Counters

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  • Image of Thomas Counter-Pen

    Thomas Counter-Pen

    Item #: 1230N19
    Easy to read LCD 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...
  • Image of Thomas Digital Counter

    Thomas Digital Counter

    Item #: 1235C38
    Counts to 99,999 Digital counter fits in your hand or can stand on benchtop. Fail-safe design eliminates accidental resetting. ABS plastic case stands up to lab and plant environments. Features include water resistance, shock resistance and an O-ring seal. Size is 2 2/3” x 1...
  • Image of Thomas Digital Key-Chain, Wristband Counter

    Thomas Digital Key-Chain, Wristband Counter

    Item #: 1230N18
    Weighs less than an ounce Easy to read LCD Counts to 99,999 Fail-safe reset Key-Chain/Wrist-Strap/Carabiner Digital Counter is designed for ease-of-use and fail-safe counting. Features include display count to 99,999, two year constant use battery, water-resistant, O-ring-sealed with...
  • Image of Thomas Hand Talley Counter

    Thomas Hand Talley Counter

    Item #: 1235C37
    Metal construction for long life Single-hand use Quick manual counting
  • Image of Automatic Colony Counter

    Automatic Colony Counter

    Item #: 3298D75
    Non-glare illumination Reversible background Audible count verification The uniform pressure sensor system detects colony counts at the periphery as well as the center of petri dishes up to 150 mm in diameter. Use any pen or optional counting probe. A 30-watt circular fluorescent lamp provides...
  • Image of Bacteria Counter

    Bacteria Counter

    Item #: 3298S22
    With improved Neubauer ruling; similar in construction to the Levy-Hausser blood counting chamber, but with cell depth of 0.02 mm Slide is 75 x 31 mm overall; 1.5 mm thick. The 0.02 mm cell depth and 18-0.25 mm cover glass thickness permit use of an oil immersion objective. Supplied with one cover...
  • Image of Bright-Line Reichert Hemacytometers

    Bright-Line Reichert Hemacytometers

    Item #: 5972H15
    In pocket-size polyethylene case with snap cover Includes 5971R10 Counting Chamber with two improved Neubauer rulings, two 0.4 mm cover glasses in removable polyethylene container and two Thomas diluting pipets, one for red and one for white cells.
  • Image of ColonyDoc-It Imaging Station

    ColonyDoc-It Imaging Station

    Visualize White Light and Fluorescent Colonies The innovative, compact design provides automated, fast and accurate colony counting capabilities. The high resolution digital color camera is specifically designed to capture white light and fluorescent marked colonies and a wide array of samples. The...
  • Image of Darkfield Quebec Colony Counter

    Darkfield Quebec Colony Counter

    Reichert, Dark Field Standard Colony Counter Provides even glare-free illumination of round or square Petri dishes Contrasted against the dark field background colonies are bright and readily distinguished from other structures in the agar A highly polished, annular reflector spreads light...
  • Image of Digital Hand Tally

    Digital Hand Tally

    Item #: 3297H50
    Finger ring for comfortable fit Registers to 9999; also has zero reset knob
  • Image of Double Unit Laboratory Counter

    Double Unit Laboratory Counter

    Item #: 3297J60
    Used for blood cell and corpuscle counts or wherever double counting is required Two registers each registers to 9999 Large, rectangular pushbuttons and zero reset knob on both sides Pushbuttons for the two independent registers are color-coded, and both sides are reset simultaneously by either knob
  • Image of Scienceware® Electronic Colony Counter Replacement Tip

    Scienceware® Electronic Colony Counter Replacement Tip

    Replacement tips for the Scienceware® Electronic Colony Counter
  • Image of Microprocessor-Controlled Differential Cell Counters

    Microprocessor-Controlled Differential Cell Counters

    Diffcount™ III Compact keyboard with “soft-touch” keys Provides fast counts with much less fatigue All entries register with audible clicks With count correction All counting channels and total count are simultaneously displayed with larger digits on bright, backlit LCD. Count up...
  • Placeholder Image for Multiple Unit Counters Without Totalizers

    Multiple Unit Counters Without Totalizers

    For rapid and accurate counting of multiple factors Wide steel base plate for desk or benchtop mounting Color-coded buttons All counters register to 999 Counters without totalizers offer inexpensive multiple counting
  • Image of Multiple Unit Counters With Totalizers

    Multiple Unit Counters With Totalizers

    For obtaining counts automatically as percentage Wide steel base plate for desk or benchtop mounting Color-coded buttons All counters and totalizers register to 999 Quickly and accurately obtain differential blood cell, bone marrow, chamber and other laboratory counts. Locking totalizers lock all...
  • Image of Quebec Darkfield Colony Counter

    Quebec Darkfield Colony Counter

    Reichert,dark field counter with electronic register Similar to 3298A80 but with built-in electronic register that is operated by needle- point probe or push button counter Reset bar provides immediate zeroing of the five-digit counter Sparse colonies can be counted rapidly using 3298C85 Push-...
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