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YK-RLGJ.80 GHz FMCW Radar Level Transmitter

80 GHz FMCW radar level transmitter are suitable for non-contact continuous measurement of the level of liquids, slurries, and granular materials. They are applicable in situations with significant temperature and pressure variations, as well as in environments where inert gases or volatile substances are present.

008615821551277

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8615821551277

YK-RLGJ.80 GHz FMCW Radar Level Transmitter

description1

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Product Parameters

Parameter	Specification	Parameter	Specification
Structural Form	Integrated Type, Split Type	Antenna Form	Drop-shaped Lens Antenna
Housing Material	SUS304, SUS316, Aluminum Alloy	Beam Angle	3 degrees
Transmission Frequency	80GHz	Ambient Temperature	-25 ~ 60℃
Process Temperature	-40 ~ 250℃	Applicable Pressure	0~4.0 MPa (Negotiable)
Accuracy	±1mm	Electrical Interface	M20×1.5 (Negotiable)
Output Mode	4~20mA, RS485	Protection Grade	IP65, IP66
Certification	Intrinsically Safe, Flameproof	Power Supply Voltage	220VAC, 24VDC

Product Principle

The operating principle of the FMCW (Frequency Modulated Continuous Wave) radar level meter is that the radar emits electromagnetic waves from the top of the tank. After the waves are reflected by the medium surface, they are received by the radar. The frequency difference (δf) between the transmitted and received signals is proportional to the distance R to the medium surface:

R=C×δf/(2K)

Where C is the speed of light and K is the frequency modulation slope. Since C and K are known, the frequency difference δf can be used to calculate the distance R from the radar to the material surface. The level height is then obtained by subtracting this distance from the total tank height.