Speed ​​sensor ZS-04-075-5000 is a magnetoelectric speed sensor designed for steam turbine digital electric control system (DEH). It uses the principle of electromagnetic induction. When the magnetic objects such as the speed measuring gear of the steam turbine rotate, it will change the magnetic field near the probe, and then generate an induced electromotive force in the probe coil. The magnitude of the electromotive force is proportional to the speed. The higher the speed, the greater the output voltage, and the output frequency is proportional to the speed.

The performance characteristics of speed sensor ZS-04-075-5000 include:

1. Powerful output signal: The sensor can generate a strong signal, has excellent anti-interference performance, and can achieve effective transmission and processing without an amplifier. It can work stably in harsh environments such as smoke, oil and gas, and water vapor, providing a stable and reliable speed signal for the DEH system.

2. Non-contact measurement: Since there is no need to contact the measuring parts, wear and maintenance costs are reduced, the service life is extended, and the influence of contact on the measurement results is avoided, so that the speed of the steam turbine can be measured more accurately.

3. No external power supply is required: It works on the principle of electromagnetic induction, and no additional power supply is required. It is more convenient to use, reduces the complexity and cost of the system, and improves the reliability of the system.

4. Simple and reliable structure: It adopts an integrated design, compact structure, easy installation, good impact resistance and shock resistance, and can adapt to harsh working conditions such as vibration during the operation of the steam turbine.

Speed ​​sensor ZS-04-075-5000 is mainly used for speed monitoring and protection of rotating machinery such as steam turbines, water turbines, fans, water pumps, reducers, air compressors, compressors, coal mills, etc. In industrial fields such as power plants, chemicals, and metallurgy, it plays a vital role in ensuring the safe and stable operation of rotating equipment.

Speed ​​sensor ZS-04-075-5000 is an indirect measurement device that can be manufactured by mechanical, electrical, magnetic, optical and hybrid methods. The speed sensor is a new type of speed sensor made of magnetoresistive material. The core part is to use magnetoresistive as the detection element, and then through the new signal processing circuit, reduce noise and improve the function. Comparing the output waveform of the speed sensor ZS-04-075-5000 with other types of gear speed sensors, the measured speed error is very small and the linear characteristics are very consistent.

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