water meter water meter
USD $15 - $100 /Piece
Min.Order:1 Piece
Xian Qin Wei Instrument Factory
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