The FNIRSI DSO-TC3 Oscilloscope is a versatile and compact 3-in-1 device that combines a handheld oscilloscope, DDS signal generator, and transistor tester into one efficient tool. With a bandwidth of 500 kHz and a sampling rate of 10 MSa/s, it delivers precise waveform representation for various electronic applications. The oscilloscope supports six different types of waveforms, allowing users to test and analyze a wide range of signals effortlessly. Its intuitive interface and portable design make it an excellent choice for engineers, technicians, and hobbyists alike. Additionally, the transistor testing feature enables users to measure and analyze various transistor types directly, enhancing the tool's functionality. Whether you’re in the lab or out in the field, the FNIRSI DSO-TC3 provides the essential features needed for effective electronic testing and diagnostics