Frequency Counters
Fisherbrand™ Counter-Pen/Colony-Counter
Combination marker/digital counter suits both laboratory and plant use
Fisherbrand™ Key-Chain/Wrist-Strap/Belt-Clip Digital Counter
Designed for ease-of-use and failsafe counting
Eisco™ Two Speed Ticker Taper Timer Set
Two Speed Ticker Taper Timer Set helps students to visualize distance, velocity, and acceleration versus time.
Fisherbrand™ Digital Key-Chain Wristband Counter
Lightweight and easy to use Digital Key-Chain Wristband Counter.
AC Recording Timer Accessories: Carbon Discs
Accessory for AC Recording Timer.
Denominator Company MULTI TALLY COUNTER 4 COUNTER
MT1x4 has one row with four counting buttons- rugged, reliable Denominator Tally Counters are appropriate for many uses. Biomechanically-engineered ergonomic design facilitates repetitive motion.
Hach Company Counter-Hand-Tally
For quick and accurate counting of colonies of bacteria and drops from pipets Tallies up to 9999 and resets easily to zero Mounted in 51 mm (2in ) case Aristo
Electron Microscopy Sciences One Counting Unit Tally Counter
Chrome plated lab counter with counter with a flange (2 1/2" dia) for desktop mounting. Recording lever is on the right side and the reset knob on the top. The counter is ideal for serial sectioning work.
Med Vet International Hand Held Tally Counter, J0505
Used for counting blood cells, bacteria colonies, drops of liquid or any repetitive event. Tallies up to 9,999. Features a quick reset button and a finger ring for a secure grip. Sturdy, chrome-finish metal construction.
Enterprise Technology Solutions Sparco Tally Counter, w/ Finger Ring, 4 Figure, Steel, Silver
Tally counter offers a four-figure register, finger ring to hold it comfortably and automatic reset button. White numbers are easy to see on a black background. Steel tally counter is chrome-plated and precision-engineered. Register ranges from 0000 to 9999.
Enterprise Technology Solutions Sparco Tally Counter With Base, Steel, Chrome-plated, Silver
Tally counter with base offers a four-figure register, a finger ring to hold it comfortably and an automatic reset button. White numbers are easy to see on a black background. Chrome-plated, precision-engineered steel tally counter is easy to remove from its base with a Phillips Head screwdriver.
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