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HLR2 Guided Wave Radar Level Transmitter

Wide application range: Can measure various liquids, solids, and interfaces, even in challenging conditions like high pressure and temperature.

Non-contact measurement: The probe does not need to directly touch the liquid surface, minimizing wear and tear.

High accuracy: Provides precise level measurements with good repeatability.

Minimal maintenance: No moving parts, reducing maintenance requirements.

Steam and foam resistant: Can reliably measure levels in applications with significant steam or foam build-up.

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Model:
HLR2
Brand:
ZYZL
Code:
ZYZL-HLR2

Guided Wave Radar Level Transmitter Guided radar level measurement Continuous Level Measurement Oil and gas storage tanks Chemical processing vessels Silos for bulk solids Steam and foam resistant Separators High accuracy Columns Non-contact measurement Boiler drums Secondary desalters

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Guided wave radar level measurement

Guided Wave Radar Level Transmitters utilize microwave technology to measure continuous level and interface level of liquids, solids, and slurries.

Guided wave radar is based on microwave technology. Microwaves are only affected by materials that reflect energy which means that temperature variations, dust, pressure, and viscosity do not affect accuracy.

The device sends a low energy microwave pulse down a probe. When the pulse hits the media, a significant proportion of the energy is reflected back up the probe to the device. The level is directly proportional to the time-domain reflectometry. Because a proportion of the emitted pulse will continue down the probe, an interface can also be detected.

Application of guided wave radar level transmitters

Oil and Gas Industry: Measuring liquid levels in crude oil storage tanks, refined product tanks, and separators, as well as detecting interfaces between different oil phases.

Chemical Processing: Level measurement in chemical reactors, storage tanks, and mixing vessels, including applications with highly corrosive or viscous chemicals.

Petrochemical Industry: Monitoring liquid levels in distillation columns, fractionators, and pipeline systems.

Power Generation: Level measurement in boiler drums, feedwater tanks, and condensate storage tanks.

Food and Beverage Industry: Level monitoring in liquid storage tanks, mixing tanks, and processing lines for products like syrups, juices, and slurries.

Pharmaceutical Manufacturing: Precise level measurement in drug formulation tanks and storage vessels.

Wastewater Treatment: Monitoring liquid levels in clarifiers, sedimentation tanks, and storage basins.

HLR21 Applications: Liquid and solid measurement, complex process conditions Maximum range: cable: 30m/ rod: 6m Accuracy: ±3mm Process connection: G1½A /G2A /1½NPT Probe rod/cable material: stainless steel 316L Process temperature: (-40~150) ℃ Process pressure: (-0.1~4) MPa Signal output: (4~20) mA/HART Power source: two-wire system (DC24V) / Four-wire system (DC 24V/AC 220V)
HLR22 Application: Highly corrosive liquid media Maximum range: 6m Accuracy: ±3mm Process connection: PTFE flange Probe rod material: stainless steel with PTFE PTFE rod diameter: φ10mm Process temperature: (-40~150)℃ Process pressure: (-0.1~1.6) MPa Signal output: (4~20) mA/HART Power source: two-wire system (DC24V) / Four-wire system (DC 24V/AC 220V)
HLR23 Applications: Liquid measurement, especially small dielectric constant liquids, complex process conditions Maximum range: 6m Accuracy: ±3mm Process connection: G1½A, G2A Probe rod/cable material: stainless steel 316L/PTFE Coaxial outer diameter: φ38mm Process temperature: (-40~150) ℃ Process pressure: (-0.1~4) MPa Signal output: (4~20) mA/HART Power source: two-wire system (DC24V) / Four-wire system (DC24V/AC 220V)
HLR24 Applications: liquid measurement, high temperature and high pressure conditions, complex process conditions Maximum range: cable: 30m/ bar: 6m Accuracy: ±3mm Process connection: G1½A/G2A/1½NPT Probe rod/cable material: stainless steel 316L/ ceramic Process temperature: (-40 ~ 200)℃ Process pressure: (-0.1~4) MPa Signal output: (4 ~ 20)mA/HART Power source: two-wire system (DC24V) / Four-wire system (DC 24V/AC 220V)
HLR25 Applications: liquid measurement, high temperature and high pressure conditions, complex process conditions Maximum range: cable: 30m/ bar: 6m Accuracy: ±3mm Process connection: G1½A /G2A/1½NPT Probe rod/cable material: stainless steel 316L/ ceramic Process temperature: (-200~400) ℃ Process pressure: (vacuum ~40) MPa Signal output: (4~20) mA/HART Power source: two-wire system (DC24V) / Four-wire system (DC 24V/AC 220V)

Single-chamber type A shell

Aluminum ADC12

Double-cavity type D housing

Aluminum ADC12

HLR21

HLR22	HLR23

HLR24

HLR25

HLR21 Guide wave radar bit meter
certification
	P	Non-explosion-proof
	A	Ex ia IIC T1-T6 Ga - No supply for the time being
	B	Ex d ia [ia Ga] IIC T1～T6 Gb - No supply for the time being
Antenna type / material
		A	Cable-type / stainless steel 316L
		B	Stick-type / stainless steel 316L
		C	Extended PP / cable / stainless steel 316L (extended cable for condensation resistance, length 295mm)
		D	Extended PP / rod type / stainless steel 316L (extended bar for condensation prevention, length 295mm)
		E	Extended PTFE / cable / stainless steel 316L (extended cable for condensation protection, length 295mm)
		F	Extended PTFE / rod / stainless steel 316L (extended bar for condensation protection, length 295mm)
		X	Special customization
procedure linkage
			GP	Bar G1 1 / 2A
			KP	Thread, G / 2A
			NP	Thread NPT1 1 / 2
			YP	Special customization
Seal / process temperature
				A	Viton Fluoro rubber / (-30~150) ℃
				B	Kalrez perfluorinated rubber / (-40~150) ℃
Power supply and output
					B	4-20 mA / HART two-wire system (single chamber)
					C	4 ~ 20 mA / (22.8~26.4) VDC / HART four-wire system (two chambers)
					D	(198-242) VAC / HART four-wire system (two chambers)
					E	4-20 mA / (22.8~26.4) VDC / HART two-line system (two chambers)
					X	Special customization
Enclosure / protection grade
						A	Aluminum / IP67
						B	Plastic / IP66
						D	Aluminum 2-cavity / IP67
						G	Stainless steel, 316L / IP67
cable inlet
							M	Cable Enclosure M20 * 1.5
							N	Thread, NPT 1 / 2
Field display and button pressing
								A	belt
								X	not take
Cable (rod) long
									L	5 digits (unit: mm), less than 1 meter is calculated as 1 meter

HLR22 Guide wave radar bit meter
certification
	P		Non-explosion-proof
	A		Ex ia IIC T1-T6 Ga - No supply for the time being
	B		Ex d ia [ia Ga] IIC T1～T6 Gb - No supply for the time being
Antenna type / material
		A	Rod-type / PTFE
		B	Cable-type / PTFE
Process Connections / Material
			GP	Flange DN50 PN16 stainless steel 316L (GB / T9119-2000) + PTFE
			NP	Flange DN80 PN16 stainless steel 316L (GB / T9119-2000) + PTFE
			EP	Flange DN100 PN1.6 stainless steel 316L (GB / T9119-2000) + PTFE
			FP	Flange DN150 PN1.6 stainless steel 316L (GB / T9119-2000) + PTFE
			YP	Special customization
Process temperature
				A	（-40～150）℃
Power supply and output
					B	4-20 mA / HART two-wire system (single chamber)
					C	4 ~ 20 mA / (22.8~26.4) VDC / HART four-wire system (two chambers)
					D	(198-242) VAC / HART four-wire system (two chambers)
					E	4-20 mA / (22.8~26.4) VDC / HART two-line system (two chambers)
					X	Special customization
Enclosure / protection grade
						A	Aluminum / IP67
						B	Plastic / IP66
						D	Aluminum 2-cavity / IP67
						G	Stainless steel, 316L / IP67
cable inlet
							M	Cable Enclosure M20 * 1.5
							N	Thread, NPT 1 / 2
Field display and button pressing
								A	belt
								X	not take
Cable (rod) long
									L	4 digits (in mm), less than 1 meter, according to 1 meter

HLR23 Guide wave radar bit meter
certification
	P	Non-explosion-proof
	A	Ex ia IIC T1-T6 Ga - No supply for the time being
	B	Ex d ia [ia Ga] IIC T1～T6 Gb - No supply for the time being
Antenna type / material
		A	Coaxial type / stainless steel 316L
Process Connections / Material
			GP	Special customization
			KP	Thread NPT1 1 / 2
			NP	Thread, G / 2A
			YP	Bar G1 1 / 2A
Process temperature
				A	Kalrez perfluorinated rubber / (-40~150) ℃
				B	Viton Fluoro rubber / (-30~150) ℃
Power supply and output
					B	Special customization
					C	4-20 mA / (22.8~26.4) VDC / HART two-line system (two chambers)
					D	(198-242) VAC / HART four-wire system (two chambers)
					E	4 ~ 20 mA / (22.8~26.4) VDC / HART four-wire system (two chambers)
					X	4-20 mA / HART two-wire system (single chamber)
Enclosure / protection grade
						A	Stainless steel, 316L / IP67
						B	Aluminum 2-cavity / IP67
						D	Plastic / IP66
						G	Aluminum / IP67
cable inlet
							M	Thread NPT 1 / 2
							N	Cable Enclosure M20 * 1.5
Field display and button pressing
								A	not take
								X	belt
Cable (rod) long
									L	4 digits (in mm), less than 1 meter, according to 1 meter

HLR24 Guide wave radar bit meter
certification
	P		Non-explosion-proof
	A		Ex ia IIC T1-T6 Ga - No supply for the time being
	B		Ex d ia [ia Ga] IIC T1～T6 Gb - No supply for the time being
Antenna type / material
		A	Cable-type / stainless steel 316L / PTFE Rod-type / stainless steel 316L / PTFE
		B
		C	Extended PP / cable / stainless steel 316L (extended cable for condensation resistance, length 295mm)
		D	Extended PP / rod type / stainless steel 316L (extended bar for condensation prevention, length 295mm)
		E	Extended PTFE / cable / stainless steel 316L (extended cable for condensation protection, length 295mm)
		F	Extended PTFE / rod type / stainless steel 316L (extended bar for condensation protection, length 295mm)
		X	Special customization
Process Connections / Material
			GP	Bar G1 1 / 2A
			KP	Thread, G / 2A
			NP	Thread NPT1 1 / 2
			YP	Special customization
Process temperature
				A	Viton Fluoro rubber / (-30~200) ℃
				B	Kalrez perfluorinated rubber / (-40~200) ℃
Power supply and output
					B	4-20 mA / HART two-wire system (single chamber)
					C	4 ~ 20 mA / (22.8~26.4) VDC / HART four-wire system (two chambers)
					D	(198-242) VAC / HART four-wire system (two chambers)
					E	4-20 mA / (22.8~26.4) VDC / HART two-line system (two chambers)
					X	Special customization
Enclosure / protection grade
						A	Aluminum / IP67
						B	Plastic / IP66
						D	Aluminum 2-cavity / IP67
						G	Stainless steel, 316L / IP67
cable inlet
							M	Cable Enclosure M20 * 1.5
							N	Thread, NPT 1 / 2
Field display and button pressing
								A	belt
								X	not take
Cable (rod) long
									L	5 digits (unit: mm), less than 1 meter as 1 meter

HLR25 Guide wave radar bit meter
certification
	P		Non-explosion-proof
	A		Ex ia IIC T1-T6 Ga - No supply for the time being
	B		Ex d ia [ia Ga] IIC T1～T6 Gb - No supply for the time being
Antenna type / material
		A	Stick-type / stainless steel 316L / ceramic
		B	Cable-type / stainless steel 316L / ceramic
Process Connections / Material
			GP	Special customization
			KP	Thread NPT1 1 / 2
			NP	Thread, G / 2A
			YP	Bar G1 1 / 2A
Power supply and output
				B	4-20 mA / HART two-wire system (single chamber)
				C	4 ~ 20 mA / (22.8~26.4) VDC / HART four-wire system (two chambers)
				D	(198-242) VAC / HART four-wire system (two chambers)
				E	4-20 mA / (22.8~26.4) VDC / HART two-line system (two chambers)
				X	Special customization
Enclosure / protection grade
					A	Aluminum / IP67
					B	Plastic / IP66
					D	Aluminum 2-cavity / IP67
					G	Stainless steel, 316L / IP67
Process temperature / pressure
						A	(-200~400) ℃ / (vacuum ~4) Mpa
						B	(-200~400) ℃ / (vacuum ~40) Mpa
cable inlet
							M	Cable Enclosure M20 * 1.5
							N	Thread, NPT 1 / 2
Field display and button pressing
								A	not take
								X	belt
Cable (rod) long
									L	5 digits (unit: mm), less than 1 meter as 1 meter