RF Admittance Level Switchs for Solids & Liquids | Anti-Buildup High Precision Detection

Instrava Curated Instruments — Built on carefully evaluated sensing technologies, our rf admittance level switchs deliver high-precision, stable, and intelligent level detection across solids, liquids, and challenging industrial media.

This rf admittance level switch for sticky materials and bulk solids uses advanced admittance measurement with triple-electrode shielding technology to eliminate false signals caused by buildup, ensuring reliable switching in dusty, viscous, and high-temperature environments.

✔ Anti-buildup intelligent detection
✔ Ultra-wide temperature and pressure capability
✔ Maintenance-free operation

Liquid Level Switches Description  

RF Admittance Level Switch Advantages for Industrial Applications

Triple-Electrode RF Admittance Level Switch with Anti-Buildup Technology

This rf admittance level switch with shielding electrode design consists of:

  • Measuring electrode
  • Shield electrode
  • Ground electrode

The shield electrode isolates interference and ensures that only true material level changes are detected, effectively eliminating false signals caused by material adhesion or coating.


High-Precision RF Admittance Level Switch with Intelligent Measurement

This high accuracy rf admittance level switch provides:

  • Measurement range up to 3300 pF
  • Resolution of 0.01 pF
  • Accuracy up to 0.05 pF
  • Stability of 0.01%/°C

Delivering reliable and repeatable level detection in critical processes.


Universal RF Admittance Level Switch for All Media Types

This rf admittance level switch for solids, liquids, and slurry supports:

  • Conductive and non-conductive liquids
  • Powders (cement, fly ash)
  • Granular materials (grain, plastic pellets)
  • Slurry and viscous media

Making it a versatile solution for multiple industries.


High Stability RF Admittance Level Switch for Harsh Conditions

Designed for extreme environments, this industrial rf admittance level switch performs reliably under:

  • Steam and foam
  • Agitation and turbulence
  • Dust, crystallization, and wax buildup
  • High temperature up to 1200°C (custom)

Maintenance-Free RF Admittance Level Switch with Strong Anti-Interference

With no moving parts and contact measurement, this maintenance-free rf admittance level switch offers:

  • No mechanical wear
  • Strong resistance to electromagnetic interference
  • Long-term stable performance
RF capacitance type level switch installed on an industrial platform, showcasing a compact horizontal mounting solution.
Real-world installation of an RF admittance level switch on an industrial conical hopper, showcasing high-reliability point level monitoring for bulk solids.

RF Admittance Level Switch Applications for Industrial Processes

RF Admittance Level Switch for Powder and Bulk Solids

This rf admittance level switch for powder level detection is widely used in:

  • Cement and fly ash silos
  • Metallurgy and mining
  • Power plants

RF Admittance Level Switch for Liquid and Slurry Measurement

Suitable as a rf admittance level switch for liquid and slurry, including:

  • Chemical liquids
  • Oil field applications
  • Wastewater treatment systems
  • Pulp and pharmaceutical slurry

RF Admittance Level Switch for High Temperature and High Pressure Systems

With support for:

  • Pressure up to 63 kgf/cm²
  • Extreme temperature environments

This high-temperature rf admittance level switch is ideal for harsh industrial processes.

Liquid Level Switches Parameter  

Parameter Specification
Measuring Principle RF Admittance (Capacitance + Impedance)
Measuring Range 1–3300 pF
Resolution 0.01 pF
Accuracy 0.05 pF
Stability 0.01%/°C
Power Supply 18–36V DC / 90–265V AC
Power Consumption <0.8W (DC) / <5VA (AC)
Output DPDT Relay / 8mA–16mA Two-wire
Relay Capacity 5A / 250V AC
Delay 0–20 s Adjustable
Process Temperature -40°C to 1200°C (custom above 230°C)
Process Pressure Max 63 kgf/cm²
Installation Thread / Flange
Protection Rating IP66 / IP67
Load Capacity Up to 215 Nm (high-temp type)
Explosion Proof Ex ia / Ex db / Ex tb / Composite
Certification SIL-ready / EAC certified
Cable Entry M20×1.5 / 1/2″ NPT

Instrava OEM/ODM

Tailored Sourcing & Customization: Getting You the Exact Product You Need

As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.

Finding the right product in a massive supply chain can be challenging. That is where we step in.

As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.

How We Customize to Fit Your Procurement Needs

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Related Product Recommendations  

A rf admittance level switch with shielding electrode uses a driven shield that matches the measuring signal, isolating buildup on the probe. This ensures only the actual material level is detected, eliminating false readings.

A rf admittance level switch for industrial materials can measure:

  • Liquids (conductive and non-conductive)
  • Powders (cement, fly ash)
  • Granules (grain, plastic pellets)
  • Slurry and viscous materials

Yes, this industrial rf admittance level switch is designed for:

  • High temperature up to 1200°C
  • High pressure systems
  • Dust, steam, and turbulent conditions

A rf admittance level switch can distinguish between material buildup and actual level, while capacitive switches cannot, making RF admittance more reliable in sticky or coating applications.

No. This maintenance-free rf admittance level switch has no moving parts and requires minimal cleaning or servicing.

Typical applications include:

  • Cement and power plants
  • Chemical processing
  • Oil and gas industries
  • Water and wastewater treatment

Why Trust Instrava?

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Our very existence depends on helping you source the products that are the perfect fit for your needs.

Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.

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