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PIE Frequency Equipment

The PIE Model 541 is the industry's premier handheld Frequency Calibrator. The unit features long battery life, rugged design, and a gate-time LED. The 541 can trigger up to 120V in read mode and can generate waves with amplitude of up to 12V in source mode. The unit also operates in a counting operation.

The Model 541 can function as a totalizer with a user-defined stop time, eliminating the need for a stopwatch.

MODEL 541
Frequency Calibrator
with Totalizer 



An experienced manufacturer of calibration
equipment for the process industry.