★Intelligent photoelectric sensor, passive design | ★Protection grade IP68 |
★Anti-magnetic interference | ★Remote meter reading |
★Photoelectric direct reading | ☆Base meter all copper structure |
☆Remote valve control |
Model size | SVRL/R-15-200 |
Measurement range ratio(Q3/Q1) | R=80,100,160 |
Working temperature | Cold water meter: 0.1~30ºC; Hot water meter 0.1~90ºC; |
Pressure loss | <0.063MPa |
Minimum allowable working pressure | 0.03MPa |
Maximum working pressure | 1.0MPa |
Pressure loss grade | △P63 |
Climate and mechanical environment safety grade | B |
Electromagnetic Compatibility | E1 |
Service life | >6 years |
Accuracy class | Class 2 |
Communication method | M-BUS(RS-485 can be optional) |
Nominal diameter (mm) | DN 15 | DN 20 | DN25 |
Dimension (mm) | 165 x 91 x 350 | 195 x 91 x135 | 225 x 91 x135 |
Permanent flow-rate Q3(m3/h) | 2.5 | 4.0 | 6.3 |
Minimum flow-rate Q1(m3/h) | 0.025 | 0.04 | 0.063 |
Transitional flow-rate Q2(m3/h) | 0.04 | 0.064 | 0.1008 |
Overload flow-rate Q4(m3/h) | 3.125 | 5.0 | 7.875 |