Frequency Counters
Frequency Counters
Fisherbrand™ Key-Chain/Wrist-Strap/Belt-Clip Digital Counter
Designed for ease-of-use and failsafe counting
Fisherbrand™ Counter Pen
Touch, sound, and count simultaneously.
Fisherbrand™ Digital Key-Chain Wristband Counter
Lightweight and easy to use.
Eisco™ Two Speed Ticker Taper Timer Set
Helps students to visualize distance, velocity, and acceleration versus time.
Thomas Scientific Hand Talley Counter
Metal construction for long life Single-hand use Quick manual counting
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.
Cole-Parmer Cole-Parmer Digital Counter Pen
Counter-Pen is a combination marker and digital counter designed for the lab and plant. Use it to count cell growth on petri dishes, inventory parts, and tally samples received. Counter beeps each time a mark is made ensuring an accurate tally. LCD simultaneously displays total and can be reset at the touch of a button. Durable ABS plastic pen features on/off switch and comes with cap. Unit measures 6''L x 2/3'' dia (15.2 x 1.5 cm), weighs only 1 oz.
Andwin Scientific PCV Easy Read Cell Counting System, No Caps, Capillary Graduations, 50/pk
PCV Easy Read Cell Counting System, No Caps, Capillary Graduations, 50/pk
AC Recording Timer Accessories: Carbon Discs
Accessory for AC Recording Timer.