Lutron Line Frequency Monitor - LF-423
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FEATURES
* Portable line frequency monitor, easy carry out & operation.
* Wide measuring rage from 0.5 Hz to 500 Hz.
* 0.01 Hz, high resolution
* Quartz crystal time base, 0.05 %, high accuracy.
* Wide input voltage 5 to 250 ACV.
* LCD display allows clear readout even at high ambient light levels.
* Sine wave or square wave input signal are available.
* Last value, Maximum value & Minimum value with recall.
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