FNIRSI 2C23T 3-in-1 Oscilloscope, Multimeter & Signal Generator

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.

Oscilloscope

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.

Multimeter

The multimeter offers 4-digit, 10,000-point true RMS measurements for AC/DC voltage, current, resistance, capacitance, diode, and continuity.

DDS Signal Generator

The built-in DDS signal generator outputs 7 signal types, with adjustable frequency (up to 2 MHz), amplitude, and duty cycle.

Display & Battery

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

• ① Range: 9.999MΩ / 999.9KΩ / 99.99KΩ / 9.999KΩ / 999.9Ω — Accuracy: ±(0.5%+3)
• ② Range: 99.99MΩ — Accuracy: ±(1.5%+3)

Capacitance

• ① Range: 999.9μF / 99.99μF / 9.999μF / 999.9nF / 99.99nF / 9.999nF — Accuracy: ±(2.0%+5)
• ② Range: 9.99mF / 99.99mF — Accuracy: ±(5.0%+20)

Temperature

• Range: (-55~1300°C) / (-67~2372°F)
• Accuracy: ±(2.5%+5)

Other Functions

• 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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