Products Description
No Moving Parts, high accuracy for years long. No moving components in the flow sensor, avoid long-term abrasion of mechanical parts which may result in inaccuracy measurement and failure of the meter. Such design is also resistant to impurities, therefore no inspections and maintenance are cost-free.
Ultrasonic Water Meter 4G/NB-IoT Wireless Remote Transmission
Ultrasonic water meter 4G/NB-IoT wireless remote transmission is a smart water meter that integrates flow measurement and 4G/NB-IoT wireless remote transmission functions. This series of water meters have high precision, wide range ratio, stable performance, protection grade IP68, stable and reliable performance, supports standard communication protocols such as Lora/Lorawan/ rs485/ MODBUS, and is suitable for remote online monitoring systems for water resources tax and intelligent water intake for machine wells Metering, water supply network zonal metering and leakage management systems, etc., to realize the information and digitization of pipeline flow.
Outline Dimension Drawing
|
Nominal Diameter |
Length L |
Length L1 |
Width B |
High H |
Connecting Thread |
|
|
mm |
d |
D |
||||
|
15 |
165 |
260 |
95 |
86 |
R |
G/B |
|
20 |
195 |
300 |
95 |
86 |
R |
G1/B |
|
25 |
225 |
346 |
95 |
89 |
R1 |
G1/B |
|
32 |
180 |
305 |
95 |
100 |
R1 |
G1/B |
|
40 |
200 |
330 |
95 |
120 |
R1 |
G1/B |
Technical Parameter
|
Nominal diameter (mm) |
15 |
20 |
25 |
32 |
40 |
|
Overload flow Q4 (m/h) |
3.125 |
5 |
7.875 |
12.5 |
20 |
|
Permanent flow Q3 (m3/h) |
2.5 |
4 |
6.3 |
10 |
16 |
|
Transitional flow Q2(m3/h) |
0.02 |
0.032 |
0.05 |
0.08 |
0.128 |
|
Minimum flow Q1 (m3/h) |
0.0125 |
0.02 |
0.0315 |
0.05 |
0.08 |
|
Start-up flow (m3/h) |
0.005 |
0.005 |
0.008 |
0.01 |
0.015 |
|
Max flow |
999999.999 |
||||
|
Measuring range |
Q3/Q1, R200/(R250 customizable) |
||||
|
Accuracy class |
Class 2 |
||||
|
Pressure loss class |
≤0.04 MPa |
||||
|
Working pressure |
1.6 MPa |
||||
|
Temperature class |
T30/T50 |
||||
|
Temperature range |
(5~55)℃ |
||||
|
Storage temperature |
-20~60℃ |
||||
|
Environment class |
Class B |
||||
|
Electromagnetic class |
E1 |
||||
|
Power supply |
Built-In Lithium battery DC 3.6V |
||||
|
Battery life |
8-10 years |
||||
|
Battery capacity |
8500mAh |
||||
|
Power consumption |
10μA |
||||
|
Installation position |
Any angle |
||||
|
Display |
LCD, 8 digits +additional characters |
||||
|
Installation pitch |
U10/D5 |
||||
|
Communication Interface |
RS485 modbus/ LoRa/LoRaWAN/NB-IOT |
||||
|
Protection class |
IP68 |
||||
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