... 100KHz) Accuracy: 0.01Hz Analog Pulse Meter/Frequency Meter/Hz Meter(FA) Features:1, Input: various wave form pulse signal (proximity switch,photoelectrical switch or ... Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State ...