The FNIRSI-2C23T is a versatile 3-in-1 instrument combining an oscilloscope, digital multimeter, and signal generator, making it an essential tool for professionals, educators, enthusiasts, and families. Key Features: - Oscilloscope Mode: - Dual-channel operation with a bandwidth of 10MHz. - Real-time sampling rate of 50MSa/s and a record depth of 32kb. - Voltage measurement range of ±400V. - Automatic measurement capabilities and trigger modes (auto/normal/single). - Vertical sensitivity options from 200mV/div to 10V/div. - Waveform storage and export functionality. - Multimeter Mode: - 4-digit display with 10,000 counts. - AC voltage measurement up to 750V and DC voltage up to 999.9V. - Measures DC/AC current up to 9.999A, resistance up to 99.99MΩ, and capacitance up to 99.99mF. - Temperature measurement range of -55°C to 1300°C (-67°F to 2372°F). - Includes diode and continuity testing features. - Signal Generator Mode: - Offers waveform output frequency of up to 2MHz with 1Hz step. - Generates seven types of waveforms: sine, square, triangle, full, half, noise, and DC. - Adjustable output frequency, amplitude, and duty cycle for versatile applications. - Battery and Display: - Features a robust FPGA MCU ADC hardware architecture and a built-in high-voltage protection module. - 2.8-inch HD LCD display with a resolution of 320x240. - Equipped with a rechargeable 3000mAh battery, providing a standby time of up to 6 hours. - Charges via Type-C with a 5V/1A power adapter. Use Scenarios: 1. Educational Settings: Ideal for teaching electronics and circuit theory in schools and universities. 2. Field Testing: Compact and portable, perfect for technicians performing on-site diagnostics and repairs. 3. Hobby Projects: A valuable tool for electronics enthusiasts building and testing their own circuits. The FNIRSI-2C23T delivers performance, portability, and practicality, making it a reliable choice for various applications.