Water Meter Water Meter
Specifications
1. security usagenvenient installation
3.quality assured
4.best service
Nominal Diameter |
Class |
Overload Flow |
Nominal Flow |
Transitional Flow |
Min Flow |
Min Reading |
Max Reading |
mm |
|
m3/h |
m3 |
||||
15 |
B |
3 |
2.5 |
Q3/Q1=80 Q2/Q1=1.6 |
0.00005 |
9999 |
|
20 |
B |
5 |
4.0 |
0.00005 |
9999 |
||
25 |
B |
7 |
6.3 |
0.00005 |
9999 |
||
Working Condition:
<1>Base table:
a.Pressure:≤1MPa or 1.6MPa
b.Temperature:for cold water meter 0.1 degree~30 degree
<2>Optical remote sensor:
a.Temperature:-20 degree~+50 degree
b.Relative Humidity:10%~93%
c.Air Pressure:86kPa~106kPa
Pressure loss:
P<0.063MPa
Measurement Class: A(Accuracy)
The Max permissible error between 0.1degree and degree:
a.In the upper zone(Q2≤Q≤Q4)is ±2%
b.In the lower zone(Q1≤Q≤Q2)is ±5%
Nominal Diameter |
Length(L1) |
Length(L) |
Width(B) |
Height(H) |
Connecting Thread |
|
mm |
D |
d |
||||
15 |
165 |
259 |
95.5 |
105.5 |
G3/4B |
R1/2 |
20 |
195 |
299 |
95.5 |
104.5 |
G1B |
R3/4 |
25 |
225 |
345 |
100 |
116.5 |
G11/4B |
R1 |
32 |
230 |
365 |
104 |
117 |
G11/2B |
R11/4 |
Communication Way:RS485 bus
Max working current:20mA
Average power consumption
(only while meter reading):<50mW
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