The Autonics MT4N series panel meter is a small-sized instrument with various functions such as AC frequency measuring function, zero adjustment function and transmission output scale function. The MT4N series realizes high resolution of 1/12,000 and color changeable LCD display to increase visibility; in addition, its compact size makes space saving installation possible. Also, wide display range from 1999 to 9999 and various output options are essential characteristics of MT4N series.