RS5 configuration
Sensor compatibility
SonTek RS5
Explore accessoriesFlow Series · SonTek RS5 Platform
Purpose-built for SonTek RS5 deployment.
Flow Finder is an autonomous surface vehicle (ASV), also known as an uncrewed surface vessel or USV. It is Surfbee’s ultra-compact platform for teams using the SonTek RS5 in shallow, low-flow and difficult-to-access measurement sites.
- Minimum operating depth
- 0.14 m
- Hull dimensions (L × W × H)
- 1.20 × 0.7 × 0.1 m
- Weight, no batteries
- 11 kg
- Top speed
- 2 m/s (3.9 kn)
- 01SonTek RS5 workflow
- 02Ultra-compact platform
- 03Shallow-site access
Mission fit
A compact platform for RS5 fieldwork.
Designed for water authorities and field teams working in irrigation channels, shallow sections and difficult-access sites.
- SonTek RS5
- Shallow water
- Compact deployment
Construction and configuration
Beyond the overview.
An alternate studio angle and two field-context views complement the three product angles above without assigning an unidentified field vessel to this model.
Purpose-built
A system centred on the SonTek RS5.
Flow Finder brings the RS5, vessel navigation and field controls into one compact measurement workflow.
RS5 workflow
Connect, configure and measure.
Prepare the instrument, configure the mission and operate from shore.
- 01
Install the RS5 mount and sensor.
- 02
Connect the required Multiport cable.
- 03
Configure the mission from the Surfbee controller.
- 04
Launch and monitor the measurement from shore.
Compact deployment
Compact platform, dedicated workflow.
Flow Finder combines the following hardware and operating capabilities.
- Inflatable PVC drop-stitch hull
- T300 brushless thrusters
- Purpose-built SonTek RS5 workflow
- GNSS antennas and front camera with LEDs
- Universal sensor mount and Multiport interface
- Surfbee transmitter, App and Heading Lock
Published specifications
Dimensions and performance.
Hull height refers to drop-stitch thickness, excluding the mast and fitted sensor. All four models use the same transport bag.
- Hull dimensions (L × W × H)
- 1.20 × 0.7 × 0.1 m
- Transport bag (L × W × H)
- 90 × 45 × 50 cm
- Weight, no batteries
- 11 kg
- Minimum operating depth
- 0.14 m
- Maximum payload
- up to 8 kg
- Top speed
- 2 m/s (3.9 kn)
- Operating temperature
- -10 °C to +45 °C
- Hull
- Inflatable PVC drop-stitch
- Thrusters
- 3 × T300 including rear centre
- Positioning
- Dual GNSS with heading, standard
- Dedicated lateral movement
- Yes
- Sensor compatibility
- SonTek RS5
Figures describe the standard product. Speed, payload and operating depth vary with the instrument fitted and the conditions on the day.
Compare the range
See how the other models differ.
Compare the mission and instrument workflow, then confirm the model, mount, cable and accessory configuration with Surfbee.
Versatile survey platform
Flow Seeker
Best suited to teams working across several survey workflows.
Compact low-flow platform
Flow Scout
Best suited to low-flow work that requires lateral control.
Multi-payload platform
Flow Duet
Best suited to multi-payload and profiling requirements.
Technical consultation
Already working with a SonTek RS5?
Send us your instrument and field requirements. We’ll confirm the vessel, mount and cable configuration.
Talk to Surfbee