FNIRSI 2C53T 3-in-1 Handheld Oscilloscope/DMM/Signal Generator.

The FNIRSI 2C53T is a versatile and compact 3-in-1 handheld instrument that combines a dual-channel digital oscilloscope, a true RMS digital multimeter (DMM), and a DDS signal generator. This all-in-one device is designed for professionals and hobbyists in electronics maintenance, research, and development.

General Specifications:

 Display: 2.8-inch color LCD

Resolution: 320 x 240 pixels

 Power: 3000mAh rechargeable lithium battery via USB-C

 Dimensions: Approximately 167 x 89 x 35 mm

 Weight: Around 300g

Oscilloscope:

The oscilloscope function is a key feature of the FNIRSI 2C53T, offering a solid set of capabilities for its size and price point.

 Channels: 2

 Analog Bandwidth: 50 MHz

 Real-time Sampling Rate: 250 MSa/s (Mega-samples per second)

 Input Impedance: 1 MΩ

 Vertical Sensitivity: 10 mV/div to 10 V/div

 Maximum Measured Voltage: ±400 V

 Trigger Modes: Auto, Normal, Single

 Trigger Types: Rising edge, Falling edge

 Display Modes: Y-T (standard time-domain), X-Y (Lissajous figures)

 Additional Features: Waveform screenshot saving and export, cursor measurements, FFT (Fast Fourier Transform) for frequency analysis.

Digital Multimeter (DMM):

The integrated digital multimeter provides a wide range of measurement functions with true RMS for accurate AC readings.

Display: 19999 counts

DC Voltage: Ranges from 2V to 1000V

AC Voltage: Ranges from 2V to 750V (True RMS)

DC Current: Ranges from 20mA to 10A

AC Current: Ranges from 20mA to 10A (True RMS)

Resistance: Ranges from 200Ω to 20MΩ

Capacitance: Ranges from 20nF to 100mF

Other Functions: Diode test, continuity test with buzzer.

Signal Generator:

The built-in DDS (Direct Digital Synthesis) signal generator is capable of producing a variety of waveforms for testing and troubleshooting circuits.

 Waveforms: Sine, Square, Sawtooth, Half wave, Full wave, and others.

 Output Frequency: Up to 50 kHz for sine waves, with varying maximums for other waveforms.

 Output Amplitude: Adjustable, typically up to 3Vpp.

 Duty Cycle (for square wave): Adjustable from 0% to 100%.