Counting Chamber for Zooplankton

Made of plexiglass with polished bottom for the best transparency. This new developed chamber allows the examination of zooplankton with a stereo microscope. The chamber is similar to the Bogorov-Trough, but due to its dimensions it ca be used on a normal mechanical stage.

No. 435 010 Dimensions 40 x 70 mm, approx. 9ml
No. 435 011 Dimensions 80 x 100 mm, approx. 22ml
No. 435 012 Dimensions 85 x 140 mm, approx. 70ml

Modified Counting Chamber for Ballast Water acc. to Gollasch

With the separated counting fields different samples can be counted at the same time ( even in heavy seas) .

No. 435 013: Dimensions 80 x 100 mm, 12 Fields ca. 3, 0 ml
No. 435 014: Dimensions 80 x 100 mm, 30 Fields ca. 0, 3 ml