products for measuring the discharge in rivers, tidal channels, lagoon mouths,

CTDs & sensors, current - wave & tide meters, automated buoys, samplers, etc.

SS Sonars, SBPs, printers, altimeters, beacons, modems, etc.

echosounders, wave & tide recorders, (D)GPS, L-band satellite receivers, etc.

products for shipboard use

products for laboratory use