Counters

Frequency, time, and photon counters designed for precise measurements in electronics, optics, and research. The range includes universal frequency counters, time-interval counters, photon counters, and multichannel scalers with high resolution, fast acquisition and stable frequency references. Suitable for laboratories, calibration, optical experiments and advanced measurement applications.
BK Precision BK1820B Series Universal Frequency Counter
BK Precision BK1820B Series Universal Frequency Counter
SRS SR400 Photon Counter - Dual channel
SRS SR400 Photon Counter - Dual channel
SRS SR430 Multichannel Scaler/Averager
SRS SR430 Multichannel Scaler/Averager
SRS SR620 — Time interval and frequency counter
SRS SR620 — Time interval and frequency counter
SRS SR625 — Frequency counter with Rb timebase
SRS SR625 — Frequency counter with Rb timebase