HY1620 Dual Frequency echosounder, the latest generation of dual frequency survey echo sounderbrings into use the best of available technologies in high-resolution thermal printing, microprocessor and DSP techniques, and LCD screen graphic displays. The all-in-one unit is housed in one portable, spash-proof case and suited to table top, bulkhead or bulkhead or reck mounting for use in the shallows of rivers and harbors.

- Application
Specifications:
Operating frequency: 208KHz/24KHz
Survey Range: 0.3-200m@208KHz
0.5-1200m@24KHz
Resolution: 1cm for 0.3-200m
5cm for 200-1200m
Accuracy: 0.01m ± 0.1% of depth @200KHz
0.10m ± 0.1% of depth @24KHz
Recording style: 216mm, 8dots/mm, 16 gray shades
Thermal printing, LCD displaying