RiverSurveyor S5 and M9 Acoustic Doppler Current Meter
The RiverSurveyor M9 and S5 are the next generation of acoustic doppler for measuring open channel flow. Using SonTek’s exclusive multiple acoustic frequencies allows continuous shallow-to-deep discharge measurements. A range of new technologies means you can focus on the measurement, not the instrument setup. In addition to this the system has a vertical beam for precise channel definition and it's all designed to work intuitively
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Have a question about your RiverSurveyor S5 and M9 Acoustic Doppler Current Meter? Check out the support page with resources compiled just for you.
Need service for your system? Here you’ll find authorized service centers and instructions on how to get the service you need.
We have a large pool of water quality and hydrology instruments available to you for rental.
The SonTek S5 / M9 use Multi-Band Acoustic Frequencies to balance the highest resolution with the great range of depths.
Vertical acoustic beam give superior channel definition and extends the maximum measureable discharge depth.
Features SmartPulseHD*, an intelligent algorithm that looks at water depth, velocity and turbulance, to acoustically adapt to those conditions using pulse-coherent, broadband and incoherent techniques. High definition cells cell sizes down to 2cm.
* SmartPulse HD is not available in Norway, Canada, Germany, United Kingdom, France and Japan until September 26th 2011
| S5 | M9 | |
| Velocity Measurement | ||
| Profiling Range (Distance) | 0.06 to 5m | 0.06 to 40m |
| Profiling Range (Velocity) | ±20 m/s | ±20 m/s |
| Accuracy | ±0.25% of measured velocity | ±0.25% of measured velocity |
| Resolution | 0.001 m/s | 0.001 m/s |
| Number of Cells | Up to 128 | Up to 128 |
| Cell Size | 0.02 to 0.5m | 0.02 to 4m |
| Transducer Configuration | Five (5) Transducers 4-beam 3.0 MHz Janus at 25° Slant Angle 1.0 MHz Vertical Beam |
Nine (9) Transducers Dual 4-beam 3.0 MHz/1.0 MHz Janus at 25° Slant Angle 0.5 MHz Vertical Beam |
| Depth Measurement | ||
| Range | 0.20 to 15 m | 0.20 to 80m |
| Accuracy | 1% | 1% |
| Resolution | 0.001 m | 0.001 m |
| Discharge Measurement | ||
| Range with Bottom-Track | 0.3 to 5m | 0.3 to 40m |
| Range with RTK GPS | 0.3 to 15 m | 0.3 to 80 m |
| Computations | Internal | Internal |