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Products & ServicesFinehood Sensors guarantees quality by using only imported-brand core components and has established long-term strategic partnerships with these suppliers. We boast a daily production capacity of 20,000 sensors per model, backed by lean management principles and a U-shaped production line that enables flexible manufacturing. Additionally, our sensor testing facilities are fully equipped, and after rigorous multi-stage performance tests, our products achieve an impressive 99.9% pass rate.
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Industry SolutionsFinehood Electronics strictly adheres to the ISO9001 quality management system and has successfully been recognized as a National High-Tech Enterprise, boasting multiple patents for its sensor products. Fufan ensures superior sensor quality by sourcing core components exclusively from renowned international brands, with whom we’ve established long-term, strategic partnerships.
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Artisanal Precision Manufacturing
Artisanal Precision ManufacturingFinehood Electronics boasts a dedicated R&D team whose members come from leading sensor companies in Japan, Europe, and North America. With mature and comprehensive sensor solutions at their disposal, the team can significantly reduce engineers' time spent selecting sensors, ultimately helping to shorten product development cycles.
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Support and CustomizationFinehood Electronics boasts a dedicated R&D team whose members come from leading sensor companies in Japan, Europe, and North America. With mature and comprehensive sensor solutions at their disposal, the team can significantly reduce engineers' time spent selecting sensors, ultimately helping to shorten product development cycles.
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AboutShenzhen Finehood Electronics Co., Ltd. was established in 2011 and is a technology-driven manufacturer integrating sensor R&D, production, and sales.
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2025
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06
The Difference Between a Level Sensor and a Level Switch
The difference between a liquid level sensor and a liquid level switch:
Many people confuse level sensors with level switches, often assuming they’re the same device. In fact, there’s a significant difference between the two. A level sensor doesn’t necessarily display the actual liquid level—it simply outputs an electrical signal indicating whether the level is above or below a certain point. On the other hand, a level controller uses the signal from the level sensor to activate valves that either drain or fill water, maintaining the water level at a constant setpoint.
The role of a liquid-level sensor is to generate an electrical signal. If you add a device that reads and displays this electrical signal, you get an electronic level gauge. But if you also include a unit that processes the electrical signal, you have a liquid-level controller.
Simply put, here's the situation:
A liquid level switch is a switch installed on a container that activates when the liquid reaches a specific water level, sending a control signal.
The liquid level sensor can function both as a level indicator and as a switch, but it’s more sophisticated—it provides continuous monitoring of the liquid level status.
Conclusion: As science and technology continue to advance, industries across the board are increasingly demanding higher levels of technological sophistication—particularly in terms of precision, which is becoming ever more stringent. In this context, liquid level sensors stand out as highly accurate measurement tools, making them widely used in fields such as mechanical manufacturing, chemical process control, and automation in light industry. That concludes our introduction to the key aspects of liquid level sensors, and we hope this has provided you with a more comprehensive understanding of their applications and significance.
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