The LCR400 is a handheld digital LCR meter from Aim-TTi. It is designed to measure inductance, capacitance, and resistance. It is capable of testing components quickly and accurately, with a wide range of test frequencies from 10 Hz to 400 kHz and various test functions such as post-measurement log, auto-ranging, and digital display. It also features a graphical display, extension test cable, buzzer, and a built-in rechargeable battery. It is a very versatile and lightweight device, making it ideal for engineers, technicians, and students.