| Nominal Diameter |
Range Ratio (Q3/Q1) |
Permanent Flow Rate Q3 |
Transitional Flow Rate Q2 |
Minimum Flow Rate Q1 |
Overloaded Flow Rate |
| DN 50 |
160 |
896.99 ft3/h (25.40 m3/h) |
(0.250 m3/h) |
(0.156 m3/h) |
(31.25 m3/h) |
| DN 80 |
200 |
1412.59 ft3/h (40 m3/h) |
11.3 ft3/h (0.320 m3/h) |
0.706 ft3/h (0.020 m3/h) |
1765.73 ft3/h (50 m3/h) |
| DN 100 |
200 |
2224.82 ft3/h (63 m3/h) |
17.65 ft3/h (0.500 m3/h) |
11.124 ft3/h (0.315 m3/h) |
2781.03 ft3/h (78.75 m3/h) |
| DN 125 |
200 |
3531.47 ft3/h (100 m3/h) |
28.25 ft3/h (0.800 m3/h) |
17.65 ft3/h (0.500 m3/h) |
4414.33 ft3/h (125 m3/h) |
| DN 150 |
200 |
5650.35 ft3/h (160 m3/h) |
44.14 ft3/h (1.250 m3/h) |
28.25 ft3/h (0.800 m3/h) |
7062.93 ft3/h (200 m3/h) |
| DN 200 |
200 |
8828.67 ft3/h (250 m3/h) |
70.62 ft3/h (2.000 m3/h) |
44.14 ft3/h (1.25 m3/h) |
11035.833 ft3/h (312.5 m3/h) |
| DN 250 |
200 |
14125.9 ft3/h (400 m3/h) |
113.007 ft3/h (3.200 m3/h) |
70.62 ft3/h (2.000 m3/h) |
17657.3 ft3/h (500 m3/h) |
| DN 300 |
200 |
22248.2 ft3/h (630 m3/h) |
176.573 ft3/h (5.000 m3/h) |
111.241 ft3/h (3.150 m3/h) |
27817.363 ft3/h (787.7 m3/h) |
| DN 350 |
200 |
35314.7 ft3/h (1000 m3/h) |
282.517 ft3/h (8.000 m3/h) |
176.573 ft3/h (5.000 m3/h) |
44143.33 ft3/h (1250 m3/h) |
| Type |
Ultrasonic meters, prepaid water meters |
| Material |
Iron, steel |
| Type |
Ultrasonic water meter |
| Communication Mode |
MBUS, ImPulse, LoRa, GPRS, NB IoT |
| Nominal Diameter |
DN15, DN20 |
| Diameter |
DN50 to DN350 |
| Accuracy |
Class 2 B |
| Standard |
ISO 4064 class 2 B |
| Maximum Working Pressure |
1.0 MPa or 1.6 MPa |
| Minimum Flow Rate |
0.706 ft3/h (0.020 m3/h), 5.509 ft3/h (0.156 m3/h) |
| EMC Grade |
E1 |
| Climatic and Mechanical Environmental Grades |
B |
| Range Ratio |
160, 200 |
| Protection Grade |
IP68 |
| Temperature Grade |
T50 |
