Radar level meter

- Nov 19, 2017 -

Radar level gauge is a universal radar level gauge, it is based on the principle of time travel measuring instruments, radar wave speed of light operation, operating hours can be converted into electrical signals through the electronic components. The probe sends a high-frequency pulse to propagate in space at the speed of light. When the pulse encounters the surface of the material, it is reflected and received by the receiver in the meter, and the distance signal is converted into a level signal

Radar level meter

Application: liquid, powder, solid particles

Measuring range: 30 meters

Process connection: thread, flange

Process temperature: -40-250 °

Process pressure: -1.0-20bar

Accuracy: <0.1%

Frequency range: 100MHZ - 1.8GHZ

Protection class: Exia Ⅱ C T6 / IP67

Signal output: 4-20mA / HART (two-wire)

Advantages and applications:

1, the radar level gauge can measure liquids, solid media such as: crude oil, slurry, coal, pulverized coal, volatile liquids;

2, can measure in vacuum Can measure all media constant> 1.8 medium, measuring range up to 35m;

3, power supply and output signals through a two-wire cable (loop circuit), using 4 ... 20mA output or digital signal output;

4, non-contact measurement and easy installation Extremely stable and durable materials, accurate and reliable Resolution up to 1mm;

5, from the noise, steam, dust, vacuum and other conditions;

6, from the medium density and temperature changes, the process pressure up to 40bar, medium temperature up to 300 ℃;

7, there are a variety of installation options: top, side installation, bypass pipe installation, waveguide installation;

8, debugging can choose from a variety of ways: the use of programming module debugging (equivalent to an analysis and processing instrumentation), SOFT software debugging, HART handheld programmer debugging, debugging up and convenient.

Measurement principle editor

Radar level gauge is based on the principle of time-domain reflection (TDR) -based radar level gauge, the electromagnetic pulse of the radar level gauge at the speed of light along the cable or probe propagation, when the surface of the measured medium, the radar level Some of the pulses are reflected to form echoes and return to the pulse launcher along the same path. The distance between the launcher and the surface of the measured medium is proportional to the propagation time of the pulse between them and the height of the liquid level is calculated.

Application Guide Editor

Radar level gauge used in water tank, acid storage tank, slurry storage tank, solid particles, small storage tank. Various types of conductive, non-conductive media, corrosive media. Such as coal warehouse, ash warehouse, oil tank, acid tank and so on

The advantages of radar level gauge

Radar level gauge is a non-contact measurement or TDR guided wave measurement

Radar level gauge electromagnetic pulse for rapid measurement, high precision, anti-interference ability

Corrosion-resistant (most of the probe 316 stainless steel or PVDP and other materials)

High pressure (40Kg / cm2)

High temperature (200 ℃)

Radar level gauge considerations

Radar level gauge for installation space has certain requirements

Pay attention to the dielectric constant of the medium and select the appropriate model based on the dielectric constant

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