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L309 guided wave radar level gauge
Product description: Range: 0-30m Optimal accuracy: 1mm Measurement principle Guided wave radar is a measuring instrument based on the time travel pri
Product details
Product Description:
Range: 0-30m Optimal accuracy: ± 1mm
measuring principle
Guided wave radar is a measuring instrument based on the principle of time travel. Radar waves travel at the speed of light, and the travel time can be determined by electronic components
Convert into level signal. The probe emits high-frequency pulses and propagates along the cable. When the pulse encounters the surface of the material, it is reflected back and connected to the instrument
The receiver receives and converts the distance signal into a level signal.
input
The reflected pulse signal is transmitted along the cable to the electronic circuit of the instrument, and the microprocessor processes this signal to identify the microwave pulse
The echo generated on the surface of the material. The correct recognition of echo signals is completed by intelligent software, and the distance D from the material surface is
The time travel T of the pulse is proportional:
D=C×T/2
Where C is the speed of light
Since the distance E of the empty tank is known, the level L is:
L=E-D
output
By inputting the empty tank height E (=zero), full tank height F (=full range), and some application parameters, the application parameters will be set
Adapt the instrument to the measurement environment. Corresponding to 4-20mA output.
Technical parameters:
Application scope:
Petroleum, chemical, textile, metallurgy, mining, light industry, medicine, electricity, environmental protection, municipal, food and scientific research fields, etc
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