Tuning fork level switches are widely used in various applications involving liquids, powders, and granular solids. Solid materials include rice, milk powder, sugar, salt, washing powder, dyes, cement, stone powder, and plastic granules. Liquid media such as water, mud, pulp, dyes, oils, milk, alcohol, and beverages can also be monitored effectively. These devices are capable of detecting sediment in liquids, making them highly versatile for industrial and commercial use.
The operation of a tuning fork level switch is based on the principle of piezoelectric crystal resonance. When the tuning fork comes into contact with the material, the vibration amplitude decreases significantly, and both frequency and phase shift occur. These changes are detected by an internal electronic circuit, which processes the signal and converts it into a switch output. This makes the device ideal for fixed-point alarms or level control in silos, tanks, and other containers.
The design of the tuning fork level switch is practical, simple, and reliable. It requires minimal maintenance, and the working status of the tuning fork and output is indicated via LEDs. Users can customize the device according to their preferences, with options for DC, AC, and more input methods. Output modes include DC current, relay contacts, and DC voltage, offering flexibility for different control systems. The instrument is corrosion-resistant, highly sensitive, and easy to install.
Key technical features of the tuning fork level switch include:
1) Dual-pole double-throw, multi-point control capability
2) Low power consumption, less than 1W
3) Compatibility with both AC and DC power sources, with a wide voltage range (DC 18V–50V, AC 50V–255V)
4) Multiple process connection options available
5) No calibration required, with straightforward installation
6) No moving parts or cracks, ensuring long-term reliability
7) Electronic components with self-testing and LED status monitoring
8) A variety of electronic modules for user customization
9) Maximum operating temperature up to 280°C
10) Fork body can be coated or polished for specific environments
11) Resistant to flow, turbulence, foam, vibration, solid content, coatings, and fluid variations
12) Strong adaptability, unaffected by electrical parameters, density, fouling, agitation, air bubbles, vibration, viscosity, temperature, or pressure
13) Maintenance-free once installed due to the absence of mechanical parts
14) No on-site adjustment needed, as the device is not influenced by the properties of the measured medium
Overall, the tuning fork level switch is an advanced solution for level detection. It works by using a pair of piezoelectric crystals mounted on the base of the tuning fork to vibrate at a specific resonant frequency. When the fork comes into contact with the material, its frequency and amplitude change, and these changes are detected and converted into a switching signal by the intelligent circuitry.
Huajiang Automation provides expert guidance and high-quality tuning fork level switches tailored to your needs. Our team of professionals is ready to assist you with any questions or concerns. We aim to deliver reliable solutions that meet your requirements and ensure smooth operations.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
Gate Valve
Gate valve is a relatively common general-purpose valve, the use of a wide range of applications, mainly in water conservancy, metallurgy and other industries, its extensive use of performance has been recognized by the market.
Gate valve structure: gate valve is the use of the gate and seat to control the opening and closing of the valve. Gate valve mainly has a valve body, valve seat, gate, valve stem, valve cover, stuffing box, packing gland, stem nut, hand wheel and other components. Depending on the change of the relative position between the gate and the valve seat, the channel size can be changed and the channel can be cut off. In order to make the gate valve close tightly, the mating surface of the gate plate and the valve seat are ground.
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