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										Hydrostatic level transmitter; For water, oil or corrosive liquid level measurement; Range: 0-100 m level; 4-20mA,HART ,Modbus;

| LevelRange: 0-4m, Blankdistance : 0.20m 0-6m, Blankdistance : 0.25m 0-8m, Blankdistance : 0.30m 0-12m, Blankdistance : 0.50m 0-20m, Blankdistance : 0.80m 0-30m, Blankdistance : 1.20m 0-40m,Blankdistance : 1.5 m Accuracy: 0.2% of span Output: 4-20mA Output Load: 0-500Ω | 
					 | Display: 4 Digits LCD(All types have displays) Temperature compensations: Automatic PressureRating: 0.1Mpa Cable Gland: PG13.5 Beam Angle: 8°, 5°(3db) SensorMaterial: ABS &PVC or PTFE Protection level: IP67 Installation: Thread, Flange,Bracket Parameter setting: 3 Induction buttons Temperature Range :-40 ~75℃,HLT1 -20 ~75℃ Sampling time: 1second (adjustable) | 
| Type | HLT, 2-wire, | HLN,3-wire | HLU,4-wire, | HLT1,2-wire*2 | 
| Construction | Compact | Compact | Compact | Compact | 
| Power | DC20-32V, ≥30mA | DC20-32V, ≥60mA | DC20-32V,≥60mA;AC85-265V≥50mA | DC21-27V,≥35mA | 
| Explosion Proof | No | Yes,Exia IICT6 | ||
| Housing Material | ABS orAluminum | Aluminum | ||
| Relay | No | 2 (High &Low)*1 | NO | |
| Display | With integral display | |||
| Type | HLR,RS485, | HLF Standard | HLM Functions | 
| Construction | Compact | Remote | Remote | 
| Power | DC24(±10%),≥60mA | DC24(±10%),0.1A;AC85-265V,≥50mA | |
| Housing Material | ABS orAluminum | ABS | ABS | 
| Relay | No | 2 (High &Low) *1 | 2,4,6 Relays | 
| Communication | RS485,Modbus | RS485 option | RS485/Hart | 
| Display | With integral display | With Remote Display | |
| Type | HLVT | HLVT-T | HLVR | 
| Construction | Compact | Compact | Compact | 
| Power | DC24(±10%),≥30mA | DC3.5-5V,DC9-12V,DC20-32V | |
| Relay | No | ||
| Communication | No | Blue Tooth | RS485 MODBUS RTU | 
| Display | No display | ||
| Item | Code | Specifications | 
| General | HL | HL Ultrasonic Level meter | 
| Types | T | 2-wire series, compact display version | 
| N | 3-wire series, compact display version | |
| R | RS485 series, compact display version | |
| U | 4-wire series, compact display version | |
| T1 | ExiaIICT6,2-wire series, intrinsically safe explosion-proof | |
| F | Standard series, remotedisplayversion, standard 10m cable | |
| M | Multi-functional, remote display version, standard 10m cable | |
| VT | 2-wire series, no display,24V DC,4-20Ma,cable 10m | |
| VT-T | 2-wire series, no display,24V DC,Blue tooth config.cable10m*1 | |
| VR | 4-wire,no display,RS486,modbus RTU, cable 10m *2 | |
| Range | 04 | 0-4m | 
| 06 | 0-6m | |
| 08 | 0-8m | |
| 12 | 0-12m | |
| 20 | 0-20m | |
| 30 | 0-30m | |
| 40 | 0-40m | |
| HousingColors &Material | P | Plastic(all) | 
| G | Aluminum, green color(only for HLT, HLN, HLR series) | |
| B | Aluminum, blue color(for all compact series except HLR series) | |
| K | Aluminum, blue & gray(only for HLT series) | |
| V | Aluminum, white(only for HLT series) | |
| Wet part Material | S | ABS&PVC ((Simple anti-corrosion) | 
| F | PTFE(Strict anti-corrosion) | |
| Processconnection | 2 | G2 screw (only for the range less than 8m) | 
| 3 | DN50 flange (only for the range less than 6m) | |
| 4 | DN65 flange (only for the range less than 8m) | |
| 5 | DN80 flange (only for the range less than 12m) | |
| 6 | DN100 flange(all) | |
| 7 | DN150 flange(all) | |
| 8 | DN200 flange(all) | |
| Output | C0 | 4-20mA(All) | 
| C2 | RS485-Modbus protocol(only for HLR,HLVR and remote series) | |
| C3 | RS485-Profibus-DP protocol(only for HLM series) | |
| C4 | Hart protocol (only for HLU,HLM series) | |
| Switch Output | 0 | None | 
| 2 | 2 SPDT (only for HLU HLF HLM HLG series) | |
| 4 | 4 SPDT(only for HLM series) | |
| 6 | 6 SPDT (only for HLM series) | |
| Power supply | D | DC24V | 
| A | AC220V | 
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