Horn Type Radar Level Meters (FRL21-L)

Fvluoky horn-type radar level gauge, using imported American chips and high frequency, dual-circuit microcomputer processing technology. This horn type radar level transmitter is suitable for liquid level and material level measurement and control. With high-sensitivity electronic components, the horn type radar level transmitter provides more accurate and stable measurements. Moreover, the horn type radar level transmitter can be used for sanitary liquids.

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Main Feature of Horn Type Radar Level Transmitters (FRL21-L)

Measurement range: 30m
Process connection: Thread, flange
Medium temperature: -40 ~ 120℃
Process pressure: -0.1 ~ 0.MPa
Accuracy: ±5mm
Frequency range: 26GHz
Explosion-proof grade: Exd IIC T4~T6
Protection level: IP67
Output signal: 4 …20mA/HART (two-wire / four-wire) /RS485

Parameter of Horn Type Radar Level Transmitters (FRL21-L)

Measuring Range	0-5M, 0-10M, 0-20M, 0-30M, 0-70M	Display	2-row LCD with built-in echo graph
Medium	Liquid level, material level, dust, particles	Buttons	4 built-in buttons for operation and display control
Probe Material	PTFE, SUS304, SUS316	Response Speed	2s
Probe Type	Horn type, Rod type, Cable type, Pole type, conical, arc-shaped	Operating Temperature	40~+100℃(integrated) IP67
Wave Frequency	6.3GHz, 26GHz		-40~+150℃(separate type) IP67
Wave Frequency	80GHz		-40~+250℃(Cooling fin) IP67
Dead Zone	0.2m		40~+500℃(Cooling fin) IP67
Emission Angle	3°, 7°	Ambient Temperature	-40~+70℃
Pressure Rating	1.6Mpa, Special Consultation	Humidity	<95%
Protection Level	IP 67	Power Supply	22oV AC, 24VDC
Explosion-proof Grade	Ex d IIC T6	Accuracy	±2mm, ±5mm
Electrical Interface	M20*1.5, 1/2" NPT	Repeatability	+/-0.1%
Signal output	4～20mA	Resolution	1mm
Communication Protocol	HART/RS485	Installation	Thread, Flange, Clamp

The Principle of Horn Type Radar Level Transmitter

The horn-type radar level transmitter uses a horn antenna to produce a focused microwave pulse that is directed toward the material surface. When the pulse strikes the surface, it is reflected back to the device. The time interval between sending and receiving the pulse is used to compute the material level in the container. This method avoids physical contact and is effective in conditions with high temperature, pressure, or vapors.