Acoustic Doppler current meter

River flow monitoring ship traffic · ship berthing flood early warning system water transfer project irrigation channel environmental monitoring

The acoustic Doppler principle is adopted to accurately measure the horizontal two-dimensional velocity and water level, and output the flow and water volume data in real time.

The instrument does not need calibration, and the velocity measurement accuracy is not affected by the attachment of aquatic organisms. It can be easily installed on the bank, pier or other vertical buildings in the water.

Standard RS232, sd1-12 communication protocol and easy-to-use instruction set can connect most

data acquisition platforms, automatic water quality monitoring stations and telemetry systems: 4-20mA or 0-5V analog output is optional.

• built in flow calculation program, directly output flow and water volume, and realize unattended real-time online and flow remote reporting

• use acoustic transducer to measure water level, with an accuracy of 0.003 m, long-term stability, and not affected by atmospheric pressure changes

• display multi cell flow rate and index flow rate data at the same time

• without manual setting, it can automatically adapt to different flow rate ranges, and is the best choice for fixed flow measurement

• beam pointing angle ＜ 1.4 degrees

• intelligent power-off response, automatic recovery after an incoming call.

Low power consumption, standby power consumption is only 0.0001w

technical parameter

Current Speed

Measuring range: 6 m / S

Resolution: 0.1 cm / S

Accuracy: ＋ 1% ± 0.5 cm / s of measured flow rate

Horizontal beam: 500khz:120 m 1.5mhz:20 m 3 Omhz:5m

Vertical beam: 500khz:18 m 1.5mhz:10 m 3.0mhz:5 M

power waste

Typical power consumption: 500khz:0.5w to 1.0W 1.5mhz:

0.5w to 0.7W 3.0mhz:0.5w to 0.7W

Standby power consumption: 0.0001w

Accuracy

500khz: ± 0.6cm (depth <6m), ± 0.1% (depth ≥ 6m)

1.5mhz: ± 0.3cm (depth <3m), ± 0.1% (depth ≥ 3M)

3.0mhz: ± 0.3cm (depth <3m), ± 0.1% (depth ≥ 3M)