FNIRSI-2C53T is a versatile and highly practical three-in-one dual-channel digital oscilloscope launched by FNIRSI, designed for professionals in the maintenance and research industries. This device combines the functionalities of an oscilloscope, a multimeter, and a signal generator. The oscilloscope uses FPGA + ARM + ADC hardware architecture, featuring a 250MS/s sampling rate, a 50MHz analog bandwidth, and an integrated high-voltage protection module that supports peak voltage measurements up to ±400V. It also supports waveform screenshot saving and viewing for secondary analysis.The multimeter function offers 4.5 digits with 19999 counts true RMS, supporting AC/DC voltage and current measurements, as well as capacitance, resistance, diode, and continuity measurements, making it an ideal multifunctional instrument for professionals, factories, schools, enthusiasts, or home use.The built-in DDS function signal generator can output 13 types of function signals, with a maximum output frequency of 50KHz and a step size of 1Hz. The output frequency, amplitude, and duty cycle are adjustable. It features a 2.8-inch 320*240 resolution high-definition LCD screen and a built-in 3000mAh rechargeable lithium battery with a standby time of up to 6 hours. Its compact size provides users with more powerful practical functions and excellent portability. Basic Parameters: Brand FNIRSI Model 2C53T Display Screen 2.8 inch HD color screen Resolution ratio 320*240 Charging Specifications TYPE-C (5V/1A) Battery 3000mAh lithium battery Support Functions Oscilloscope, Signal generator, Multimeter (view functional parameters for details) Standby Time 6h (laboratory theoretical maximum) Language Chinese and English Product Volume 167*89*35mm Weight 300g Oscilloscope Parameters: Channel Dual channel Sample Rate 250MS/s Analog Bandwidth 50M(dual channel independent 50M) Storage Depth 1Kpts Impedance 1MΩ Time Base Range 10ns-20s Vertical Sensitivity 10mV/div-10V/div (x1) Maximum Measured Voltage ±400V Trigger Mode AUTO/Normal/Single Trigger Type Rising edge, Falling edge Display Mode Y-T/Rolling/X-Y Coupling Method AC/DC Persistence OFF, 500ms, 1s, ∞ Math 8 Basic Operations + FFT Waveform Screenshot Save Supported Export Waveform Image Supported Cursor Measurement Supported Infinite Afterglow Supported Function Signal Generator Parameters: 13 Signal Waveforms Output waveform: sine wave, rectangular wave, sawtooth wave, half wave, full wave, positive step wave, reverse step wave, exponential rise, exponential fall, DC, multi-audio, Sinker pulse, Lorentz wave Output Frequency 0-50KHz Output Amplitude 0-3V Output Duty Cycle 0-100% Multimeter Parameters: DC Voltage 1.9999V / 19.999V / 199.99V / 1000V AC Voltage 1.9999V / 19.999V / 199.99V / 750.0V DC Current 19.999mA / 199.99mA / 1.9999A / 9.999A AC Current 19.999mA / 199.99mA / 1.9999A / 9.999A Resistance 19.999MΩ / 1.9999MΩ / 199.99KΩ / 19.999KΩ1.9999KΩ / 199.99Ω Capacitance 999.9uF / 99.99uF / 9.999uF / 999.9nF / 99.99nF / 9.999nF / 9.999mF / 99.99mF Temperature (-55~1300℃) / (-67~2372℉) Diode YES Continuity Test YES
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