Electronic Remote Reading Water Meter
Main Technical Parameters
1. Execution Standard: GB/T778.1~3-2007 "Measurement of Water Flow in Closed Full Pipelines for Drinking Cold Water Meters and Hot Water Meters";CJ/T224-2012 "Electronic Remote Reading Water Meter";
2. Working Pressure: ≤1MPa;
3. Measured Water Temperature: Cold Water Meter 0~30℃, Hot Water Meter 0~90℃;
4. Electrical Parameters: Working Voltage: DC12V (RS485); DC24-42V (MBUS) Maximum Current: I≤18mA;
Communication Method with Upper Computer:
a) RS-485 Fieldbus;
b) M-BUS Fieldbus;
Communication Transmission Rate: 1200/2400 baud, Maximum Communication Transmission Distance: 1200m;
Lightning Protection Parameters: Bus Pin ESD Protection Exceeds 10kV;
5. Accuracy Level and Flow Range:
|
Model |
Nominal Diameter |
Q3/ Q1 |
Overload Flow |
Common Flow |
Boundary Flow |
Minimum Flow |
Minimum Reading |
Maximum Reading |
|
|
mm |
|
m³/h |
m³ |
||||
|
LXSG-15 |
15 |
80 |
3.1 |
2.5 |
0.050 |
0.031 |
0.0001 |
99999 |
|
160 |
3.1 |
2.5 |
0.025 |
0.016 |
||||
|
LXSG-20 |
20 |
80 |
5 |
4.0 |
0.080 |
0.050 |
0.0001 |
99999 |
|
160 |
5 |
4.0 |
0.040 |
0.025 |
||||
|
LXSG-25 |
25 |
80 |
7.8 |
6.3 |
0.126 |
0.079 |
0.0001 |
99999 |
|
160 |
7.8 |
6.3 |
0.063 |
0.040 |
||||
|
LXSG-40 |
40 |
80 |
20 |
16 |
0.320 |
0.200 |
0.001 |
99999 |
|
LXSG-50 |
50 |
80 |
31.25 |
25 |
0.500 |
0.312 |
0.001 |
99999 |
Indication Error
From including the minimum flow (Q1) to excluding the boundary flow (Q2) in the low range ±5%,
From including the boundary flow (Q2) to including the maximum flow (Q4) in the high range ±2%.
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