KM01-01
This series of products are wireless remote water meters which separate the mechanic part from intelligent module completely and upload the water consumption through NB\LORA Internet. The communication module is directly installed on the base water meter. The installation requirements are simple and the process is rapid. The water meter adopts an independent reading pointer, which does not interfere with the electronic module and has no influence
Description
1. Features
● Multi-jet vane wheel.
● Wet type register, high sensitivity,glycerin-sealed dial ensures long-term clear reading.
● Split type, separate sealing structure, easy to replace and maintain, damp-proof, IP68.
● Replaceable battery chamber design.
● Adopt stable NB\LORA internet signal transmission technology.
● Collect water consumption according to 1L,10L,100L.
● Material: iron, plastic, brass, stainless.
● Provided with lead seal and dust-proof cover.
● Climate and EMC class B\O ,E1.
2. Electronic Parameter
|
Datacomms |
Static current |
Report |
Operating frequency |
Transmitted power |
Receive sensitivity |
|
Lora |
25μA |
Non-magnetic |
470-510MHz |
≤20dBm |
-136+1dBm |
|
NB-lot |
15μA |
Non-magnetic |
B1,B2,B5,B8,NB-lot |
≤23dBm |
-131+1dBm |
3. Head Loss Curve
4. Accuracy Error Curve
5. Installation Dimension 
|
Item No |
LXSW-15 |
LXSW-20 |
LXSW-25 |
|
|
L1 |
mm |
260 |
295/300 |
346 |
|
L |
mm |
165 |
190/195 |
225 |
|
H |
mm |
130/140 |
130/140 |
140 |
|
W |
mm |
100 |
100 |
100 |
|
Connection Thread |
D(mm) |
G3/4" |
G1" |
G1 1/4" |
|
d(mm) |
R1/2 |
R3/4 |
R1 |
|
|
Weight |
with unionskg |
|
|
|
|
without unions(kg) |
1.3 |
1.5 |
2.0 |
|
6. Main Technical Parameter
|
Model number |
LXSW-15 |
LXSW-20 |
LXSW-25 |
|
|
|||||
|
Nominal diameter (DN)[mm] |
15 |
20 |
25 |
32 |
40 |
|||||
|
Ratio Q3/Q1 |
R80 |
R100 |
R80 |
R100 |
R80 |
R100 |
R80 |
R100 |
R80 |
R100 |
|
Overload flow rate (Q4) [m³/h] |
3.125 |
3.125 |
5 |
5 |
7.875 |
7.875 |
12.5 |
12.5 |
20 |
20 |
|
Permanent flow rate (Q3) [m³/h] |
2.5 |
2.5 |
4 |
4 |
6.3 |
6.3 |
10 |
10 |
16 |
16 |
|
Transitional flow rate (Q2) [m³/h] |
0.05 |
0.04 |
0.08 |
0.064 |
0.126 |
0.1 |
0.2 |
0.16 |
0.32 |
0.256 |
|
Minimum flow rate (Q1) [m³/h] |
0.032 |
0.025 |
0.05 |
0.04 |
0.08 |
0.063 |
0.125 |
0.1 |
0.2 |
0.16 |
|
Accuracy class |
2 |
|||||||||
|
Maximum permissible error for the lower flow rate zone (MPEι) |
±5% |
|||||||||
|
Maximum permissible error for the upper flow rate zone (MPEμ) |
±2% for water having a temperature ≤30℃ |
|||||||||
|
Temperature class |
T30,T50 |
|||||||||
|
Water pressure classes |
MAP 16 |
|||||||||
|
Pressure-loss classes |
△P63 |
|||||||||
|
Indicating range[m³] |
99 999 |
|||||||||
|
Resolution of the indicating device[m³] |
0.00005 |
|||||||||
|
Flow profile sensitivity classes |
U10 D5 |
|||||||||
|
Orientation limitation |
HORIZONTAL |
|||||||||
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Tel: +86-0574-83090480
Fax: +86-0574-83021045
Email: [email protected]
Web: https://www.keyturemeter.com/
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