Frequency Counters

Fisher Scientific™ Counter Pen Products for Science Education

Touch, sound, and count simultaneously.

Fisherbrand™ Counter-Pen

Combination marker/digital counter suits both laboratory and plant use

EISCO Ticker Tape Timer Accessory, Paper Tape Roll Products for Science Education

Convenient replacement roll tape.

Fisherbrand™ Key-Chain/Wrist-Strap/Belt-Clip Digital Counter

Designed for ease-of-use and failsafe counting

EISCO Two Speed Ticker Taper Timer Set Products for Science Education

Helps students to visualize distance, velocity, and acceleration versus time.

AC Recording Timer Accessories: Carbon Discs Products for Science Education

Accesory for AC Recording Timer.

AC Recording Timer Products for Science Education

Very accurate for measuring speed and acceleration of a moving body.