Counter-Pen/Colony-Counter

Fisherbrand™ Counter-Pens can be used to count cell growth on Petri dishes, inventory parts, or tally samples received. Combination marker/digital counter suits both laboratory and plant use. Perfect as a Colony counter.

Each time a mark is made with the felt-tipped pen, the counter beeps and its easy-to-read LCD displays the count.

• Marks hold your place while counter tracks your total
• Touch, sound, and count occur simultaneously
• Cartridge is replaceable
• Counter reads to 99,999
• Fail-safe reset