OSIL provide marine instruments and systems for environmental measurement and monitoring particularly relating to marine, coastal, dredge and meteorological applications.

OSIL supply marine instruments for water quality monitoring applications such as measuring currents, flow, waves, tides and monitoring conductivity, temperature, depth, turbidity and DO. OSIL's range of instruments include Multiparameter Sondes, ADCPs and ADVs, along with AML's CTDs and SVs.