... with linear output and other testing equipments to measure current, frequency, tacho, linespeed, etc.2). With decimal point setting, rate, ... ammeter, tachometer and line speed.Equipped with all kinds of frequency meter and other testing sensors. Measured functionEquipped with all kinds ... testing sensors.Input signalCurrent: 4 ~ 20mA, 0 ~ 10mA, Voltage: 0 ~ 10V, 0 ~ 5V, 0 ~ 1V, 0 ~ 200mV, 0 ~ ...