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Technical Parameter
1. Flow range
| Nominal diameter | DN(mm) | Q3 | m3h | ||
| 15 | 2.5 | 100 | 80 | 63 | 1.6 |
| 20 | 4 | 100 | 80 | 63 | 1.6 |
| 25 | 4 | 100 | 80 | 63 | 1.6 |
Q3/ Q1
Q1/ Q2
2. Indication error
The maximum allowable error of the water meter in the high zone (Q2 ≤ Q ≤ Q4) is ± 2% within the range of water temperature from 0.1 ℃ to 30 ℃,
The low zone (Q1 ≤ Q ≤ Q2) is ± 5%.
3. Operating temperature: 0.1-30 ℃
4. Maximum working pressure: 1.0Mpa
5. Pressure loss: ≤ 0.063Mpa
6. Working voltage: 3.6V
| 7. Static working current: ≤ 10 μ A | Installation size: | Nominal diameter | DN（mm） | Long L | Width B | |
| High H | High H1 | Connecting thread | ||||
| 15 | 185 | 94 | 263 | 170 | mm | d |
| 20 | 185 | 94 | 273 | 170 | D | R1/2B |
| 25 | 185 | 94 | 283 | 170 | G3/4B | R3/4B |
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