PIE 541 Practical Instrument Electronics Frequency Process Calibrator


PIE 541 Datasheet (PDF)



Frequency calibrator with totalizer. Comes with carrying case, test leads and NIST certifictae.

SKU: PIE 541

Click this option if you need the BNC Connector Model


PIE 541 Practical Instrument Electronics Frequency Process Calibrator

PIE 541 Datasheet (PDF)


Totalizer Function:

The PIE 541 Frequency Calibrator is designed for calibration, testing, and diagnosing turbine meters, frequency counters, vibration systems, tachometers, vortex shedders, integrators, and any other frequency devices in the shop, plant or field. Save hours of time compared to other calibration methods. When calibrating a totalizer, the Model 541 eliminates the need of a stop watch. Set the number of pulses and number of minutes required and it automatically stops when the selected number of pulses has been sent to the totalizer! The PIE 541 has a handy LED indicator showing gate time for easy trigger level adjustment. The LED also pulses with the frequency output for calibration of optical pickups.



  • Accuracy: ± 0.005% of range
  • 5 ranges from 1 CPH (Count-Per-Hour) to 20.000 KHz for source and read
  • Totalize inputs/outputs from 1 to 99999 pulses in 1.0 to 100.0 minutes.
  • Read a wide range of frequencies and waveforms from 50 mV to 120V peak.
  • Source sine and square waves with zero based or zero crossing waveforms.
  • Adjustable output amplitude from 100 mV to 12 V peak-to-peak.
  • Gate trigger LED flashes in synch with the output frequency to calibrate optical pickups. This also allows easy adjustment of the attenuation for proper gate triggering.
  • EZ-Dial™ knob easily adjusts output by 1; press down and while turning the knob for a faster dialing speed
  • EZ-Check™ switch for instant 0% and 100% span adjustments
  • Store new EZ-Check™ values by pressing the EZ-Dial™ knob
  • Uses a standard 9V Alkaline battery with easy access to the battery compartment
  • Superior battery life of 45 hours under typical continuous usage
  • Small, tough and protected to 60V
  • Carrying case included and optional Test Data available
  • NIST Traceable Calibration Certificate included FREE


PIE 541 Additional Information:

Weight 2 lbs
Dimensions 10.75 × 5.25 × 4.0 in

Additional information

Weight 5 lbs
Dimensions 10 × 7 × 8 in

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