An accurate way to calibrate a frequency source is to use a high-resolution counter/timer to measure the beat frequency, or phase difference, between the source to be calibrated and a reference such ...

Two USB pulse counter/timer data-acquisition devices from Measurement Computing offer four or eight channels supporting high-level input modes like totalize, period measurement, pulse-width ...

Model USB-CTR-15 embedded digital counter/timer board board is packaged in a small, rugged, industrial enclosure and features 15 independent 16-bit counter/timers. This USB device is an ideal solution ...

Two multifunction I/O modules feature both digital I/O and counter/timer functions on a single PMC module. The PMC424 provides 40 digital I/O channels for transistor-transistor logic (TTL) and ...