Ultrasonic Level Transmitter Manufacturer

Ultrasonic Level Transmitter

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The ultrasonic level transmitter is a kind of digital level measuring instrument controlled by microprocessor. Based on non-contact measuring principle, it is compatible with almost all types of mediums. If you are looking for a level measurement solution for liquid and solid materials, the ultrasonic level transmitter is your best choice.

Our HGUL series ultrasonic level meter is available in two-wire, three-wire and four-wire versions.

Two-wire ultrasonic level transmitter: power supply system and signal output system share the two wires

Three-wire ultrasonic level transmitter: independent power supply loop and signal output loop. When powered by 24VDC system, a 3-core cable can be used, and the negative terminals of power supply system and signal output system will share the same cable core.

Four-wire ultrasonic level transmitter: When powered by 220VAC system or by 24VDC system with completely isolated power supply loop and signal output loop, a 4-core cable shall be used. Whether it is DC or AC power supply, the output is 4~20mADC. High and low switch-outputs are available.

Measuring Range: 0-50m

The ultrasonic level transmitter is built for challenging corrosive mediums and various chemicals. The highly accurate sensor is controlled by PLC system and supports 4-20mA signal output.

Model Selection

Technical Specifications of Ultrasonic Level Transmitters
1. Integrate Type

Measuring range (meter)	0.2-4, 0.25-6, 0.3-8, 0.4-10, 0.6-15, 1.2-20, 1.4-30, 1.6-40	0.2-4, 0.25-6, 0.3-8, 0.4-10, 0.6-15, 1.2-20, 1.4-30, 1.6-40	0.2-4, 0.4-4, 0.3-8, 0.45-8
Accuracy	0.2%FS	0.2%FS	0.2%FS
Current output	4-20mA	4-20mA	4-20mA
Output load	0-500Ω	0-500Ω	0-600Ω
Display	LCD 4-digit	LCD 4-digit	LCD 4-digit
Power supply	DC20-32V ≥30mA	DC20-32V ≥30mA	DC21-27V ≥35mA
Temperature Compensation	Whole-range compensation	Whole-range compensation	Whole-range compensation
Media Temp.	-45 ℃ ~ 85 ℃	-45 ℃ ~ 85 ℃	-20 ℃ ~ 75 ℃
Pressure range	±0.1Mpa	±0.1Mpa	±0.1Mpa
Beam Angle	8°, 5°(3db)	8°, 5°(3db)	8°(3db)
Measure cycle	1 second	1 second	1 ~ 20 seconds
Parameter setting	3 buttons	3 buttons	3 buttons
Cable fixing	PG 13.5 cable gland	PG 13.5 cable gland	PG 13.5 cable gland
Housing material	ABS	Die cast aluminum	Cast aluminum with powder coating
Sensor material	PVC or PTFE	PVC or PTFE	PVC or PTFE with metal sleeve
Protection grade	IP67	IP67	IP67
Explosion-proof	NA	NA	Ex( ia ) IICT6
Mounting	Thread, Flanged, or Bracket	Thread, Flanged, or Bracket	Thread, Flanged

2. 3-wire Series

Measuring range (meter)	0.2-4, 0.25-6, 0.3-8, 0.4-10, 0.6-15, 1.2-20, 1.4-30, 1.6-40	0.2-4, 0.25-6, 0.3-8, 0.4-10, 0.6-15, 1.2-20, 1.4-30, 1.6-40	0.2-4, 0.4-4, 0.3-8, 0.45-8
Accuracy	0.2%FS	0.2%FS	0.2%FS
Current output	4-20mA	4-20mA	4-20mA
Output load	0-500Ω	0-500Ω	0-600Ω
Display	LCD 4-digit	LCD 4-digit	LCD 4-digit
Power supply	DC20-32V ≥30mA	DC20-32V ≥30mA	DC21-27V ≥35mA
Temperature Compensation	Whole-range compensation	Whole-range compensation	Whole-range compensation
Media Temp.	-45 ℃~ 85 ℃	-45 ℃~ 85 ℃	-20 ℃~ 75 ℃
Pressure range	±0.1Mpa	±0.1Mpa	±0.1Mpa
Beam Angle	8°, 5°(3db)	8°, 5°(3db)	8°(3db)
Measure cycle	1 second	1 second	1~ 20 seconds
Parameter setting	3 buttons	3 buttons	3 buttons
Cable fixing	PG 13.5 cable gland	PG 13.5 cable gland	PG 13.5 cable gland
Housing material	ABS	Die cast aluminum	Cast aluminum with powder coating
Sensor material	PVC or PTFE	PVC or PTFE	PVC or PTFE with metal sleeve
Protection grade	IP67	IP67	IP67
Explosion-proof	NA	NA	Ex( ia ) IICT6
Mounting	Thread, Flanged, or Bracket	Thread, Flanged, or Bracket	Thread, Flanged

3. 4-wire Series

Measuring range (meter)	0.2-4, 0.25-6, 0.3-8, 0.4-12, 0.6-15, 1.2-20, 1.4-30, 1.6-40	0.2-4, 0.25-6, 0.3-8, 0.4-12, 0.6-15, 1.2-20, 1.4-30, 1.6-40
Accuracy	0.2%FS	0.2%FS
Current output	4-20mA (optional: with Hart protocol)	4-20mA (optional: with Hart protocol)
Output load	0-500Ω	0-500Ω
Relay output	Up-limit and low-limit (total 2 relay output normally open contact)	Up-limit and low-limit (total 2 relay output normally open contact)
Relay Spec.	5A 250VAC / 30VDC	5A 250VAC / 30VDC
Display	LCD 4-digit	LCD 4-digit
Power supply	DC20-32V ≥60mA or AC85-265V ≥50mA	DC20-32V ≥60mA or AC85-265V ≥50mA
Temperature compensation	Whole-range compensation	Whole-range compensation
Media Temp.	-45 ℃~ 85 ℃	-45 ℃~ 85 ℃
Pressure range	±0.1Mpa	±0.1Mpa
Beam Angle	8°, 5°(3db)	8°, 5°(3db)
Measure cycle	1 second	1 second
Parameter setting	3 buttons	3 buttons
Cable fixing	PG 13.5 cable gland	PG 13.5 cable gland
Housing material	ABS	Die cast aluminum
Sensor material	PVC or PTFE	PVC or PTFE
Protection grade	IP67	IP67
Explosion-proof	NA	NA
Mounting	Thread, Flanged, or Bracket	Thread, Flanged, or Bracket

4. RS485/Modbus Communication Series

Measuring range (meter)	0.2-4, 0.25-6, 0.3-8, 0.4-10, 0.6-15, 1.2-20, 1.4-30, 1.6-40	0.2-4, 0.25-6, 0.3-8, 0.4-10, 0.6-15, 1.2-20, 1.4-30, 1.6-40
Accuracy	0.2%FS	0.2%FS
Current output	4-20mA	4-20mA
Output load	0-500Ω	0-500Ω
Communication	RS485 ( Modbus protocol)	RS485 ( Modbus protocol)
Baud rate	19200 / 9600 / 4800	19200 / 9600 / 4800
Display	LCD 4-digit	LCD 4-digit
Power supply	DC20-32V ≥60mA	DC20-32V ≥60mA
Temperature compensation	Whole-range compensation	Whole-range compensation
Media Temp.	-45 ℃~ 85 ℃	-45 ℃~ 85 ℃
Pressure range	±0.1Mpa	±0.1Mpa
Beam Angle	8°, 5°(3db)	8°, 5°(3db)
Measure cycle	1 second	1 second
Parameter setting	3 buttons	3 buttons
Cable fixing	PG 13.5 cable gland	PG 13.5 cable gland
Housing material	ABS	Die cast aluminum
Sensor material	PVC or PTFE	PVC or PTFE
Protection grade	IP67	IP67
Explosion-proof	NA	NA
Mounting	Thread, Flanged, or Bracket	Thread, Flanged, or Bracket