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Flow Series

A versatile platform for water measurement.

Flow Seeker is an autonomous surface vehicle (ASV), also known as an uncrewed surface vessel or USV. It is Surfbee’s versatile platform for ADCP measurements, bathymetry and environmental surveying across a wide range of field conditions.

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Flow Seeker viewed from the front-left, showing the sensor mount and control enclosure
Versatile survey platformFlow Seeker
Minimum operating depth
0.25 m
Hull dimensions (L × W × H)
1.65 × 0.75 × 0.1 m
Weight, no batteries
13.5 kg
Top speed
4 m/s (7.8 kn)
  1. 01ADCP measurement
  2. 02Autonomous bathymetry
  3. 03Environmental surveying

Mission fit

For ADCP, bathymetry and environmental survey work.

The modular, inflatable platform supports work in rivers, lakes and environmental monitoring sites, with shore-based operation for suitable field conditions.

  • Flow measurement
  • Bathymetry
  • Environmental monitoring

Versatile by design

A practical choice across varied survey workflows.

Flow Seeker is the general-purpose model in the Flow Series for teams working across ADCP, bathymetry and environmental monitoring.

Field workflow

Prepare the system for the mission.

Prepare the instrument, configure the mission and operate from shore.

  1. 01

    Assemble the vessel and install the Surfbee pod.

  2. 02

    Mount and connect the selected sensor.

  3. 03

    Connect the controller and configure the mission.

  4. 04

    Launch, monitor and collect data from shore.

Platform architecture

Core platform components.

Flow Seeker combines the following hardware and operating capabilities.

  • Inflatable PVC drop-stitch hull
  • T600 brushless thrusters
  • Surfbee pod for batteries and autopilot
  • GNSS antennas and front camera with LEDs
  • Universal sensor and accessory mounts
  • Manual and autonomous modes, telemetry and Return to Launch

Sensor workflow

Sensor compatibility

SonTek M9, SonTek RS5, SonTek S5, SonTek PCM, Teledyne RiverPro, YSI EXO sonde, Airmar SS510 EchoRange+, Cerulean Sonar Sounder S500

Coming soon: integration with Cerulean Sonar Omniscan 450 SS side scan and Cerulean Sonar Surveyor 240-16 MBES multibeam. Model availability will be confirmed at release.

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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)
1.65 × 0.75 × 0.1 m
Transport bag (L × W × H)
90 × 45 × 50 cm
Weight, no batteries
13.5 kg
Minimum operating depth
0.25 m
Maximum payload
up to 10 kg
Top speed
4 m/s (7.8 kn)
Operating temperature
-10 °C to +45 °C
Hull
Inflatable PVC drop-stitch
Thrusters
2 × T600 plus T300 rear centre
Positioning
Dual GNSS with heading, standard
Dedicated lateral movement
No
Sensor compatibility
SonTek M9, SonTek RS5, SonTek S5, SonTek PCM, Teledyne RiverPro, YSI EXO sonde, Airmar SS510 EchoRange+, Cerulean Sonar Sounder S500

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.

Compact low-flow platform

Flow Scout

Best suited to low-flow work that requires lateral control.

Ultra-compact platform

Flow Finder

Best suited to fieldwork centred on the SonTek RS5.

Multi-payload platform

Flow Duet

Best suited to multi-payload and profiling requirements.

Compare all four models

Technical consultation

Review a Flow Seeker configuration.

Tell us about the waterway, instrument and measurement goal. The team can review the vessel and accessory setup with you.

Talk to Surfbee