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External Power Supply Irrigation Long Life Bulk Ultrasonic Water meter
1. Basic technical parameters
Item | Parameter |
Model | LXC-A |
Diameter | DN50-DN200 |
Body material | Ductile cast iron |
Accurate class | Class B |
Maximum admissible pressure (MAP) | 1.6 MPa |
Pressure loss class | Δp25 |
Temp. class | T30 |
Sensitivity of velocity field class | U10/D5(default),U5/D3 |
Environmental Class | Class O |
Electromagnetic environment class | Class E2 |
LCD display | Cumulative flow m3 and instantaneous flow rate m3/h display on same screen Display water temp.: ℃,display pressure MPa (need to select water meter with pressure sensor) Batter,In-flow & reverse flow direction,and error display |
Display resolution | Cumulative flow (0.001m³), Verification cumulative flow (0.001L) Temp.(0.1℃), Pressure(0.01MPa) |
Display range | Cumulative flow:0~99999999.999 m³ |
Data communication | GPRS/LoRa/NB-IoT/RS485 (default) |
Data store | Using ferroelectric technology to store cumulative flow by monthly, automatically store data for the last 12 months, and store accumulated data for the last 5 years |
Power supply | Battery power DC3.6V,a battery can be used for 5+1 years |
Waterproof class | IP68 |
Pulse output mode | Infrared pulse, the pulse equivalent quantity is set according to the diameter |
Communication protocol | Modbus-RTU protocol/CJ. T188 protocol/customize protocol |
2. Measurement performance parameter
Nominal Diameter DN (mm) | 50 | 65 | 80 | 100 | 150 | 200 |
Range R (Q3/ Q1) | 250 | |||||
Ratio Q2/Q1 | 1.6 | |||||
Overload flowrate Q4(m3/h) | 50 | 78.75 | 125 | 200 | 312.5 | 500 |
Permanent flowrate Q3(m3/h) | 40 | 63 | 100 | 160 | 250 | 400 |
Transitional flowrate Q2(m3/h) | 0.256 | 0.4032 | 0.640 | 1.024 | 1.600 | 2.560 |
Minimum flowrate Q1(m3/h) | 0.160 | 0.252 | 0.400 | 0.640 | 1.000 | 1.600 |
Start flowrate (m3/h) | 0.02 | 0.04 | 0.04 | 0.06 | 0.10 | 0.20 |
Accurate class | Class 2 | |||||
Maximum permissible error (MPE) | High flow area(Q2≤Q≤Q4)±2% Low flow area(Q1≤Q<Q2)±5% |