

EchoLogger ECT 400S echo sounder
Single-beam, single-frequency (450 kHz) echo sounder for straightforward, high-resolution shallow-water depth surveys.
A single-beam, single-frequency echo sounder with built-in tilt/temperature sensor, harness, housing, and drone mountings.
Targets the same bathymetry, dredging and hydrology workloads as the dual-frequency models, at a single 450 kHz frequency, connecting to SkyHub via RS232.
Technical Specifications
| Type | SBES single-beam, single-frequency |
| Acoustic frequency | 450 kHz |
| Measurement range | 0.15–100 m |
What's in the kit
- EchoLogger ECT 400S echo sounder
- Harness with carabiner
- Stainless steel housing
- RS232 data cable for SkyHub
- Transport case