China Nb- Iot Communication Wireless ISO4064 Standard Environment Friend Brass Material Ultrasonic Water Meter, Find details about China Ultrasonic Water Meter, MID Water Meter from Nb- Iot Communication Wireless ISO4064 Standard Environment Friend Brass Material Ultrasonic Water Meter
Diameter | DN15 | DN20 | DN25 | ||
Length | 165mm | 195mm | 225mm | ||
Q3(m³/h) | 2.5 | 4 | 6.3 | ||
Start Flow(L/h) | 2 | 2 | 3 | ||
Meteorologic Class | Q3/Q1=100,125,160,200,250,400,500,630,800; | ||||
Accuracy Class | Class 2 | ||||
Pressure Stage | MAP16 | Pressure Loss | △p40 | ||
Temperature | T30,T50,T70;Default T30 | ||||
Data Storage | 1 year of daily data storage,24 months history data;(Customizable data storage mode according to customer requirements) | ||||
Power outage protection | After a power failure, the accumulated flow rate recorded before the power failure and the corresponding time can be saved, and the metering function will be automatically restored after the power is restored. | ||||
Transmission Method | Infrared,M-BUS,RS485,NB-IOT,LORA,LORAWAN,Sigfox,Pulse;(Optional) | ||||
Power | DC3.6V Lithium Battery | ||||
Protection Class | IP68 | ||||
Environmental Requirement | Temperature:-15°C~+55°C,Ambient relative humidity:<90% | ||||
Installation | Horizontal or Vertical | ||||
Durability | Life Period ≥ 6 years |