HCDAR-800-120 meter radar level gauge for measuring corrosive liquids

0-120 meter radar level gauge for measuring corrosive liquids

The HCDAR-8x series is a special millimeter wave technology called Frequency Modulated Continuous Wave (FMCW) level measuring instrument. The working frequency is 76-81GHz, and the output signal is two-wire (4-20) mA. The maximum range can be measured up to 20 meters, but the blind spot is as small as 8 centimeters. The antenna beam angle is about 3 °, and its excellent performance ensures accurate measurement of liquid, solid, and dust materials.

Product Principle

The HCDAR-8x series emits a microwave signal with a frequency that varies linearly with time. The reflected signal from the microwave encountering the material is mixed with the emitted signal through a 'mixer'. The difference frequency between the two is proportional to the distance from the radar to the reflection surface, and the required distance information is obtained through FFT transformation.

Selection and Application

0-120 meter radar level gauge for measuring corrosive liquidsInstallation requirements

Two points to note during installation:

(1) Aim at the target material level and try to ensure the vertical incidence material level as much as possible;

(2) Avoid false echoes. Typical operating conditions refer to the following points.

Product Features

Based on complementary metal oxide semiconductor (CMOS) devices, highly integrated, with higher signal-to-noise ratio and smaller blind spots.

2. 5GHz working bandwidth enables the product to have higher measurement resolution and accuracy.

3. The narrowest 3-antenna beam angle reduces the impact of interference in the installation environment on the instrument, making installation more convenient.

4. The wavelength is shorter and has better reflection characteristics on solid surfaces, so there is no need to specifically use universal flanges for aiming.

5. Support remote debugging and upgrading, reduce waiting time, and improve work efficiency.

Application Cases

Suitable for liquid measurement, with a small antenna beam angle, suitable for small tank diameters, limited installation positions, and high height in slim and tall compartments.