Particularly Low Dielectric Constant Liquid -40℃ Radar Type Level Sensor
1 Piece/Pieces
Particularly Low Dielectric Constant Liquid -40℃ Radar Type Level Sensor
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Basic Infomation
Place of Origin: Sichuan, China (Mainland)
Brand Name: Vacorda
Certification: CE/ISO9001
Model Number: HKD704
High Light:

guided wave radar level transmitter


non contact type radar level transmitter

Payment & Shipping Terms
Packaging Details: wooden box
Supply Ability: 110 Piece/Pieces per Week
Product Name: Guided Wave Radar Level Transmitter For Particularly Low Dielectric Constant Liquid
Application: Solid
Range: 6m
Output: RS485
Color: Made To Order
Product Description

Particularly Low Dielectric Constant Liquid -40℃ Radar Type Level Sensor

Particularly Low Dielectric Constant Liquid -40℃ Radar Type Level Sensor 0

Installation Guide

Within the measurement range, determined not to come into contact with the cable or rod internal obstacles, Therefore, the installation should be avoided as far as possible the tank facilities, such as: human ladder, limit switches, heating devices, stand etc. Also note that the cable or rod may not intersect with the material during feeding.

Also note that when installing the meter : Highest Level measurement can not enter into the blind; Must be maintained between the instrument and the tank wall a certain distance; When the meter is installed, try to stick with cable or perpendicular to the surface of the measured medium. Meter installation in hazardous areas must comply with state regulations explosion hazardous installation area. Intrinsically safe instrument requires the use of shell with aluminum. Intrinsically safe instrument can be installed in explosion-proof requirements of the occasion, the instrument must be connected to the earth.

The following guidelines apply to the installation of the cable and the rod radar level measuring solid powder or liquid.


Installation position:

1. Far away from the discharge port and inlet.

2. Metal cans in the entire measuring range, not to touch the tank wall and tank bottom.

3. Recommended meter installed in 1/4 or 1/6 of the silo diameter, and the minimum distance is 1/10 of the tank wall of the measuring range.

4. Cable type or rod probe the minimum distance from the tank wall ≥300mm.

5. Bottom of the probe from the tank bottom ≥30mm.

6. The minimum distance from the probe obstructions ≥200mm.

7. If the bottom of the container is a cone, you can install a central tank top.

Particularly Low Dielectric Constant Liquid -40℃ Radar Type Level Sensor 1


Suitable for Medium: Liquids, particularly low dielectric constant liquid
Application: Measuring No ion water, deoxygenated water and other liquids
Explosion-proof Grade: Exia IIC T6 Ga/Exd IIC T6 Gb
Measuring Range: 6m
Antenna: Coaxial tube type antenna
Accuracy: ±50mm
Process Temperature: (-40~250)℃
Process pressure: (-0.1~4)MPa
Signal output: (4~20)mA/HART
The Scene Display: Four LCD/Can be programmed
Power Source: Two-wire (DC24V), Four-wire(DC24V/AC220V)
Shell: Aluminum /Plastic
Connection: Flange (optional) / Thread
Frequency: 500MHz-1.8GHz


The sound wave is a mechanical wave with a density of 40; gas, liquid and solid 41; propagation depends on the influence of the medium, temperature and pressure on the measurement. Need temperature compensation. Temperature and pressure measurement are generally not applicable. First of all, the ultrasonic level gauge has a temperature limit. Generally speaking, the temperature of the probe cannot exceed 80 degrees, and the propagation speed of sound waves is greatly affected by temperature. Secondly, the ultrasonic level gauge is greatly affected by the pressure, generally within 0.3MPa, because the ultrasonic wave is emitted by the vibration of the piezoelectric material. When the pressure is too high, the sound part will be affected. Third, when the fog or dust in the measurement environment is large, the measurement effect is not good. The radar level gauge emits high-frequency pulses and propagates along the cable. When the pulse is in contact with the material surface, it is reflected by the receiver inside the instrument and the distance signal is converted into a material level signal. The electromagnetic wave is used as the detection signal, which is reflected to the interface as the dielectric constant changes. Electromagnetic waves can propagate in vacuum without being affected by changes in temperature and pressure. Therefore, it can be used in a high temperature and high pressure environment. The measurement of very low dielectric constant media is not applicable. The radar tube uses electromagnetic waves and is not affected by the degree of vacuum. It has a wide range of applications in terms of medium temperature and pressure. The emergence of high-frequency radar tubes makes the application range of radar tubes wider. Therefore, the radar tube is an

ideal choice for level measurement.

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