



                                    NB IOT Water Meter
NB IOT water meter is a kind of intelligent water meter which can be read remotely and controlled by valve. It communicates with the server directly through the narrow band Internet of things (nb-iot).
NB-IoT water meter system solution
NB IOT water meter has a wide range of applications, including residential buildings, public utilities, apartments, and areas with inconvenient transportation.
Supply Conditions:
- Supply Size:DN15~DN200
 - Body Material: Brass
 - Basis meter type:Multi-jet /Ultrasonic water meter
 - R: 80/100/160(optional)
 - Max.work pressure: 1.0MPa
 - Protection class:IP68
 - Communication:Narrow band(LTE Cat.NB)
 - Frequency: B3(1800),B5(850),B8(900)
 - Battery capacity: more than 6 years
 - Pressure loss: ≤ 0.063mpa
 - SIM card:Micro SIM card(Type 3FF)
 - Software: B/S Cloudy serve platform
 - Software payment: Supply for free
 - Composition:NB-Iot water meter, Base station, Serve Platform
 
Characteristics
- LCD display shows balance, dosage, surplus and other information.
 - Automatic meter reading.
 - Steep water price can be set.
 - The computer can control the valve remotely
 - Battery under voltage, abnormal measurement, etc., can be remote alarm
 - Power supply guarantee more than 6 + 1 years
 
Main technical data
Qm=Minimum flow,Qt=Transitional flow,Qp=Permanent flow,Qs=Overload flow,R=Qp/Qm| DN (mm) | Qp/Qm | Qs | Qp | Qt | Qm | Starting flow | Mini reading | Max reading | 
| M3/h | L/h | M3 | ||||||
| 15 | 80 | 3.125 | 2.5 | 50 | 31.25 | 6 | 0.0001 | 9999 | 
| 20 | 80 | 5 | 4 | 80 | 50 | 6 | 0.0001 | 9999 | 
| 25 | 80 | 7.875 | 6.3 | 130 | 80 | 6 | 0.0001 | 9999 | 
Parameters
| Operating Voltage | DC2.7V-3.6V | 
| Quiescent Current | ≤8uA | 
| Transmit current | ≤130mA | 
| Transmit power | 23dBm±2dB | 
| Communication method | NB-IOT | 
| Drive valve current | 200mA | 
| Working environment | 0℃-55℃ | 
| Humidity | ≤95%RH | 
Inquiry
Please Feel free to give your inquiry in the form below.we will reply you in 24 hours.
