Nominal diameter | 15 | 20 | 25 | 32 | 40 | ||||
Max flow Q4 (m3/h) | 3.125 | 5 | 7.87 | 12.5 | 20 | ||||
Nominal flow Q3 (m3/h) | 2.5 | 4 | 6.3 | 10 | 16 | ||||
Transitional flow Q2 (m3/h) | 0.02 | 0.032 | 0.05 | 0.08 | 0.128 | ||||
Min flow Q1 (m3/h) | 0.013 | 0.02 | 0.032 | 0.05 | 0.08 | ||||
Measuring range | R200 (Q3/Q1) | ||||||||
Accuracy class | Class B | ||||||||
Temp. Class | T50 | ||||||||
Power supply | DC 3.6V | ||||||||
Battery life | ≥ 8years | ||||||||
Temp range | 5~50 ℃ | ||||||||
Working pressure | ≤1.6MPa | ||||||||
Protection class | IP68 | ||||||||
Interface | RS 485/M-bus | ||||||||
Protection grade | IP68 | ||||||||
Display | LCD, 8 digits + additional characters | ||||||||
Data storage | storage of all monthly value of last 18 months | ||||||||
Flow measurement | Normal state: 6 times/4 sec. (1 time/15 sec .under no water condition); Verification state:12 times/sec. |
Caliber (mm) | 15 | 20 | 25 | 32 | 40 |
L(mm) | 165 | 195 | 225 | 180 | 200 |
L1(mm) | 260 | 300 | 346 | 305 | 330 |
W(mm) | 95 | 95 | 95
| 95
| 95
|
H(mm) | 86 | 86 | 89 | 100 | 120 |
Pipe thread connection | R1/2 | R3/4 | R1 | R1 1/4 | R1 1/2 |
Water meter thread | G3/4B | G1B | G1 1/4B | G1 1/2B | G2B |