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Data types:water level, flow velocity, temperature, instantaneous flow, accumulated flow;
Channel types:circular, rectangular, trapezoidal, irregular channels;
Application:flow velocity monitoring of natural rivers, flow statistics for irrigation channels, drainage metering for municipal pipe networks, watershed data acquisition at hydrological stations
| Electrical specifications | |
|---|---|
| Operating power supply | 3~5VDC (3.6V lithium battery) |
| Battery capacity | 3.6V/5200mAH |
| Power Consumption | 600mAH (continuous operation for 6 hours at 25°C ambient temperature) |
| External sensor voltage range | 10～24VDC |
| Output characteristics | |
| Interface | Type-C |
| Communication protocol | Modbus RTU |
| Local display | 3.5-inch LCD backlit display |
| Measurement performance | |
| Flow velocity range | ±0.03m/s～5m/s |
| Verified flow velocity accuracy | ±(V*%1+0.01)m/s (verification accuracy by Hydrological Verification Center) |
| Field flow velocity accuracy | ±1%~±3% (measurement accuracy varies with field working conditions) |
| Flow velocity resolution | 1mm/s |
| Pressure water depth range | 0.02～10m |
| Pressure water depth resolution | 3mm |
| Pressure water depth accuracy | ±30mm |
| Temperature resolution | 0.01°C |
| Instantaneous flow range | 1m³/h～720000000m³/h |
| Instantaneous flow resolution | 0.001 m³/s |
| Cumulative flow range | 0.1m³～34560000000m³ |
| Cumulative flow resolution | 0.001L |
| Local cache | 30,000 records |
| Data types | Water level, flow velocity, temperature, instantaneous flow, cumulative flow |
| Channel types | Circular, rectangular, trapezoidal, irregular channels |
| Physical characteristics | |
| Handheld unit material | ABS |
| Flow velocity meter material | POM+(ABS+PC) |
| Cable material | PU |
| Test rod material | 304 stainless steel |
| Test rod length | Standard 2.5m (0.5m*5) |
| Weight | 8.52kg±0.1kg |
| Cable length | Standard 10m (other lengths available on request) |
| Cable construction | 4-core (single core 0.21m²) shielded cable with built-in air tube, outer diameter 8mm |
| Environmental parameters | |
| Handheld unit protection rating | IP65 |
| Protection rating | IP68 |
| Operating temperature | -5~60°C (non-freezing conditions) |
| Storage temperature | -25～80°C |
| Turbidity | Cannot measure above 10NTU |
| Acidity/alkalinity | pH value between 6 and 10 |
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