Low-frequency radar liquid (object) level gaugeYK-RD8

Suitable Medium

Liquid, solid

Unsuitable Media

gas

The 6GHz intelligent series radar level gauge is suitable for non-contact continuous measurement of the level of liquid, slurry, granular material and block material. It is suitable for the occasions where the temperature and pressure change greatly; there are inert gases and volatilization. The microwave pulse measurement method is adopted, and it can work normally in the industrial frequency band. The beam energy is low, and it can be installed in various metal and non-metal containers or pipes without harm to the human body or the environment.

文本细线

Principle

Transmit and receive very short microwave pulses with very low energy through the antenna system. Radar waves travel at the speed of light. The running time can be converted into a level signal by electronic components. A special time extension method can ensure stable and high-precision measurement in a very short time. Even if there are false echoes under complicated working conditions, advanced micro-processing technology and debugging software can accurately analyze the level echoes. The antenna receives the reflected microwave pulse and transmits it to the electronic circuit. The microprocessor processes this signal to identify the echo generated by the micro pulse on the surface of the material. The correct echo signal identification is completed by the pulse software, and the accuracy can reach the millimeter level. The distance D from the surface of the material is proportional to the time travel T of the pulse:


  D=C×T/2


   where C is the speed of light


  Because the distance E of the empty tank is known, the level L is:


  L=E-D


   is set by entering the empty tank height E (=zero point), the full tank height F (=full scale) and some application parameters. The application parameters will automatically adapt the meter to the measurement environment.

Features

     1. The antenna is small in size and easy to install; non-contact radar, no wear and no pollution;


     2. Hardly affected by corrosion and foam; hardly affected by water vapor, temperature and pressure changes in the atmosphere;


     3. The severe dust environment has little effect on the work of the high-frequency level meter;


     4. The wavelength is shorter, and it has better reflection on the inclined solid surface;


     5. The beam angle is small and the energy is concentrated, which enhances the echo ability and at the same time helps to avoid interference;


     6. The measurement blind area is smaller, and good results can be obtained for small tank measurement;


     7. High signal-to-noise ratio, better performance can be obtained even in fluctuating conditions.


Parameter

YK-RD801

Applicable medium: liquid, slightly corrosive liquid

Application: Sewage level measurement; low volatile acid-base level measurement;

Slurry level measurement;

Explosion-proof certification: Exia IIC T6 Ga/ Exd ia IIC T6 Gb

Measuring range: 20m

Antenna: Rod antenna (PP/PTFE)

Frequency: 6 GHz

Process temperature: (-40~130)℃

Measurement accuracy: ±10mm

Process pressure: (-0.1~0.3) MPa

Signal output: (4~20) mA/HART

On-site display: four-digit LCD programmable

Power source: two-wire system (DC24V)

Four-wire system (DC24V/AC220V)

Repeatability: ± 1mm

Shell: Aluminum / Plastic

Process connection: flange (optional)/thread

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YK-RD803

Applicable medium: liquid, especially pressure and volatile liquid

Application: crude oil and light oil level measurement; aluminum hydroxide level measurement;

Raw coal and limestone bin location measurement; coke level measurement;

Explosion-proof certification: Exia IIC T6 Ga/ Exd ia IIC T6 Gb

Measuring range: 35m

Antenna: Horn antenna

Frequency: 6 GHz

Process temperature: (-40~250)℃

Measurement accuracy: ±10mm

Process pressure: (-0.1~4) MPa

Signal output: (4~20) mA/HART

On-site display: four-digit LCD programmable

Power source: two-wire system (DC24V)

Four-wire system (DC24V/AC220V)

Repeatability: ± 1mm

Shell: Aluminum / Plastic

Process connection: flange (optional)

1525333383711580.png


YK-RD806

Applicable medium: solid, especially for medium measurement in high temperature environment

Application: Blast furnace material level measurement

Explosion-proof certification: Exia IIC T6 Ga/Exd ia IIC T6 Gb

Measuring range: 15m

Antenna: Horn antenna

Frequency: 6 GHz

Process temperature: (-40~400)℃

Measurement accuracy: ±20mm

Process pressure: (-0.1~0.1) MPa

Signal output: (4~20) mA/HART

On-site display: four-digit LCD programmable

Power source: two-wire system (DC24V)

Four-wire system (DC24V/AC220V)

Repeatability: ± 1mm

Shell: Aluminum / Plastic

Process connection: flange (optional)

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