Wuhan Time Wave Network Technology Co., Ltd.
Provide you with one-stop LPWAN energy regulation solutions and services.
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Large Calibre LoRaWAN Intelligent Wireless Remote Wifi Enabled Water Meter for Water Consumption Management
LoRaWAN IoT water meter is composed of water meter base meter, electric ball valve (valve control), magnetoresistive sensor, MCU,
wireless communication module, control circuit and other components. Mechanical and electrical separation structure design. High capacity lithium sub battery pack is used for power supply. It provides long-term stable energy guarantee for data acquisition, valve control and wireless data transmission. LoRaWAN wireless communication module is adopted. Through the spread spectrum communication technology, the user water data is actively uploaded (once a day by default) to the LoRa WAN gateway. The gateway will upload to the system data service center through LTE 4G network or Ethernet. The system has the advantages of long communication distance, large capacity, fast andconvenient installation, long service life, etc.
1. Split structure: The electronic unit is independent from the base table.
| Flow characteristics | Comply with GB/T 778.1~3-2007 standard. Accuracy Class: Class 2 | ||
| Nominal caliber (mm) | 15 | 20 | 25 |
| Overload flow Q4(m3 /h) | 3.1 | 5.0 | 7.8 |
| Commonly used flow Q3(m3 /h) | 2.5 | 4.0 | 6.3 |
| Maximum allowable error | high area (Q2≤Q≤Q4) is ± 2%, the low area (Q1≤Q<Q2) is ± 5% | ||
| R=Q3/Q1 | 100 (Dry Type) | Quiescent current | <10uA | |
| Range ratio | Q2/Q1=1.6 Q4/Q3=1.25 | Communication current | Data collection and generating currents <50mA, and peak current <100mA | |
| Pressure loss level | △ p≤0.063MPa | |||
| Maximum allowable water pressure | ≤1.2MPa | Operating environment | 0~ +45℃ (cold water),0~95%RH 0~ +90℃ (hot water),0~95%RH | |
| Temperature grade | Cold:T30 Hot:T90 | |||
| Communication mode | LoRaWAN:CN470,RU864,IN865, EU868,US/AU915,KR920,AS923_ 1/2/3/4,Custom Channels | Oprating voltage | 2.7 ～ 3.6 V |
Under normal conditions, the water meter will automatically go online once a day (settable). Upload the water meter data to the system platform through wireless communication. At the same time, receive and execute the relevant instructions of the system platform (parameter setting, valve control, etc.).
Touch key:
When the water meter is dormant, touch the key area with your finger. The red status light flashes once (in the infrared interface area), and the water meter is awakened manually and in the infrared communication state.
If you touch the key continuously (3 seconds), the red indicator will flash twice continuously. At this time, the water meter will go online immediately (connect to the platform), upload the current data to the system platform and receive the instructions from the platform. In the process of uploading data from the water meter, the red indicator will also flash for several consecutive times.
After the water meter data is uploaded, it will immediately enter the sleep state (low power consumption mode).