| minal diameter | DN32 | DN50 | DN80 | DN100 | DN125 | DN150 | |
| Measuring range (m3/h) | 3~65 | 8~160 | 12~240 | 20~400 | 30~600 | 40~800 | |
| Interface mode | 1" 1/4 | 2" | Convex flange | ||||
| Accuracy level | 1.5 grade | ||||||
| Maximum working pressure | 200kPa | ||||||
| Operating temperature | (-10~40)℃ | ||||||
| environment humidity | ≤99% | ||||||
| CH4 measurement | Range: (30~100)%; Accuracy: ±5%FS | ||||||
| Power supply | External power supply: safety barrier Ui=5V, Ii=100mA (main power supply); built-in battery: 3.6V LS26500 (backup power supply) | ||||||
| Signal output | RS485 | ||||||
| Explosion-proof grade | ExibIIAT4 Gb | ||||||
| Protection level | IP65 | ||||||
