A tool for testing and diagnosing frequency devices, the Saelig PIE 541 frequency calibrator with totalizer offers an accuracy of +/-0.005% of range. It reads signal frequencies and waveforms from 50mV to 120V peak. The calibrator is used with frequency counters, vibration systems, tachometers, flow meters, vortex shedders, integrators and other devices with frequencies from 1 cycle/hr. to 20,0000 kHz.

Saelig Company, Inc.; 888-772-3544; www.saelig.com