The MTJR2S00 is a 5-digit Multi-function Counter with excellent performance is coupled. The MAXjr Tach 2 rate/ratio/time interval controller (115/230VAC) rate indicator/controller performs the basic rate or speed measurement functions. Programmable calibration factor and decimal point allow speed to be displayed in units such as feet/minute and gallons/minute. Combining high accuracy measurement with alarm capability, built-in diagnostics, large, bright LED display, simple programming and compact size makes the MAXjr Tachs a best value.