The FNIRSI-2C23T is a versatile 3-in-1 dual-channel digital oscilloscope designed for maintenance and development work. It combines an oscilloscope, multimeter, and signal generator in one device. The oscilloscope features FPGA+MCU+ADC architecture, 50 MS/s sampling rate, 10 MHz bandwidth, and high-voltage protection, supporting peak voltage measurements up to ±400V. It allows saving and analyzing waveform screenshots.

The multimeter offers 4-digit, 10,000-point true RMS measurements for AC/DC voltage, current, resistance, capacitance, diode, and continuity. The built-in DDS signal generator outputs 7 signal types, with adjustable frequency (up to 2 MHz), amplitude, and duty cycle.

The device has a 2.8" high-definition LCD (320x240 resolution) and a 3000mAh rechargeable battery with up to 6 hours of standby time, offering compact size and portability for a wide range of users including professionals, students, and hobbyists.

Device Parameters

Brand : FNIRSI : Model : 2C23T
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 : Language : English
Standby Time : 6h (laboratory theoretical maximum) : Product Volume : 167*89*35mm
Weight : 300g

Oscilloscope Parameter

Channel : Dual channel : Sample Rate : 50M
Analog Bandwidth : 10M(dual channel independent 10M) : Storage Depth : 32kb
Impedance : 1MΩ : Time Base Range : 50ns-10s
Vertical Sensitivity : 20mV/div - 10V/div (X1) : Maximum Measured Voltage : ±400V
Trigger Mode : AUTO / Normal / Single : Trigger Type : Rising edge, Falling edge
Display Mode : YT/Scroll : Coupling Method : AC/DC
Save Waveform Screenshot : Yes : Export Waveform Images : Yes

Multimeter Parameter

DC Voltage : Range: 9.999V / 99.99V / 999.9V

Accuracy: ±(0.5%+3)

AC Voltage : Range: 9.999V / 99.99V / 750.0V

Accuracy: ±(1%+3)

DC Current : Range: 9999μA / 99.99mA / 999.9mA / 9.999A

Accuracy: ±(1.2%+3)

AC Current : Range: 9999μA / 99.99mA / 999.9mA / 9.999A

Accuracy: ±(1.5%+3)

Resistance : Range: 9.999MΩ / 999.9KΩ / 99.99KΩ / 9.999KΩ / 999.9Ω

Accuracy: ±(0.5%+3)
Range: 99.99MΩ
Accuracy: ±(1.5%+3)

Capacitance : Range: 999.9μF / 99.99μF / 9.999μF / 999.9nF / 99.99nF / 9.999nF

Accuracy: ±(2.0%+5)
Range: 9.99mF / 99.99mF
Accuracy: ±(5.0%+20)

Temperature : Range: (-55~1300°C) / (-67~2372°F)

Accuracy: ±(2.5%+5) : Diode : Yes

Continuity Test : Yes : Live Line Detection : Yes

Signal Generator Parameter

Channel : Single channe! : Frequency : 1Hz-2MHz
Amplitude : 0.1-3.3V : Output Waveform : Sine wave, square wave, triangular wave, full wave, half wave, noise wave, DC Output
Duty Cycle : 0-100%

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