“Petri-Light” Viewer

for colony counting - Plexiglas rest surface with cm graduation scale - cold-light indirect fluorescent lighting - magnifying glass adjustable for correct positioning - adapters for 60, 90, 100 and 120 mm diam. Petri dishes - complete with switch, electrical cable and plug - weight 2 kg - dim.: 230x230x100 h mm - power supply: 220 V, 50 Hz (counting pen not included).

“Colony-Count” Colony Counting Pen

electronic colony counter - 4-figure digital display, sound alarm for end of count and reset button - for use with "Petri-Light" and "Mini Light Box" viewers.

"Colony-Count" weighs only 24 g and is no strain to on the hand event after many long counting sessions. Uses indelible ink suitable for writing on glass or plastic Petri dishes.