BR Series Flow Velocity and Direction Meter
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BR Series Flow Velocity and Direction Instrument
1. Product Introduction
This instrument is used to measure the flow velocity and direction at underwater measurement points in rivers, estuaries, lakes, etc.
2. Product Features
(1) The instrument has a sturdy structure, an aesthetically pleasing appearance, compact size, and is easy to carry.
(2) The design principle is innovative, utilizing new molding technology, with minimal wave influence and excellent dynamic characteristics.
(3) Modular design allows it to operate satisfactorily in a digital direct-read mode without any peripherals. After completing measurements, an audio prompt is provided, and the flow velocity/direction is alternately displayed 8 times.
(4) The instrument uses a low-power microcontroller to process measurement data. The entire unit operates with low power consumption, and one battery can support continuous operation for 300 hours.
(5) Operating current: less than 50mA. Full set includes: flow velocity instrument, converter, tablet computer, load-bearing cable, and supporting software.
3. Technical Parameters
Flow Velocity Section
Velocity Measurement Range | 0.05m/s～15m/s |
Starting Speed V0 | 0.03m/s |
Critical Speed VK | 0.13m/s |
Full-Line Relative Mean Square Error m | |m|≤1.5% (for V≥VK) |
Contact Operation Count | 1×10⁷ |
Relative Error δ | |δ|≤5% (for V＜VK) |
Working Water Environment: | Water Temperature 0℃～＋40℃ |
Suspended Sediment Concentration ≤50kg/m³ | |
Water Depth 0.2m～50m |
Flow Direction Section
Measurement Range | 0°～360° |
Resolution | 0.1° |
Accuracy | 0.6° |
Tilt Range | ±80° |
Tilt Accuracy | ＜1° |
Tilt Resolution | 0.1° |
Response Frequency | 7HZ |
Operating Temperature | Water Temperature0℃～＋40℃ |
| Industry Category | Measurement-Analysis-Instruments |
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| Origin: | China / Shandong / Weifangshi |
