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| Size & Process Connection |
Thread connection: DN4, 6, 10, 15, 20, 25, 32, 40, 50, 65, 80, 100; Flange connection: DN15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 200; Clamp connection: DN4, 6, 10, 15, 20, 25, 32, 40, 50, 65, 80; |
| Accuracy / Range Ratio | ±0.5%R; 1:10; 1:15; 1:20 |
| Sensor Material | SS304, SS316L |
| Ambient Conditions | Medium temperature: -20°C ~ +120°C; Atmospheric pressure: 86Kpa ~ 106Kpa Ambient temperature: -20°C ~ +60°C; Relative humidity: 5% ~ 90% |
| Output | Pulse, 4-20mA, RS485 communication, HART protocol |
| Power Supply | A: +24VDC, for 4-20mA, pulse, RS485 output B: 3.6V lithium battery, battery voltage: 2.0V ~ 3.0V |
| Electrical Connector | Standard: 3-core wire cable; Explosion-proof: M20*1.5 |
| Explosion-proof Class | ExiaIICT4 or ExdIIBT6 |
| Protection Class | IP65 or higher (customized) |

| Diameter (mm) | Standard Range (m³/h) | Extended Range (m³/h) | Connection Standard (Optional) | Standard Pressure (MPa) | Customized Pressure (MPa) |
|---|---|---|---|---|---|
| DN4 | 0.04~0.25 | 0.04~0.4 | Thread | 6.3 | 12, 16, 25 |
| DN6 | 0.1~0.6 | 0.06~0.6 | Thread | 6.3 | 12, 16, 25 |
| DN10 | 0.2~1.2 | 0.15~1.5 | Thread | 6.3 | 12, 16, 25 |
| DN15 | 0.6~6 | 0.4~8 | Thread (Flange) | 6.3, 2.5 (Flange) | 4.0, 6.3, 12, 16, 25 |
| DN20 | 0.8~8 | 0.45~9 | Thread (Flange) | 6.3, 2.5 (Flange) | 4.0, 6.3, 12, 16, 25 |
| DN25 | 1~10 | 0.5~10 | Thread (Flange) | 6.3, 2.5 (Flange) | 4.0, 6.3, 12, 16, 25 |
| DN32 | 1.5~15 | 0.8~15 | Flange (Thread) | 6.3, 2.5 (Flange) | 4.0, 6.3, 12, 16, 25 |
| DN40 | 2~20 | 1~20 | Flange (Thread) | 6.3, 2.5 (Flange) | 4.0, 6.3, 12, 16, 25 |
| DN50 | 4~40 | 2~40 | Flange (Thread) | 2.5 | 4.0, 6.3, 12, 16, 25 |
| DN65 | 7~70 | 4~70 | Flange | 2.5 | 4.0, 6.3, 12, 16, 25 |
| DN80 | 10~100 | 5~100 | Flange | 2.5 | 4.0, 6.3, 12, 16, 25 |
| DN100 | 20~200 | 10~200 | Flange | 1.6 | 4.0, 6.3, 12, 16, 25 |
| DN125 | 25~250 | 13~250 | Flange | 1.6 | 2.5, 4.0, 6.3, 12, 16 |
| DN150 | 30~300 | 15~300 | Flange | 1.6 | 2.5, 4.0, 6.3, 12, 16 |
| DN200 | 80~800 | 40~800 | Flange | 1.6 | 2.5, 4.0, 6.3, 12, 16 |



| Model Selection Structure (LWGY-) | Description | |
|---|---|---|
| Diameter | Three Digits | For example: 010 (10 mm), 015 (15 mm), 080 (80 mm), 100 (100 mm) |
| Converter | N | No display; 24V DC; Pulse Output |
| A | No display; 24V DC; 4-20mA Output | |
| B | Local display; Lithium Battery Power; No output | |
| C | Local display; 24V DC Power; 4-20mA Output; Optional backup power: Lithium Battery | |
| C1 | Local display; 24V DC Power; 4-20mA Output; Modbus RS485 Communication; Optional backup power: Lithium Battery | |
| C2 | Local display; 24V DC Power; 4-20mA Output; HART Communication; Optional backup power: Lithium Battery | |
| Accuracy | 10 | 1.0% of Rate |
| 05 | 0.5% of Rate | |
| Flow Range | S | Standard Range (refer to flow range table) |
| W | Wide Range (refer to flow range table) | |
| Body Material | S | SS304 |
| L | SS316 | |
| Explosion Rating | N | Safety Field without Explosion |
| E | ExdIIBT6 | |
| Pressure Rating | N | Per Standard |
| H(x) | Customized Pressure Rating | |
| Connection | -DXX | DIN Standard: D06 (DIN PN6), D10 (DIN PN10), D16 (DIN PN16), D25 (DIN PN25), D40 (DIN PN40) |
| -AX | ANSI Standard: A1 (ANSI 150#), A3 (ANSI 300#), A6 (ANSI 600#) | |
| -JX | JIS Standard: J1 (JIS 10K), J2 (JIS 20K), J4 (JIS 40K) | |
| -TH | Thread: DN4...DN100 | |
| -Tr | Tri-clamp, sanitary structure | |
| Fluid Temperature | -T1 | -20...+80°C |
| -T2 | -20...+120°C | |

