Type and Specifications:
1.Industrial grade small calibre ultrasonic water meter(DN15-DN40)
2.Dual channel ultrasonic water meter(DN50-DN500)
3.Four-channel ultrasonic water meter (DN80-DN500)
Techinocal Parameters:
|
Items |
Parameters |
|
Executive standard |
ISO4064-2014,GBT778-2018 |
|
Measurable fluid |
Water, sewage, seawater (other liquid need be customized),Liquid full of pipeline |
|
Fluid temperature |
0.1-30℃ |
|
Work environment |
temperature: -30-45℃; humidity:100%( RH ) |
|
Bearable pressure |
1.6MPa, 2.5MPa alternatives |
|
Pressure loss |
DN15-DN40 △P40;≥DN50 △P10 |
|
The sensitivity grade of upstream |
U3 |
|
The sensitivity grade of downstream |
D0 |
|
Climate and mechanical environment |
C class |
|
Electromagnetism compatibility grade |
E2 class |
|
Communication interface |
RS485/USART/infrared interface, M-BUS alternatives;NB-lot wireless transmission |
|
Output signal |
OCT alternatives |
|
Power supply |
2 built-in lithium batteries/external DC8-24V power supply |
|
Protection grade |
IP68 |
|
Spot display |
Screen with two rows: 9digital accumulated flow display,6 digital instantaneous flow display, various condition prompt symbols and units. |
|
Data storage |
Ferroelectric storage parameters usage, recording accumulated flow of 32moths and 31days before automatically |
|
Flow measurement cycle |
Measurement condition: 1time/second(settable); Authentication condition: 4times/second |
|
Power consumption |
Standard condition < 30uA, working 20 years above constantly |
|
Materials |
Measuring pipe: carbon steel(stainless steel for sensor); sensor: PEEK; protection cover:nylon plus glass fiber |
Construction:
Display:
Flow Range:
1.
one channel industrial grade small calibre ultrasonic water meter (R=200)
|
Nominal diameter (mm) |
Measurement range ratio R |
Flow rate (m³/h) |
||||
|
Starting flowrate |
Minimum flowrateQ1 |
Transitional flowrate Q2 |
Permanent flowrateQ3 |
Overload flow rateQ4 |
||
|
DN15 |
200 |
0.0031 |
0.0125 |
0.0200 |
2.5000 |
3.1250 |
|
DN20 |
200 |
0.0050 |
0.0200 |
0.0320 |
4.0000 |
5.0000 |
|
DN25 |
200 |
0.0079 |
0.0315 |
0.0504 |
6.3000 |
7.8750 |
|
DN32 |
200 |
0.0200 |
0.0800 |
0.1280 |
16.0000 |
20.0000 |
|
DN40 |
200 |
0.0313 |
0.1250 |
0.2000 |
25.0000 |
31.2500 |
2.dual channel big calibre ultrasonic water meter (R=100)
|
Nominal diameter (mm) |
Measurement range ratio R |
Flow rate (m³/h) |
||||
|
Starting flow rate |
Minimum flow rateQ1 |
Transitional flowrate Q2 |
Permanent flowrateQ3 |
Overload flow rateQ4 |
||
|
DN50 |
100 |
0.100 |
0.400 |
0.640 |
40.000 |
50.000 |
|
DN65 |
100 |
0.158 |
0.630 |
1.008 |
63.000 |
78.750 |
|
DN80 |
100 |
0.250 |
1.000 |
1.600 |
100.000 |
125.000 |
|
DN100 |
100 |
0.400 |
1.600 |
2.560 |
160.000 |
200.000 |
|
DN125 |
100 |
0.625 |
2.500 |
4.000 |
250.000 |
312.500 |
|
DN150 |
100 |
1.000 |
4.000 |
6.400 |
400.000 |
500.000 |
|
DN200 |
100 |
1.575 |
6.300 |
10.080 |
630.000 |
787.500 |
|
DN250 |
100 |
2.500 |
10.000 |
16.000 |
1000.000 |
1250.000 |
|
DN300 |
100 |
4.000 |
16.000 |
25.600 |
1600.000 |
2000.000 |
|
DN350 |
100 |
4.000 |
16.000 |
25.600 |
1600.000 |
2000.000 |
|
DN400 |
100 |
6.250 |
25.000 |
40.000 |
2500.000 |
3125.000 |
|
DN450 |
100 |
6.250 |
25.000 |
40.000 |
2500.000 |
3125.000 |
|
DN500 |
100 |
10.000 |
40.000 |
64.000 |
4000.000 |
5000.000 |
3.four-channel big calibre ultrasonic water meter (R=200)
|
Nominal diameter (mm) |
Measurement range ratio R |
Flow rate (m³/h) |
||||
|
Starting flow rate |
Minimum flow rateQ1 |
Transitional flowrate Q2 |
Permanent flowrateQ3 |
Overload flow rateQ4 |
||
|
DN80 |
200 |
0.125 |
0.500 |
0.800 |
100 |
125.00 |
|
DN100 |
200 |
0.200 |
0.800 |
1.280 |
160 |
200.00 |
|
DN125 |
200 |
0.313 |
1.250 |
2.000 |
250 |
312.50 |
|
DN150 |
200 |
0.500 |
2.000 |
3.200 |
400 |
500.00 |
|
DN200 |
200 |
0.788 |
3.150 |
5.040 |
630 |
787.50 |
|
DN250 |
200 |
1.250 |
5.000 |
8.000 |
1000 |
1250.00 |
|
DN300 |
200 |
2.000 |
8.000 |
12.800 |
1600 |
2000.00 |
|
DN350 |
200 |
2.000 |
8.000 |
12.800 |
1600 |
2000.00 |
|
DN400 |
200 |
3.125 |
12.500 |
20.000 |
2500 |
3125.00 |
|
DN450 |
200 |
3.125 |
12.500 |
20.000 |
2500 |
3125.00 |
|
DN500 |
200 |
5.000 |
20.000 |
32.000 |
4000 |
5000.00 |
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