技術特性
| 水量計界定 Meter Designation (N) | 1.5 | 2.5 | 3.5 | 10 |
| 口徑 Nominal Size (mm) | 13 | 20 | 25 | 40 |
| 度量等級 Accuracy Class | B | B | B | B |
| 標稱壓力 Nominal Pressure (MPa) | 1 | 1 | 1 | 1 |
| 常設流量 Permanent Flow-rate (m3/h) | 1.5 | 2.5 | 3.5 | 10 |
| 超載流量 Overload Flow-rate (m3/h) | 3 | 5 | 7 | 20 |
| 分界流量 Transitional Flow-rate (m3/h) | 0.12 | 0.2 | 0.28 | 0.8 |
| 最小流量 Minimum Flow-rate (m3/h) | 0.03 | 0.05 | 0.07 | 0.2 |
| 起動流量 Starting Flow (m3/h) | 0.010 | 0.015 | 0.020 | 0.040 |
| 最大讀值 Max. Reading (m3) | 9999 | 9999 | 9999 | 999999 |
| 最小讀值 Min. Reading (m3) | 0.0001 | 0.0001 | 0.0001 | 0.0005 |