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Main Features at a Glance of FNIRSI 2C23T Oscilloscope Dual-Channel Oscilloscope: Independent 10 MHz bandwidth for each channel and 50MS/s sampling rate. True RMS Multimeter: 4-digit accuracy with 10,000 counts for precise measurement of voltage, current, resistance, and capacitance. Signal Generator: Capable of generating 7 different waveform types with output frequency up to 2 MHz. Waveform Storage and Transfer: Ability to save screenshots of waveforms and transfer them to a computer via Type-C port. Efficient and Portable Design: Equipped with a built-in 3000mAh battery with up to 6 hours standby time and a 2.8-inch display. Overview of FNIRSI 2C23T Oscilloscope The FNIRSI 2C23T is a digital, portable, three-in-one measuring device designed for electronics repair and development professionals. This device integrates three key tools into one compact body: Oscilloscope: A dual-channel digital oscilloscope with FPGA+MCU+ADC hardware architecture, 50MS/s sampling rate, and 10MHz analog bandwidth per channel. It supports voltage measurement up to ±400V and offers waveform storage and review. Multimeter: A 10,000-count True RMS multimeter enabling accurate measurement of AC/DC voltage and current, resistance, capacitance, diode testing, and continuity testing. Signal Generator: An internal DDS signal generator capable of producing 7 practical waveform types with adjustable frequency, amplitude, and duty cycle up to 2MHz. This device features a 2.8-inch LCD, rechargeable 3000mAh lithium battery, and compact dimensions, making it an ideal and efficient tool for engineers, students, and electronics enthusiasts. Technical Specifications Table of FNIRSI 2C23T Oscilloscope Specification Value Brand FNIRSI Model 2C23T Display 2.8-inch color HD Resolution 320x240 Charging Port TYPE-C (5V/1A) Battery Lithium 3000mAh Supported Functions Oscilloscope, Signal Generator, Multimeter Language English Standby Time 6 hours (laboratory conditions) Dimensions 167x89x35 mm Weight 300 g Oscilloscope Parameters Specification Value Channels Dual-channel Sampling Rate 50MS/s Analog Bandwidth 10MHz (independent per channel) Storage Depth 32kb Input Impedance 1MΩ Time Base Range 50ns-10s Vertical Sensitivity 20mV/div - 10V/div (X1) Maximum Measurable Voltage ±400V Trigger Mode Auto / Normal / Single Trigger Type Rising Edge / Falling Edge Display Mode YT / Scroll Coupling AC/DC Waveform Screenshot Storage Yes Waveform Image Output Yes Hardware Architecture High-performance hardware architecture (FPGA+ADC+MCU) for capturing waveform details without loss Trigger Function Equipped with full trigger functionality (auto, single, normal) Auto Set Efficient auto set for waveform display without complex adjustments Waveform Storage and Output Capability to save waveform screenshots and transfer images to a computer for secondary analysis Multimeter Functions Feature Description Measurement Type True RMS measurement with 9999 counts Measurable Parameters Voltage, current, capacitance, resistance, diode, continuity test (On/Off), live wire detection Maximum Input Voltage AC voltage: 750V, DC voltage: 1000V Smart Features Automatic Range, Smart Burnout Protection Display Features Data Hold, Color digital display Multimeter Parameters DC Voltage AC Voltage 9.999V / 99.99V / 750.0V - Accuracy: ±(1%+3) DC Current 9999μA / 99.99mA / 999.9mA / 9.999A - Accuracy: ±(1.2%+3) AC Current 9999μA / 99.99mA / 999.9mA / 9.999A - Accuracy: ±(1.5%+3) Resistance Up to 9.999MΩ Accuracy: ±(0.5%+3) / Up to 99.99MΩ Accuracy: ±(1.5%+3) Capacitance Up to 999.9μF Accuracy: ±(2.0%+5) / Up to 99.99mF Accuracy: ±(5.0%+20) Temperature (-551300°C) / (-672372°F) - Accuracy: ±(2.5%+5) Diode Test Yes Continuity Test (Buzzer) Yes Live Wire Detection (Phase) Yes Signal Generator Functions Feature Description Number of Waveforms 7 types: Sine, Square, Triangle, Full Wave, Half Wave, Noise, DC Output Frequency 1Hz to 2MHz Output Amplitude 0.1V to 3.3V Duty Cycle 0% to 100% Comprehensive Review of FNIRSI 2C23T Oscilloscope In-depth Analysis of the FNIRSI 2C23T Portable Three-in-One Oscilloscope The FNIRSI 2C23T handheld oscilloscope is a combined measuring tool that integrates three essential devices (oscilloscope, multimeter, and function generator) into one portable unit, eliminating the need to carry multiple instruments. This device is specifically designed for repair technicians, engineering students, and DIY enthusiasts seeking high performance at an affordable price. The FPGA+MCU+ADC hardware architecture ensures stable operation and fast signal processing. Applications, Strengths, and Limitations Key Strengths: Triple Combination: The main advantage of this device is the integration of three practical tools, saving cost and space. Dual-Channel Oscilloscope: Unlike many single-channel models in its class, the 2C23T allows simultaneous comparison of two signals, which is crucial for electronic circuit analysis. Portability: With a built-in 3000mAh battery and compact size, this device is ideal for on-site troubleshooting and field applications. Ease of Use: Simple user interface and automatic trigger mode (AUTO) allow beginners to quickly view waveforms without complex settings. Limitations: The 10 MHz bandwidth of this oscilloscope is sufficient for general electronics, switching power supply repair, audio circuits, and mid-level microcontroller projects. However, it is not suitable for high-frequency signal analysis (such as RF communications or high-speed data buses), and professional users in these fields should consider models with higher bandwidth. Buying Guide and Pricing for FNIRSI 2C23T Handheld Oscilloscope When purchasing the FNIRSI 2C23T handheld oscilloscope, carefully assess your usage needs. This product strikes a very good balance between features, portability, and price. If your work involves repairing electronic boards, Arduino projects, and mid-level analog electronics, the 2C23T is a smart and economical choice. Its price makes it an attractive option to replace three separate devices and offers high value for small workshops, educational environments, and personal use. Who is the FNIRSI 2C23T Portable Oscilloscope Suitable For? Students in electrical, electronics, and mechatronics engineering. Electronic equipment repair technicians, home appliance repair, and PCB technicians. Electronics enthusiasts and DIY project makers. Small workshops and technical service centers. Educational institutions and vocational technical schools. Engineers and designers for initial circuit troubleshooting. Professionals in robotics and embedded systems fields.

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