... flow measurement,such as pulse width detection, duty cycle inspection, etc. .Parameters settable, easy operation. Specifications: Input: various waveform pulse(square wave,triangle wave ... Model and TypeOutputPresetDisplaySizeNoteFA4-4NB No output 0 preset 0.1-9999 ... Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, ...