We has been providing a wide range of quality products, service and support to the application areas of superhard industry We fully integrate the resources of the superhard
Using the world's most advanced Internet of Things technology, it has the advantages of deep network coverage, wide link, low power consumption and low cost.
1.wireless communication:
4G for high-speed data or NB-IoT for wide coverage, compatible worldwide.2.Ultra-Long Lifespan:
≥6 years with lithium battery and optimized power efficiency.3.Real-Time Monitoring:
Track flow, pressure, temperature, with instant leak/abnormality alerts.4.Extreme Resilience:
Operates in -30℃~70℃ with IP68 rating for harsh conditions.5.Secure & Reliable:
AES-256 encryption, 7-day offline data storage, auto-sync recovery.1.Residential & Apartments
2.Hotels & Retail Stores
3.Schools & Public Facilities
4.Old Community Renovation
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project |
parameter |
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bore (DN) |
15mm |
20mm |
25mm |
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Overload flow (Q4) |
3.125 m³/h |
5 m³/h |
7.875 m³/h |
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Common flow (Q3) |
2.5 m³/h |
4 m³/h |
6.3 m³/h |
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Boundary flow (Q2) |
0.05 m³/h |
0.08 m³/h |
0.126 m³/h |
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Minimum flow (Q1) |
0.0313 m³/h |
0.05 m³/h |
0.0788 m³/h |
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Measurement range (Q3/Q1) |
100 |
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measurement unit |
0.1 m³ |
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least count |
0.001 m³ |
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full-scale reading |
99999 m³ |
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working temperature |
Cold water meter: 0.1℃~30℃; hot water meter: 0.1℃~90℃ |
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Allow water pressure |
0.03 MPa～1MPa |
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Loss rating |
△p63 |
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Flow profile sensitivity level |
U10,D5 |
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Climate and mechanical environment safety level |
B class |
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Electromagnetic compatibility rating |
E1 |
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levels of protection |
IP68 |
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transmission parameter |
protocol |
Standard LoRaWAN communication protocol |
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Working frequency band |
B3、B5、B8、B20 |
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transmitting power |
23dBm |
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receiving sensitivity |
-131±1dBm |
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quiescent current |
＜11μA |
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Communication working current |
＜130mA |
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