Misc. Instruments

Clinometer

The Clinometer is a mechanical, rugged instrument for the determination of the length of rope needed to operate towed devices at a certain depth. The angle of inclination of the towing rope is determined by aligning the slit of the Clinometer to the towing rope. The current depth (X) of the …

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Visibility Disc Secchi

Water transparency determination in lakes and oceans The Visibility Disc acc. to Secchi is a white lacquered brass disk with a diameter of 200 mm and a weight of 1.7 kg. It is an easy-to-use instrument for standard monitoring of water transparency in lakes and oceans. The standard Visibility Disc …

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V-Fin Depressor

Inverse vane for horizontal plankton nets The V-Fin Depressor gives negative lift to the towing rope during horizontal or oblique plankton net operation. This also stabilises the net in the water and allows for good sampling results. It consists of a lead-weighted body and a stainless steel rope with shackle. …

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Hand Winch

A useful tool to operate hydrometric and limnological instruments The winch is made of sea-waterproof aluminium and additionally protected against corrosion by an enamel finish. A counting wheel allows to read out the length of wire paid out. Zero setting is possible. The rope can be fixed at any desired …

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ICES Incubator

ICES standard for phytoplankton primary production measurements One of the most important marine processes is the formation of organic material resulting from the interaction of carbon dioxide, water and sunlight, a process known as photosynthesis. The ability to measure this process is of great importance when assessing marine pelagic systems. …

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