The Disc Type RF Admittance Level Switch is engineered for reliable level measurement of both conductive and non-conductive liquids, as well as sticky or non-sticky bulk solids. Its compact disc design allows for versatile mounting options and non-contact sensing, ensuring accurate detection unaffected by material properties such as density or viscosity.
Applications
- Liquid Level Measurement: Precise detection in tanks for water, chemicals, and oils.
- Bulk Solid Monitoring: Level measurement for powders and grains in silos.
- Overfill Prevention: Prevents overflow in storage tanks by detecting high levels.
- Dry Run Protection: Monitors pump operation to prevent damage from running dry.
- Interface Detection: Identifies interfaces between different liquids, such as oil and water.
- Wastewater Treatment: Manages levels in wastewater facilities efficiently.
- Food and Beverage: Ensures level control in food processing applications.
- Chemical Processing: Monitors levels of hazardous liquids in chemical plants.
- Pharmaceuticals: Maintains accurate level measurement in manufacturing.
- Petrochemical: Monitors liquid levels in storage and distribution systems.
Key Features
- Versatile Compatibility: Suitable for conductive liquids, sticky and non-sticky bulk solids.
- Flexible Mounting: Available for both top and side mounting options.
- High Temperature and Pressure Tolerance: Operates at a maximum temperature of 200 °C and pressure of 3 bar.
- Customizable Safety Settings: Minimum and maximum fail-safe fields are selectable.
- Multiple Switching Options: Offers single point, multipoint, and pump-control switching capabilities.
- Low Maintenance: Designed for reliability with minimal upkeep.
- Robust Construction: Built with durable materials to withstand harsh conditions.
- User-Friendly: Easy to install and operate, enhancing user experience.
- High Sensitivity: Capable of precise level detection for various applications.
Working Principle
The Disc Type RF Admittance Level Switch operates on the principle of measuring capacitance changes to detect the level of a medium. It consists of a sensing rod and a guard electrode, both immersed in the material being measured. When the sensing rod is in air, the capacitance between the rod and the guard electrode is at a certain level. As the medium (liquid or solid) rises and contacts the rod, it alters the capacitance due to the dielectric properties of the medium. This change is detected by the electronic circuit, which continuously monitors the capacitance. When the capacitance reaches a predetermined threshold, indicating that the medium has reached a certain level, the switch activates. This can trigger an alarm, control a pump, or provide a signal to a control system, ensuring accurate level monitoring and control.