The ST2821 LCR Meter series is a portable LCR meter with MPU control. It can measure the following 6 parameters: L,C,R, |Z|,D and Q with a 0.3% basic accuracy, 3 meas/sec measurement rate and suitable 4 Bins comparator. The use of a complete 4-terminal measurement makes it possible for accurate low dissipation capacitor measurements with a portable LCR meter. This portable LCR meter can be used instead of a general purpose low frequency LCR meter. With the battery and external power supply, the ST2821 Series is ideal for field and portable applications such as fixed place component inspection and immediate measurement by buyers and maintenance personnel.