Manual Differential Counter With 5 Keys

Product Code: 18.9335

A mechanical 5 key counter with totaliser.
Designed for simplifying differential blood counts.
The 5 keys represent the normal Schilling Groups of Leucocytes.
Each stroke registers both in the unit corresponding to its pressed key and each window above.
Manually counts and displays from 0-999.
Bell will sound when a total of 100 cells are counted.
Figures can be cleared by turning the handles located on the site of the unit counter clockwise.
Weight: 1.0kg