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kaidi KFLS10-EH Normal Temperature Tuning Fork Level Switch

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kaidi KFLS10-EH Normal Temperature Tuning Fork Level Switch

kaidi KFLS10-EH Normal Temperature Tuning Fork Level Switch
  • kaidi KFLS10-EH Normal Temperature Tuning Fork Level Switch
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kaidi KFLS10-EH Normal Temperature Tuning Fork Level Switch
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Application:
Powder, fine granular materials
Measuring Range:
customisable
Protection Grade:
IP66
Accuracy:
1~10 levels adjustable
Frequency:
140Hz
Process Pressure:
-1…+40bar
Process Temperature:
-20°C~80°C (Normal temperature) -20°C~250°C (High temperature)
Process Connection:
G1-1/2
Explosion proof certification:
Ex d IIC T6~T1 Gb
Outer Covering:
Aluminium alloy, stainless steel
Power supply
19…60VDC 19…250VAC 50/60Hz
Signal output
Relay, AC250V/4A, DC60V/4A NPN, 400mA PNP, 400mA
MOQ
1 SET
Payments:
TT, Paypal, Credit card, Western union
Shipping ways:
Express(DHL,Fedex,TNT,EMS,UPS)/Air/Sea
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Product Overview

kaidi KFLS10-EH room temperature type tuning fork level switch is a kind of solid material level switch specialised in measuring powder and fine particles, it can measure fine sand, fine chemicals, flour, salt and other materials, the lowest density is up to 0.008g/cm³, which is especially suitable for ultra-low density material level measurement, it has a wide range of adaptability and very high reliability.

Working Principle

The probe of the tuning fork level switch is based on the tuning fork design, and adopts piezoelectric devices to realise the vibration drive and detection of the fork body. When not in contact with the material, the tuning fork vibrates freely at the resonant frequency. When the tuning fork is in contact with the measured material, the vibration amplitude of the tuning fork decreases significantly, and the amplitude of the output signal of the piezoelectric detecting device decreases accordingly, and the signal change is detected and analysed by the intelligent circuit and outputs a switching signal. The product through a reasonable increase in the area of the fork body, and the fork body after precision tuning, the sensitivity can be greatly improved, can measure the density of materials as low as 0.008g/cm³.

Product Features

(1) Reasonable fork area design, and the fork is precision tuned, can measure density as low as 0.008g/cm³.

(2) Dedicated to powder and fine particles of material measurement, can effectively prevent hanging material.

(3) Rich self-diagnostic function, can accurately locate fault information.

(4) Simple installation, maintenance-free.

(5) Through the CE and gas explosion-proof and gas intrinsically safe explosion-proof certification.

(6) Adopt corrosion-resistant material 316L.


Technical parameters

Applicable materials

Media Type

Powder, fine granular materials

Density of the medium

≥0.008 g/cm3

particle size

Maximum 10mm

Probe parameters

vibration frequency

Approaching 140Hz

Tuning fork length

100mm

response time

contact material

0.5s

 No material

1s

power supply

Relay output type

19…60VDC 19…250VAC 50/60Hz

2-wire type

10~36V DC

Maximum power consumption

DC<3W, AC <15W

signal output

relay (electronics)

AC250V/4A, DC60V/4A

two-wire system

NPN, 400MA     PNP,400MA

working environment

process pressure

-1~40bar

process temperature

Normal temperature -50~150℃

High temperature -50~250℃

Ultra-high temperature -50~400℃

environmental temperature

-40~80℃

Storage and transport temperature

-40~80℃

Cooling Specifications and Parameters (Ultra High Temperature Models Only)

Cooling inlet pipe

6×4 size (O.D. 6mm) PU air hose

cooling air pressure

0.8Mpa

Minimum flow rate of cooling gas

debugging required

overpressure protection

Relay output type

Category III, level I

2-wire type

Category III, level II

safety certification

protection class

IP65/IP66

Explosion-proof grade

Explosion-proof: Ex d IIC T6~T1 Gb

Intrinsically safe: Ex ia IIC T6~T1 Ga

CE

LVD Certificate and EMC Certificate

material (that sth is made of)

housings

Aluminium alloy, stainless steel

ground terminal

316L

process connection

316L, 316L coated PTFE

prong of a fork

316L, 316L coated PTFE

Process sealing

Rubber.PE gasket



Product Applications

(1) Level measurement of pyrogenic silica.

   The density of pyrogenic silica is as low as 0.01g/cm³, and this product can measure as low as 0.008g/cm³, which fully meets the measurement requirements of this working condition.

(2) EPP, EPS production process of pre-feeding machine, moulding machine material level measurement.

(3) Material level measurement of zircon sand and petroleum coke.

(4) Other process temperature does not exceed 150 ℃ (ultra-low density) particles, powder and other material level measurement.


Product Size


Product Installation

Installation Precautions:


1. When installed horizontally, the material level switch should be tilted 20° to prevent the phenomenon of hanging material. In order to reduce the direct impact of the material on the probe, you can install a protective baffle above the vibrating body, and the length of the baffle should be greater than the length of the horizontal installation of the probe. For general materials, the cross-section shape of the protective baffle is inverted V-shaped; for rough and dense materials, the cross-section shape of the protective baffle adopts positive V-shaped, in order to reduce the wear and tear of the material on the protective baffle. As shown in Figure I.

2. The material level switch should be avoided to be installed in the inlet to prevent damage or false operation caused by the impact of materials, and the fork face and the direction of media flow should be consistent.


Our technical team will check your specifications and make a best solution for you.

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