FNIRSI 2C53P Dual Channel Tablet 3-in-1 Oscilloscope & Multimeter & DDS Signal Generator

The FNIRSI 2C53P is a versatile multifunction electronic test instrument that combines a dual channel digital oscilloscope, a true RMS multimeter, and a DDS function generator into one portable tablet style device, perfect for electronic maintenance, design, and education. 

Equipped with a 4.3″ high resolution capacitive touch display, a powerful FPGA+MCU+ADC hardware architecture, and a long life rechargeable battery, the 2C53P delivers reliable waveform visualization, accurate electrical measurements, and flexible signal generation, all in one compact instrument. 

Highlights:

• Combines oscilloscope, multimeter, and DDS signal generator in one unit.
• Dual channel oscilloscope with 50MHz bandwidth and 250MS/s real time sampling.
• True RMS multimeter with 19999 counts for precise AC/DC measurements.
• 12 waveform DDS generator up to 10MHz for signal creation.
• 4.3″ IPS touchscreen for intuitive control and clear visualization.
• Built in 4000mAh battery with up to ~4h runtime and USB C charging.
• FFT spectrum analysis and X-Y display modes for advanced signal insights.

Specifications:

General

• Model: FNIRSI 2C53P.
• Screen: 4.3″ IPS touch display (480×272).
• Battery: 4000mAh rechargeable, USB C charging (5V/2A).
• Languages: English, Chinese, Russian, Japanese, Spanish, Portuguese, German, Korean.
• Dimensions: ~145×98×35mm.
• Weight: ~890g.

Oscilloscope

• Channels: 2.
• Bandwidth: 50MHz.
• Sampling Rate: 250MS/s.
• Storage Depth: Up to 64k Byte.
• Input Resistance: 1MΩ.
• Time Base Range: 10ns/div - 10s/div.
• Vertical Sensitivity: 10mV/div - 10V/div.
• Max Measured Voltage: ±400V.
• Probe: 1× / 10×.
• Trigger Modes: AUTO / Normal / Single. 
• Waveform Display: YT / XY / Scroll.
• Math Functions: +, –, ×, ÷, FFT, absolute, etc.

Multimeter

• DC Voltage: up to 1000V.
• AC Voltage: up to 760V.
• DC Current: up to 9.999A.
• Resistance: up to 19.999MΩ.
• Capacitance: up to 99.99mF.
• Temperature: -55°C to 1300°C.
• Diode & continuity test: Yes.

DDS Signal Generator

• Waveform Types: 12 (sine, square, sawtooth, etc.).
• Frequency Range: up to 10MHz.
• Amplitude: Adjustable 0.1-3.0V.
• Duty Cycle: 0-100%.

Ideal For:

• 📡 Hobby electronics and education.
• 🔧 Circuit testing, repair, and diagnostics.
• 📊 Signal analysis and waveform capture.
• 📟 Embedded systems development.
• 🎓 Student labs and beginner engineers.
• 📦 Portable field testing and maintenance.