FNIRSI 2C53T Handheld 3-in-1 Oscilloscope, Multimeter & Signal Generator – 50MHz Bandwidth, 250MSa/s Sampling Rate

The FNIRSI 2C53T is an advanced, portable 3-in-1 device that seamlessly integrates a dual-channel digital oscilloscope, a 4.5-digit True RMS multimeter, and a versatile signal generator. Designed for professionals and hobbyists alike, this compact tool offers precision, versatility, and convenience in a single handheld unit.

🔧 Key Features

• Dual-Channel Oscilloscope: 50MHz bandwidth with a 250MSa/s sampling rate, 1kpts memory depth, and ±400V input protection. Supports XY, YT, and scrolling modes, along with FFT analysis and 8 math operations.

• True RMS Multimeter: 4.5-digit display with 19999 counts, capable of measuring AC/DC voltage, current, resistance, capacitance, diode testing, and continuity checks.

• Signal Generator: Built-in DDS function generator outputs 13 waveform types up to 50kHz, with adjustable frequency, amplitude, and duty cycle.

• User-Friendly Interface: 2.8-inch TFT color display (320×240 resolution) provides clear visuals. Features include auto measurements, cursor measurements, and waveform storage.

• Portable and Durable: Compact design (167×89×35mm) with a sturdy build, weighing only 300g. Equipped with a 3000mAh rechargeable lithium battery offering up to 6 hours of standby time.

📐 Specifications

• Oscilloscope:

  • Bandwidth: 50MHz

  • Channels: 2

  • Sampling Rate: 250MSa/s

  • Memory Depth: 1kpts

  • Input Impedance: 1MΩ

  • Vertical Sensitivity: 10mV/div–10V/div

  • Time Base: 10ns/div–20s/div

  • Trigger Types: Auto, Normal, Single

• Multimeter:

  • Display Count: 19999

  • Measurements: AC/DC Voltage, Current, Resistance, Capacitance, Diode, Continuity

• Signal Generator:

  • Waveforms: 13 types

  • Frequency Range: Up to 50kHz

  • Output Voltage: 0–3V

• General:

  • Display: 2.8-inch TFT Color Screen (320×240)

  • Battery: 3000mAh Rechargeable Lithium Battery

  • Charging: USB Type-C (5V/1A)

  • Dimensions: 167×89×35mm

  • Weight: 300g

  • Languages: English, Chinese

🎯 Ideal For

Electronics engineers, field technicians, educators, and hobbyists seeking a compact, multifunctional tool for diagnostics, testing, and signal analysis.