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Tuning Fork Level Switch

TF-100G Standard High-temperature Tuning Fork Level Switch

    Model: TF-100G-A-CT-A-C
    Measuring Medium: Liquid,Powder
    Measuring Type: Contact type
    Power Supply: 220VAC,12VDC,24VDC
    OutPut: Relay,PNP,NAMUR
    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

JVLER TF-100G Tuning Fork Level Switch utilize the piezoelectric crystal and the inherent frequency of the fork to drive and signal feedback to the fork, the fork produces resonance. When the material level contacts the fork, it sends back a frequency signal, and when the circuit detects the frequency drop of this signal, it converts it into an output of a contact signal. The damping effect produced by the measured object covering the fork causes the vibration frequency of the fork to decrease and outputs a switch signal. Therefore, there is no signal amplification circuit inside, which eliminates the problem of frequently adjusting sensitivity due to changes in material properties. When the fork switch is used for low alarm (or low-level control) purposes, the medium in the container flows through the fork. When it is lower than a specific position of the fork, it causes a change in the inherent frequency, which is detected by the electronic component, thereby switching the output status. When used for high-level alarm (or high-level control) purposes, the medium in the container rises and contacts the fork, causing a change in the inherent frequency and switching to the output status. 

Specification

Application: Liquid/Powder

Fork Material: SUS304/316/316L

Material: Stainless Steel

Fork Length: 100mm

Connection: G 1",1” NPT,Flange,Sanitary

Process Temperature: -40~+250℃(-104~+482℉)

Process Pressure: -1~64BAR(928PSI)

Signal Output: Relay, PNP,NPN

Power Supply: 8.2VDC/12VDC/24VDC/220VAC

Vibrating Frequency: 390 HzK10%

IP Protection: IP65/IP66/IP67

Feature

● Can be used in safety systems with SIL2/SIL3 functional safety requirements

● Can be used in sterile applications in the life sciences industry

● No adjustment required: quick start, economical

● No mechanical moving parts: maintenance-free, no wear, long service life

● Functional safety: fork damage monitoring

● Integrated stainless steel housing (optional)

● Can reach IP68 protection level, ensuring that the equipment is always in a sealed state, even during high-intensity cleaning or immersion in water for several hours, the equipment will not be flooded

Application

Product performance is reliable and not affected by flow, disturbance, bubbles, foam, vibration, solid medium or adhesion. It is an ideal limit sensing product for liquids, powders, and particles.

Overflow protection

High and low liquid level alarms

Pump control or restriction detection

Dry running protection or pump protection

Manual Download

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