The ergonomically designed ColonyCount V is intended for evaluation of petri dishes of max. 120 mm. LED background and side illumination can be adjusted for dazzle-free working. An acoustic and an optical signal are registered and can be saved in compliance with GLP or output via an optional printer. The scope of delivery comprises a magnifying glass with flexible holder, a Wolffhügel disc, an adapter for 90 mm petri dishes and an operating manual on CD.