The electronic remote-transmission valve-controlled water meter is a mechatronic high-tech product. It adopts advanced wireless transmission technology and uses a microelectronic control circuit to convert and store the metering information of traditional mechanical water meters into electrical signals. Metering data can be automatically collected via a wireless remote network, or collected by a wireless meter reading device and then transmitted to the backend system.
| Meter Code | Nominal Diameter DN (mm) | Metering Characteristic | Overload Flow Q4 (m³/h) | Rated Flow Q3 (m³/h) | Transitional Flow Q2 (m³/h) | Minimum Flow Q1 (m³/h) |
| – | 15 | R80 | 3.125 | 2.5 | 0.05 | 0.031 |
| – | 20 | R80 | 5.0 | 4.0 | 0.08 | 0.05 |
| – | 25 | R80 | 7.875 | 6.3 | 0.126 | 0.079 |
| Parameter | Specification |
| Power Supply | 2.1V-3.6V |
| Operating Frequency | 488-510MHz |
| Transmission Power | 50mW |
| Receiver Sensitivity | -132dBm |
| Sleep Current | 2.5μA |
| Average Current | 18μA |
| Transmission Distance | 1500m (5Kbps, open-area line-of-sight distance) |
| Routing Levels | 8 levels |
| Operating Temperature | -20℃-70℃ |
![]() |
![]() |
| Diameter (mm) | Length L (mm) | Length L1 (mm) | Width B (mm) | Height H1 (mm) | Height H2 (mm) | Height H3 (mm) | Connecting Thread d | Connecting Thread D |
| 15 | 258 | 165 | 90 | 120 | 200 | 165 | R1/2 | G3/4 |
| 20 | 299 | 195 | 90 | 120 | 200 | 165 | R3/4 | G1 |
| 25 | 345 | 225 | 90 | 120 | 200 | 165 | R1 | G1 1/4 |















