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Introduction

principle

The working principle of the tuning fork level switch is that through a pair of pressures installed on the tuning fork base, the transistor makes the tuning fork vibrate at a certain resonance frequency. When the measured material covers the tuning fork, the vibration is slowed down. The transformed vibration frequency is automatically sensed, and the signal is processed to adjust the relay to achieve the purpose of indication or control.

Features

Strong adaptability - the different electrical parameters and density of the tested material will not affect the measurement. Harsh conditions such as scaling, agitation, turbulence, air bubbles, vibration, medium viscosity, high temperature, and high pressure have no effect on inspection.

Function

It is suitable for fixed-point alarm or control of solid material level in various silos and liquid level in various containers.

Solid Materials: Free-flowing, medium-density solid powders or granules.

Such as: fly ash, cement, sand, stone powder, plastic particles, salt and sugar, etc.

Liquid medium: explosive and non-explosive dangerous liquid, corrosive liquid (acid, alkali) high viscosity liquid,

Such as: tap water, acid-base solution, mineral water, pulp, dyes, oils, milk, alcohol, beverages, etc.

application

Paper making, brewing, cement, chemical industry, dairy products, edible oil, food and beverage

Sugar, fertilizer, glass, textile, semiconductor, water and sewage, pharmaceutical manufacturing

Coal mines, smelting, paint workers, oil and gas, metal packaging.

technical parameter

Supply voltage:DC24V&AC220V
Power consumption:DC power supply: 0.25W AC power supply: 1.5W
Ambient temperature:-40~70℃
stored temperature:-40~85℃
Medium temperature:-40~150℃
Media Density:≥0.7g/cm3
Working pressure:≤2MPa
Wetted material:304 stainless steel 316L stainless steel corrosion resistant material PTFE
Liquid viscosity:≤10000mm2/s
output method:DC24V power supply, PNP output, 800mA Max
DC24V power supply, NPN output, 800mA Max
DC24V power supply, Relay output, 4A Max
AC220V power supply, Relay output, 4A Max
Threaded interface:G1〞
Fork body length:60~2000mm (minimum 60)
Wiring:M12 Aviation Plug & Hessman Connector
Protection class:IP65&IP67
Switching time:About 2 seconds when the measured medium is covered, about 3 seconds when there is no medium
Materials to be tested:Powder and Granules=10mm, Density>0.1g/cm3
Liquid, viscosity=10000mm2/S, density>0.7g/cm3

Selection table

TFM-Miniature Tuning Fork Level Switch

Power supply and output method

DC24V power supply, PNP output, 800mA Max

DC24V power supply, NPN output, 800mA Max

DC24V power supply, Relay output, 4A Max (*)

AC220V power supply, Relay output, 4A Max

Fork form

Standard type: 100mm (*)

Extended type, the number is the extended length (100mm fork body size remains unchanged) (this data includes 100mm)

Process connection

Threaded interface: G1

Wiring

M12*1.0 aviation connector

Herssman joint

Wetted part material

Stainless steel 1.4301(304) (*)   

Stainless steel 1.4435 (316L)

Corrosion-resistant material PTFE
The above selection table does not contain selection codes. For selection, please contact the sales staff or email to sales@kewill-auto.cn to obtain a complete sample.
Remarks: "*" is marked as stock standing or fast delivery
Prev :TF Series Tuning Fork Level Switch
Next:RM Series Resistance Rotary Material Level Switch
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