Diameter | DN15 | DN20 | ||||||
Length | 165mm | 195mm | ||||||
Valves | no | yes | ||||||
Q3 (m³/h) permanent flow-rate | 2.5 | 4 | ||||||
QS (L/h) Start flow-rate | 3 | 3 | ||||||
Ratio(Q3/Q1) | Q3/Q1=100,160,250,315,400,500 | |||||||
Accuracy | class 2 | |||||||
Pressure | 1.6MPa | Presure loss | △p40 | |||||
Temperature | T30,T50,; Default T30 | |||||||
Data storage | 1 year of daily data storage, 24 months of historical data; (data storage mode can be customized according to customer requirements) | |||||||
Power outage protection | After a power outage, the accumulated flow rate recorded before the outage and the corresponding time can be saved, and the power supply will be restored automatically after the restoration of power metering function. | |||||||
Communication Interface | Infrared,M-BUS,RS485,NB-IOT,LORA,LORAWAN,TTL,Pulse(optional) | |||||||
Power supply | Lithium;DC3.6V | |||||||
Protection level | IP68 | |||||||
Electromagnetic Class | E2 | |||||||
Installation | H/V | |||||||
life/duration | ≥8 years | |||||||
Metric diameter | DN15 | DN20 | DN20 | DN20 | ||||
Thread | G1/2 | G3/4 | G3/4 | G3/4 | ||||
L(mm) | 165 | 130 | 190 | 195 | ||||
L1(mm) | 260 | 234 | 294 | 294 | ||||
H(mm) | 145 | 147 | 147 | 147 | ||||
H1(mm) | 84 | 86 | 86 | 86 | ||||
W(mm) | 106 | 106 | 106 | 106 |