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RF Admittance Level Switch

RF-100 Standard RF Admittance Level Switch

    Model: RF-100-4-CT-B-A-100
    Measuring Medium: Liquid,Solid
    Measuring Type: Contact type
    Power Supply: 220VAC,24VDC
    OutPut: Relay
    Material: Stainless steel
    Case Material: Aluminum alloy
    Connection: Thread,Flange,Chuck
    Mounting: Top mounted,Side mounted,Bottom mounted
    Temperature: High temperature
    Pressure: Normal pressure
    IP code: IP65,IP66,IP67
    Ex area: Explosion-proof

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Introduction

In order to overcome the influence of adhesion, a shield electrode is added between the measuring electrode and the grounding electrode in the RF Admittance Level Switch to ensure the correct signal alignment. This special electrode structure is particularly suitable for detecting various materials and is not affected by material adhesion. The electrode rod of the RF Admittance Level Switch is composed of a measuring electrode, a shield electrode, and a grounding electrode. The three electrodes are isolated by insulating materials. When the material touches the measuring electrode, the admittance between the measuring electrode and the grounding electrode increases. Therefore, the level of the material can be judged based on this change in admittance. The shield electrode is placed between the measuring electrode and the grounding electrode, and its signal waveform is completely identical to that of the measuring electrode, but the two are completely isolated and independent. This can suppress the occurrence of material adhesion on the electrode rod itself. The admittance change caused by material adhesion between the measuring electrode and the grounding electrode only affects the admittance change between the measuring electrode and the tank wall detected by the level switch, so errors can be eliminated when material adhesion occurs.

Specification

Material: SUS304/316/316L

Case Material: Aluminum Alloy

Connection: G1",1NPT,Flange,Sanitary

Process Temperature: -40~+80°C(-104~+176℉)

Process Pressure: -1~16 Bar(-14.5~232 Psi)

Power Supply: 20-46VDC/22-265VAC(50/60Hz)

Output: Relay

Sensitivity: 0.3PF

Feature

● Unaffected by material adhesion 

● Fully enclosed electronic module with "active shielding technology" to avoid the influence of hanging materials and ensure functional safety

● Good stability and unaffected by temperature

● Adjustable delay output of 0-30 seconds

● Suitable for use in high temperature or high pressure environments, with a pressure range of up to 80 bar and temperature range of up to 800°C (customizable up to 1200°C)

● Switchable high and low level failure protection alarm function

● Suitable for detecting liquids, pastes, solids, particles, and interfaces.

Application

Applied for measuring fly ash, solid particles, liquids, and adhesive materials, especially suitable for ash level control in power plant dust collectors, ash silo level control, etc.

Overflow protection

High and low liquid level alarms

Pump control or restriction detection

Anti-dry rotation or pump protection

Manual Download

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Email: [email protected]

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