HR7380P Typical 80 GHz Radar Level Transmitter

80GHz Radar Level Transmitter is a range of Frequency Modulated Continuous Wave (FMCW) radar products operating in the 76-81GHz frequency range. These transmitters support both 4-wire and 2-wire applications. The products come in multiple models with a measurement range of up to 120m.

Utilizes self-developed CMOS millimeter-wave RF chips, enabling a more compact RF architecture, higher signal-to-noise ratio, and reduced blind zones. It is unaffected by attenuation caused by steam a

Minimum 3° antenna beam angle, resulting in reduced impact from environmental interferences during installation, making it more suitable for challenging process conditions such as mixing.

Supports remote debugging and upgrading, reducing wait times and improving operational efficiency.

The threaded interface is easy to install and can also be equipped with suitable flanges for different usage scenarios.

Shorter wavelength, providing better reflection characteristics on solid surfaces, significantly reducing dependence on flange orientation.

Supports Bluetooth debugging via mobile phones, facilitating on-site maintenance by field personnel.

Product related

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Brand : 恒瑞HighReach
Model : HR7380P
Mailbox : highreach@hr-tool.cn
Phone : 0917-3208995

Technical Parameters

Technical Specifications

Main Specification
Accuracy	±1mm； ±2mm； ±5mm； ±10mm； ±15mm
Range	0~5~10M；0~30~70~120M
Long-term Stability	＜0.02％ F.S/Year
Display Resolution	0.05mm
Temperature Characteristic
Oprating Temperature	A:(-40 ～85)℃; B:(-40 ～200)℃; C:(-40 ～350)℃; D:(-40～ 1000)℃
Storage Temperature	-40～ 125℃
Electrical Characteristic
Power Supply	DC8 ～30V（Typical 24V）
Power Supply Protection	Reverse connection protection, overvoltage protection
Output Mode	(4-20)mA, Hart protocol; RS485, MODBUS-RTU protocol
Insulation	100MΩ @50V
Structural Characteristic
Measurement Medium	Liquid or solid particles with a relative dielectric constant greater than 2
Housing Material	Cast aluminum or stainless steel
Cable Material	PVC;PU
Cable Specifications	Outer diameter Φ7.6-10mm, with shielding; custom length
Environmental Characteristic
Protection Level	IP65； IP67

Selection Guide

HR 7380P	Radar Level Gauge（P-regular thread/flange interface）
	Range	0.1 ～10M；0.3~120M
	[0~X] M L	X-Range of level ，L-Cable length
		Code	Output signal
		A	4~20mA ， HART
		B	RS485; 4~20mA
		C	4~20mA/HART;RS485, MODBUS- RTU protocol
			Code	Temperature of Medium measured
			T1	-40~85℃
			T2	-40~200℃
			T3	-40~350℃	*With isolation flange
			T4	-40~1000℃	*With isolation flange
				Code	Material of structural components
				Code	Housing	Flange
				S0	Cast aluminum	None
				S1	Cast aluminum	Stainless Steel
				S2	Cast aluminum	PTFE
					Code	Signal cable
					PU	Polyurethane
					PVC	Polyvinyl chloride
						Code	Security level
						P	Regular
						I	Intrinsic safety type
						D	Complete Model example

Related parameters

Communication and debugging

HR7380P can be debugged on-site using the LCD display or via PC-based software. Communication between the transmitter and a PC

can be achieved through the following methods:

USB to RS485 serial cable (4-wire).

USB to TTL serial cable (2-wire).

USB to HART modem (2-wire) for communication.

Bluetooth debugging via mobile phones, ensuring safer and more convenient on-site debugging.
Remote debugging is also possible using the 4G network and a remote module.

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