Small Size Ultrasonic Water Meter With User Guide
imension and Technical
|
Nominal diameter(mm) |
15 |
20 |
25 |
32 |
40 |
|
Length L(mm) |
165 |
195 |
225 |
180 |
200 |
|
Length L1(mm) |
260 |
300 |
346 |
305 |
330 |
|
Width B(mm) |
95 |
95 |
95 |
95 |
95 |
|
Hight H(mm) |
86 |
86 |
89 |
100 |
120 |
|
Overload flow Q4(m³/h) |
3.125 |
5 |
7.87 |
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 flowQ1(m³/h) |
0.0125 |
0.02 |
0.032 |
0.05 |
0.08 |
|
Start-up flow(m³/h) |
0.005 |
0.005 |
0.008 |
0.01 |
0.015 |
|
Max flow |
999999.99 |
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|
Measuring range |
Q3/Q1, R200 (R250 customizable) |
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|
Accuracy class |
Class 2 |
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|
Pressure loss class |
≤0.04 MPa |
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|
Working pressure |
1.6 MPa |
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|
Temperature class |
T50 |
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|
Temperature range |
(5~55)℃ |
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|
Environment class |
Indoor, Class B |
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|
Electromagnetic class |
E1(Residential, Commercial, Industrial) |
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|
Power supply |
Built-in lithium battery DC 3.6V |
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|
Battery life |
8-10 years |
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|
Installation position |
Any angle |
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|
Display |
LCD, 8 digits + additional characters |
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|
Installation pitch |
U10/D5 |
||||
|
Communication interface |
RS485 modbus/ LoRa/NB-lOT/LoRaWAN |
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|
Protection class |
IP68 |
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