FNIRSI 2C53T Dual Channel 3-in-1 50MHz Oscilloscope / Multimeter / Function Generator

Overview:
The FNIRSI 2C53T is a versatile 3-in-1 measuring instrument that integrates a dual-channel digital oscilloscope, a true RMS multimeter, and a DDS function signal generator into one compact device. It features advanced FPGA + ARM + ADC architecture, providing stable performance, high-speed sampling, and accurate signal analysis. With high-voltage protection up to ±400V and waveform storage support, it is suitable for professional maintenance, research, education, and electronics testing.

The device is equipped with a 2.8-inch high-definition color display and a built-in rechargeable lithium battery, ensuring clear visualization and reliable portability for field and laboratory use.

Specifications:

Basic Parameters:

• Brand: FNIRSI

• Model: 2C53T

• Display: 2.8-inch HD Color Screen

• Resolution: 320 × 240

• Charging Interface: Type-C (5V / 1A)

• Battery: 3000mAh Lithium Battery

• Supported Functions: Oscilloscope, Signal Generator, Multimeter

• Standby Time: Up to 6 Hours

• Language: Chinese, English

• Dimensions: 167 × 89 × 35 mm

• Weight: 300 g

Oscilloscope Parameters:

• Channels: Dual Channel

• Sampling Rate: 250 MS/s

• Analog Bandwidth: 50 MHz (Independent per Channel)

• Storage Depth: 1Kpts

• Input Impedance: 1 MΩ

• Time Base Range: 10 ns – 20 s

• Vertical Sensitivity: 10 mV/div – 10 V/div (×1)

• Maximum Input Voltage: ±400 V

• Trigger Modes: Auto / Normal / Single

• Trigger Types: Rising Edge, Falling Edge

• Display Modes: Y-T / Rolling / X-Y

• Coupling: AC / DC

• Persistence: Off, 500 ms, 1 s, ∞

• Math Functions: 8 Basic Operations + FFT

• Waveform Screenshot: Supported

• Waveform Export: Supported

• Cursor Measurement: Supported

• Infinite Afterglow: Supported

Function Generator Parameters:

• Waveforms: 13 Types (Sine, Square, Sawtooth, Half Wave, Full Wave, Step, Exponential, DC, Multi-Audio, Pulse, Lorentz, etc.)

• Output Frequency: 0 – 50 kHz

• Output Amplitude: 0 – 3 V

• 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: Up to 19.999 MΩ

• Capacitance: 9.999 nF – 99.99 mF

• Temperature: -55°C to 1300°C / -67°F to 2372°F

• Diode Test: Supported

• Continuity Test: Supported