The ultrasonic open channel flow meter with weir and flume which used together for measured the flow in the open channels. Mainly application is the outfall of sewage plant and the sewage of enterprises, city sewer and irrigation channels.
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TECHNICAL FEATURES
Function | Integrated type | Split type |
Range | 0.1l/s～99999.99 m³/h | |
Cumulative Flow | biggest：4290000000.00 m³ | |
Max range for level | 3m | |
Accuracy for level | 0.5% | |
Resolution | 3mm or 0.1%（bigger） | |
Display | LED | |
Accuracy for Flow | Standard weir:1～5% (meet the requirements of national standard weir and channels) Non-standard weir: 10～30% | |
Analog output | (Four-wire system) 4～20mA/750Ωload | |
Relay output | (optional)two groups :AC 220V/ 8A or DC 24V/ 5A， | |
Power supply | Standard:24VDC 100mA；optional: 220V AC+15% 50Hz | |
Power supply | (optional)12VDC、battery、solar | |
Environment Temperature | LED:-20～+60℃，Probe: -20～+80℃ | |
Environmental pressures | Standard atmospheric pressure | |
Environment humidity | ≤90%RH， Non-condensing | |
Process temperature | -20～80℃； | |
Process pressure | Standard atmospheric pressure | |
Communication | Optional:485，232，MODBUS protocol | |
Protection Grade | LED:IP67 Probe: IP68 | LED:IP65，probe:IP68 |
Cable Probe | No | Standard:10m， The longest:100m |
Probe installation dimension | M48x2mm thread + matching nuts | |
Probe Material | Standard: ABS Teflon material in corrosive environment | |
DIMENSIONS:
1.Split Type
Outline Structure
2.Integrated Type
INSTALLATION:
The probe of ultrasonic open channel flow meter can be installed directly above the observation point of
weir and flume. Launched surface of probe aims to the water surface by putting the level bar on the probe
cover and calibrate the level and be vertical it. The location of water level observation point in the parshall
flume is away from upstream 0.1~0.5m; when triangular weir and rectangle weir are on the upstream side,
the distance away from the weir plate is the maximum weir water depths by 3-4 times
Installation of Triangular Weir
Installation of Parshall flume
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