Elenco CM1555 is a capacitance meter capable of measuring capacitance in following ranges: 2000F, 2000pF, 20nF, 200nF, 20uF, 200uF, and 20mF. It features an automatic polarity indication and a zero adjust knob to subtract stray capacitance for measurements less than 200nF. The meter also provides a low battery indication and overload protection. With a measurement rate of 2 times per second, the Elenco CM1555 is a reliable and efficient tool for measuring capacitance in various applications.