Surfbee is designed specifically to work with ADCPs, including the SonTek-RS5 and M9, for accurate flow profiling and bathymetry, and can also equip any YSI EXO Sonde for spatial water quality. Surfbee collects multi-sensor data with custom payloads for integrated spatially and temporally-aligned data sets.
Key Features
- Autonomous operation via Surfbee App
- One-click bathymetry, flow, and quality data
- Touchscreen viewing and easy PC export
- Sensor-agnostic for ADCPs and sondes
- Lightweight design, 4 m/s max speed
- Operates in fast-moving water
- Dual GNSS with built-in heading
- Durable build with steering redundancy
- Long-range, dust- and water-resistant transmitter
- Reduces manual measurements for safer work
Surfbee is available in two models:
Flow Seeker is the daily driver and workhorse designed for a wide range of gauging sections. It is maneuverable, portable, fast, and can handle tricky situations.

Flow Scout excels in shallow waters with its three underwater thrusters. It features autonomous lateral movement for exceptional maneuverability in challenging conditions like high winds or slow-moving channels.

Surfbee Accessories
Flow Sled is a robust floating module that attaches to the Flow Seeker to provide increased vessel stability and performance in challenging flow conditions. It can be deflated for easy to storage and transportation.
