Mechanical, benchtop counters are ideal for determining the number of cells, counting parts, etc. Use with blood cell labels provided or insert your own. Each key records up to 999 count strokes. A totalising window keeps track of the total number of strokes made on all keys; a bell rings at every 100 total counts reached.
Hand tally counters
Counters colony, hand tally
Cell counters
Hand tally counters
Counters colony, hand tally
Cell counters