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RF Capacitance Level Switch is designed to provide accurate and reliable point level (High and Low Level) information of Solids (Powders and Lumps), Liquids and Slurry stored in vessels and tanks. The electronics consist of an oscillator,adetector and an output relay which is controlled by the detector.The probe contains an active section and a shield section insulated from each other and from the vessel ground. Most conventional sensors give a false indication when coated due to build up. EIP Level Sensors are designed to ignore any such build-up or coating.
Point level detection and process control for solid, liquid and slurry materials
Used in bins, vessels, tanks, chutes and conveyors
Plastics, chemicals, coal/fly ash, concrete, food ingredients, pharmaceuticals, feed, grain, mining, foundries, wood or paper processing, many other materials
Preferred Applications: Solids, Liquids and Slurries
Sizes of probbes: Refer Catalogue
Process Temperatures: -40°to +650°C
Process Pressure: -0.2 – 10 bar
Signal Output: 2 SPDT or 1 DPDT
Supply Voltage: 24 VDC/ 110 VAC/ 230 VAC
Power Consumption: Max 3 W @ 24 VDC
Hazardous Locations: Explosion Proof and Intrinsically Safe
The standard RF capacitance probes detect the presence or absence of material in contact with the probe by sensing minute changes (as low as 0.5 pF) in capacitance caused by the difference in the dielectric constant of the material versus the air. They feature interference-free operation, simple calibration, and fail-safe functionality and perform accurately even in dusty, sticky, or clinging materials. Class II hazardous location ratings and a wide assortment of probes and extensions make these point-level capacitance probes appropriate for a variety of solid, liquid, and slurry materials.