Subsurface flow velocity meter

Main applications: This device can be widely used for measuring flow velocity, flow direction, water level, and water temperature in various scenarios, including hydrology, water resources management, open channels, water supply and drainage systems, environmental monitoring, aquaculture experiments, laboratory research, mining applications, and sewage discharge outlets.

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Technical Parameters
1. Flow measurement range: 0.02–7.00 m/s
2. Flow measurement accuracy: 1.0% ± 1 cm/s
3. Resolution: 1 mm (In low-flow conditions, the device can measure flow velocities down to the millimeter level; it is a device capable of measuring millimeter-level flow velocities.)
4. Flow direction measurement range: 0–360° azimuth (built-in high-precision digital compass that uses magnetic field principles to acquire the azimuth angle; the north direction is defined as 0 degrees).
6. Measurement accuracy: ±3°
7. Water temperature measurement range: (0～40)℃
8. Temperature measurement accuracy: ±1℃
9. Depth measurement range: 0–50 m; Accuracy: ±0.3%FS
0–100 m Accuracy: ±0.6%FS
11. Working water depth: 0.1–80 m
11. Measurement modes: automatic and manual
12. Measurement interval: Automatic mode: Select a value from 0 to 120 minutes, with a minimum increment or decrement interval of 5 minutes.
13. Manual mode: Allows single or multiple consecutive measurements with arbitrary intervals.
14. Speed measurement duration: Automatic mode: two options—60 seconds and 100 seconds.
15. Manual mode: 10–120 seconds, selectable in increments or decrements.
16. Power supply: AC 220V, 50Hz, ±10%; DC 12V ±10% (an internal battery can be added).
17. Output interface: RS485, RS232, or USB interface
18. Power Consumption: Standby < 0.2W, Speed Measurement < 7W
19. Probe dimensions: 347 × 110 × 110 mm; weight: 2.5 kg
20. Host dimensions: 194 × 222 × 93 mm, weight: 1.75 kg
21. Suitcase: External dimensions: 630×510×340mm
22. Measurement methods: 1. Suspension measurement; 2. Fixed-installation measurement