This is the recommended replacement for the following Altek Calibrators:
The Practical Instrument Electronics (PIE) 541 is the best tool for calibration, test, and diagnosing turbine meters, frequency counters, vibration systems, tachometers, vortex shedders, integrators, and any other Frequency devices in the shop, plant and/or field. The PIE 541 brings all the features you would expect from a frequency calibrator and timesaving new ones.
The PIE 541 comes with an LED indicator showing gate time for easy trigger level adjustment. Make adjustments with the EZ-Dial Knob or test limits with the dual action EZ-Check Switch. Save hours of troubleshooting time on problems when compared to other calibration methods. When calibrating a totalizer, the PIE 541 eliminates the need of a stop watch. This calibrator will automatically stop when the selected number of pulses has been sent to the totalizer.
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