AEMC CA1725 [1748.10] Contact/Non-Contact Tachometer. 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. 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.