Counter Pen

  • The ideal cell growth colony counter
  • Combination marker and digital counter designed for the lab and plant
  • Sound and count occur simultaneously when black mark is made with felt-tipped pen
  • Essential for counting cell growth on petri dishes, inventory parts, and tally samples received
  • Pen marks hold place if interrupted and counter holds total


Supplied With Replaceable pen, cap, battery


Each time a black mark is made with the felt-tipped pen, it automatically sounds a beep, and LCD displays the counts.

Touch, sound, and count occur simultaneously. Impossible to make an error, even when interrupted—marks hold your place and counter holds your total. Durable ABS plastic unit provides audio/visual counts to 99999 with reset button, on/off switch, and pen cap. Size is 6 x 2/3 inches and weight is 1 ounce. Replacement pen cartridge Cat. No. 3135. Replacement battery Cat. No. 1104

Additional information

Weight 0.062 lbs

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