... 0.01Hz Analog Pulse Meter/Frequency Meter/Hz Meter(FA) Features:1, Input: various wave form pulse signal (proximity switch,photoelectrical ... to equipment for control of frequency, tacho, line-speed, level, etc; The instrument has several ... Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State ...