... :0.01Hz--100KHz(max 100KHz) Accuracy: 0.01Hz Analog Pulse Meter/Frequency Meter/Hz Meter(FA) Features:1, Input: various wave ... : 0.01Hz. Applicable to equipment for control of frequency, tacho, line-speed, level, etc; The instrument has several parameters setting function ... demical point switched automatically; Opical isolation for input and output,high anti-interference.4, Output: up to 3 alarm output ...