Deckma Hamburg GmbH is the world leading provider of IMO certified 15 ppm bilge alarms. For over 40 years and with more than 60,000 units delivered, we have been helping the maritime world to actively protect the environment.Additionally, we offer a broad portfolio of industrial measurement technology. Detecting Oil in water, measuring particle sizes or sample stream turbidity, analyzing microplastics on-line and without delay, our instruments help optimise processes and prevent environmental damage.