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SonTek RiverSurveyor S5 and M9 Acoustic Doppler Current Meter

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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

SonTek M9


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Have a question about your SonTek RiverSurveyor S5 and M9 Acoustic Doppler Current Meter? Check out the support page with resources compiled just for you.

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We have a large pool of water quality and hydrology instruments available to you for rental.


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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

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