The AEMC CA1725 handheld instrument measures up to 100,000 RPM using infrared measurement. A combination digital/analog bar graph LCD displays the measurement clearly and accurately. Other features include auto or manual range selection, smoothing, min/max recording and hold functions. Count, alarm and print functions are also provided. An accessory kit of three mechanical adapters for the AEMC CA-1725 allows for direct connection and measurement to rotating shafts and other devices.

Hi and Lo alarm levels are programmable as well as display multiplier coefficient "K" (scale factor). RS-232 communication is standard for printer or computer interfacing. The CA27 is supplied in a carrying case with 15 reflector strips, 9V Alkaline battery and a user manual.