Whether evaluating permanent magnets, checking motor air gaps, or verifying magnetic sensors, reliable field data is critical for understanding system behavior and ensuring consistent performance. The CYGM99A digital gaussmeter is designed as a practical measuring instrument for these everyday scenarios. With a clear digital interface, flexible probe options, and measurement functions tailored to real engineering workflows, it supports efficient and repeatable magnetic field measurements across laboratory,…

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Figure 1. CYHCS-EKC Split-Core Current Sensor from ChenYang Technologies. Modern power-conversion systems—such as photovoltaic inverters, energy-storage units, UPS systems, welding machines, and motor drives—place increasingly high demands on current-measurement reliability, electrical safety, and installation flexibility. Engineers also face growing pressure to deploy sensors quickly and non-invasively, ideally without disconnecting conductors or interrupting running equipment. This trend naturally drives the adoption of split-core current sensor, which allow the device to be clipped around an existing cable in seconds. Against this background,…

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1. Introduction Hall-effect vane sensors have long played a critical role in ignition timing, camshaft position detection, and rotational speed sensing in both automotive and motorcycle systems. Many classic vehicles-from early VW/Audi/SEAT gasoline engines to BMW boxer motorcycles and Saab/Volvo ignition modules-were originally equipped with Hall-effect vane sensors produced by manufacturers such as Siemens and Honeywell. However, as many original Hall-effect vane sensor models from Siemens and Honeywell have been discontinued, identifying a reliable Hall-effect vane sensor replacement has become…

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1. Introduction – Why Current Sensor Matters In modern power electronics and industrial systems, accurate current measurement has become a basic design requirement. It underpins energy management and efficiency analysis, supports Industry 4.0 concepts such as precise monitoring and predictive maintenance, and is essential for safety functions like overload detection and short-circuit protection. In EV charging, battery storage, and renewable energy converters, current feedback is also the key input for control algorithms, efficiency optimization, and long-term performance tracking. For many…

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Hall-effect vane sensors are widely used in automotive systems, industrial automation, consumer appliances, and compact robotics because they provide accurate position and speed information with simple mechanics and high robustness. In these sensors, a thin soft-magnetic vane modulates the magnetic flux between a fixed magnet and a Hall element. This approach ensures clean digital transitions or stable analog output even under harsh conditions such as dust, oil, vibration, or temperature fluctuations, while maintaining reliable switching behavior during startup without requiring…

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