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| Items | Parameters |
| Executive standard | ISO4064-2014、GB/T32224-2020 |
| Measurable fluid | Hot & Cold Water,Liquid full of pipeline |
| Fluid temperature | ＜DN50: 4-90℃; ≥DN50: 4-130℃ |
| Temperature range | 0-85K; |
| Temperature error | +/-0.1℃； |
| Bearable pressure | 1.6MPa, 2.5MPa alternatives |
| Temperature sensor type | PT1000, DIN/IEC751B |
| Display resolution | Heat 0.1kwh, total flow 0.001m³, temperature 0.01℃， temperature error 0.01K. |
| Climate and mechanical environment | A,B,C,D |
| Electromagnetism compatibility grade | E2 Class |
| Communication interface | RS485/USART/infrared interface, M-BUS alternatives;NB-lot wireless transmission |
| Output signal | OCT alternatives |
| Power supply | 2 Built-in lithium batteries/external DC8-24V power supply |
| Protection grade | IP68 |
| Local display |
Screen with duplicate rows: 9 digital accumulate flow display,6 digital instantaneous flow display, arious condition prompt symbols and units. |
| Data storage | Ferroelectric storage parameters usage, recording accumulate flow of 32moths and 31days before automatically |
| Flow measurement cycle | Measurement condition: 1time/2second(settable); Authentication condition: 4times/second |
| Power consumption | Standard condition < 30uA, working over 20 years constantly |
| Materials | Measuring pipe: carbon steel(stainless steel for sensor); sensor: PEEK; protection cover:nylon plus glass fiber |
