Counting Pen

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Counting Pen
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  • Thomas Counter-Pen


    Counts to 99,999 Fail-safe reset Weighs only one ounce Each time a black mark is made with the felt-tipped pen, it automatically sounds a beep, and LCD displays the counts. Use it to count cell growth on petri dishes, inventory parts, and tally samples received. Touch, sound, and count occur…

  • Scienceware® Colony Counter

    Bel-Art Products

    …error, combining all aspects of counting into one motion. Fast, accurate and economical sample counting and sample count verification Stores up to 35 sample counts Verify sample counts with up/down counting Displays sum total of all colonies counted Backlit display for easy…

  • Scienceware® Electronic Colony Counter Replacement Tip

    Bel-Art Products

    Replacement red tip for old style Hand Held Electronic Colony Counter, catalog no. F37862-0000. Note: This tip does not fit the newer style colony counter, catalog no. F37862-0002.

  • Pen-Type Digital Multimeter with TRMS

    Dawson Tools

    …Voltage AC/DC Current Resistance Continuity Diodes Capacitance Frequency Duty Cycle Additional Features: 4000 count LCD display True RMS Non-Contact Voltage Detector Auto power off Data hold Backlight Worklight Low battery indicator …

  • 9 Pl. Counter Non-Lock 1X9NLT


    …have found that the use of color speeds up count. Designation Tape Your DENOMINATOR comes with preprinted Ehrlich Classifications for blood cell work, or blank tapes customizable to your application. Titles can be placed on the tape in pen, pencil or crayon. When the tape is placed on…

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