Non Contact Radar Level Transmitter

About Non Contact Radar Level Transmitter

Measurement Principle:

Antenna system to launch and microwave receiving energy is very low, very short pulse. Radar waves

travel with the speed of light. The running time can be through the electronic components are converted

into a signal. Measurement of this special time extension method can realize stable, accurate in a very

short period of time.

Even if the condition is very complex, the presence of false echo, with the latest micro-processing

technology and debugging software also can analyze the level echo accurately.

Microwave antenna to receive the reflected pulse and transmitted to the electronic circuit, a

microprocessor to signal processing, to identify the micro pulse generated on the material surface echo.

Echo recognition is completed by the pulse system, the accuracy can reach millimeter level. From the

material surface distance between D and T pulse is proportional to the time travel:

D=C—T/2

Where C is the speed of light

Because of the air tank is a known distance E, L:

L=E-D

By setting the empty tank height E (= zero), the full height of F (= full scale) and some application

parameters, application parameters automatically makes the instrument to measure the environment. 4

- 20mA with a corresponding output.