Caliber (DN) mm | 15 | 20 | 25 | 32 | 40 | 50 |
Overload flow (Q4) m³ / h | 3.125 | |||||
Common flow rate (Q3) m³ / h | 2.5 | |||||
Boundary flow (Q2) m³ / h | 0.05 0.04 0.032 |
|||||
Minimum flow rate (Q1) m³ / h | 0.032 0.025 0.02 |
|||||
Measurement range (Q3 / Q1) | 80/100/125 | |||||
level of accuracy | 2class | |||||
Working pressure | ≤1.6Mpa | |||||
Pressure loss class | △P63(≤0.063M Pa) |
|||||
Operating temperature | Cold water meter(T30):0.1℃~30℃ | Hot water meter(T90):0.1℃~90℃ |
||||
Flow profile sensitivity class | U10,D5 |
|||||
Climate and mechanical environment safety rating | B class |
|||||
Electromagnetic compatibility class | E1 class |
|||||
Operating Voltage | 3.6Vlithium battery |
|||||
Protection class | IP68 |
|||||
Working frequency | 800MHZ、900MHZ |
|||||
Output Power | ≤23dbm |
|||||
Receiving sensitivity | -129dbm |
|||||
Static working current | ≤10uA |
|||||
Battery life | >6Year (Reported once a day) |