The Doppler aerial meter RCM blue is used for self-contained measurement of currents. It is rugged and durable, communication and data download via Bluetooth.The instrument uses a true vector average sensor to measure flow velocity and flow direction, which can be used with sea water and fresh water, with a battery capacity of 70A. | ![]() |
Features | |
1. Built-in data storage | |
2. Configure and download data via Bluetooth | |
3. Battery capacity up to 70Ah | |
4. The working status can be determined by the color of the external LED lights. | |
5. Unique ZPulse multi-frequency acoustic technology | |
6. Improve data quality and sampling speed and reduce power consumption | |
7. Built-in three-dimensional solid-state compass and tilt sensors, algorithm compensation | |
8. Read out the engineering data directly | |
9. Insensitivity to pollution | |
10. Low maintenance frequency | |
11. Includes instrument configuration and data download software and USB to Bluetooth communication adapter |
Doppler aerial meterR cm blueAdopt advancedZ pulseTechnology conducts self-confidence monitoring of sea current and water temperature.R cm blueWith Bluetooth function, instrument configuration and data download can be performed through Bluetooth, which avoids the need to frequently open the instrument housing for communication and data downloading for multiple deployments, and reduces the workload of users.
The Doppler inverter acoustic Doppler principle adopts the backscattering acoustic Doppler principle, which has two orthogonal sensor axes, with two sensors on each axis.This allows it to perform bidirectional measurements on each sensor axis, and by turning on the forward measurement function, the interference of the eddy current around the sensor and the anchor chain can be greatly reduced.After the forward measurement function is enabled, only one sensor on each axis simultaneously sends acoustic pulses and receives acoustic pulses reflected from the particles, thereby measuringXAxis heelYThe orthogonal velocity component of the axis is obtained after tilt compensation.passXAxis heelYMeasurement of the axis velocity vector and the orientation of the built-in solid-state electronic compass calculate the velocity components in the north and east directions. After multiple measurements, the output flow velocity and flow direction are averaged.
Another great advantage of the instrument is that the instrument adopts advanced ZPulse technology, which improves the statistical accuracy of the measurement.Complex acoustic pulse techniques contain different frequencies in a single pulse.The received signal is divided into different frequency bands, each frequency band is transmitted to the processor as a primary pulse signal, and the changes in Doppler frequency are analyzed using a high-speed digital processor and an ARMA parameter model algorithm based on the algorithm.This multi-frequency technology reduces the number of pulses while achieving the required accuracy.During a measurement cycle, the instrument measurement accuracy is proportional to the reciprocal of the square helix of the pulse number.ZPulse technology Doppler current meter uses dual-frequency pulses, which can reduce the number of pulses to half of the single frequency when the required measurement accuracy is achieved, thereby greatly extending the battery life or shortening the measurement cycle for the same battery life, and obtaining moredata.
Note: Indicator parameters will change without notice.