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The HOYT AC Frequency meters available in 2-1/2", 3-1/2" and 4-1/2" models utilize the high torque bar-ring pivot and jewel mechanism with a solid state frequency network that yields ±2% accuracy of the span.
The unit was designed to be less susceptible to errors caused by waveform distortion. All frequency meters are self contained with zero and span adjustments accessible for final adjustments.
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