The 1/2″ LoRaWAN Ultrasonic Water Meter with Valve Controller is a new type of water meter that detects the time difference caused by changes in the speed of the ultrasonic beam as it propagates with and against the current in the water. It analyzes the flow rate of the treated water and calculates its volume. It has no internal moving parts, no current-blocking elements, and is resistant to water impurities, resulting in a long service life.
FIS Costa Rica offers a total solution for you, which includes an ultrasonic water meter, a gateway/concentrator, and management software.
- The valve is integrated, fully enclosed, and anti-destructive.
- With self-diagnostic function: flow sensor failure alarm, temperature sensor failure alarm, over-range measurement alarm, low battery voltage alarm, valve failure alarm
- By applying a patented flow measurement method and intelligent data error correction technology, high measurement accuracy and stability are achieved.
- The combination of lithium battery and SPC can meet the current demand during valve operation.
- Equipped with a photoelectric interface, it supports on-site reading of the portable infrared meter reading tool.
- Optional for wired communication (M-BUS or RS485) or wireless communication (LoRaWAN/NB-IoT)
Operating and supply conditions of the LoRaWAN ultrasonic water meter and valve controller
- 1. Size: DN15~DN200
- 2. Wide range ratio, R=250, R=400
- 3. Wireless remote technology: LoRa/ LoRaWAN /NB-IoT/GPRS
- 4. Wired remote technology: RS-485 and MBus
- 5. Low initial flow (up to 0.0015 m³/h)
- 6. Local storage of water measurement data history.
- 7. The real-time Hall counter accumulates flow.
- 8. You can choose between battery power and an external power supply.
- 9. Low battery capacity alarm, valve failure alarm.
- 10. Screen content: current reading, electrical quantity, balance, valve status.
- 11. Infrared configuration: configuration/reading of infrared meter parameters.
Presentation features
- The battery can operate continuously for more than 8 years.
- No moving mechanical parts, no wear, long service life.
- IP68 protection design, which can operate in water for a long time.
- High stability and can operate at any flow point for an extended time without magnetic interference.
Technical
| DN( mm) | 15 | 20 | 25 | 32 | 40 |
| Initial flow (m³/h) | 0.002 | 0.004 | 0.006 | 0.01 | 0.025 |
| Qs (overload flow) (m³/h) | 3.125 | 5 | 7.875 | 12.5 | 20 |
| Qp (permanent flow) (m³/h) | 2.5 | 4 | 6.3 | 10 | sixteen |
| Qt (transition flow rate) (m³/h) | 0.016 | 0.025 | 0.040 | 0.064 | 0.100 |
| Qmin (minimum flow rate) (m³/h) | 0.010 | 0.016 | 0.025 | 0.040 | 0.064 |
| R= Qp / Qm (flow rate) (m³/h) | 250 | ||||
| Minimum instantaneous flow reading (m³/h) | 0.001 | ||||
| Maximum instantaneous flow reading (m³/h) | 99.999 | ||||
| Cumulative peak flow reading | 99999.999 | ||||
Parameters
| Body materials | Brass |
| Maximum permissible working pressure | 1.6MPa |
| Degree of sensitivity of the flow profile | U10 D5 |
| Water temperature | T30/T90 |
| Pressure loss | △ p10/ △ p16/ △ p25/ △ p63 |
| Electromagnetic environment class | E1 |
| Operating temperature | -20-70℃ |
| Protection class | IP68 |
| Screen visualizations | Displays the cumulative flow (m³,L) |
| instantaneous flow (m³/h, L/min) | |
| electricity alarm, water flow direction | |
| Output mode, etc. |
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