The FNIRSI 2C53T is a professional-grade 3-in-1 handheld digital oscilloscope, multimeter, and signal generator designed for engineers, technicians, educators, and electronics enthusiasts. With upgraded performance over the 2C23T, the 2C53T adds math operations, cursor measurement, XY mode, persistence mode, and a wider measuring range, making it a versatile and portable tool for troubleshooting, maintenance, and research.

Featuring a 50MHz dual-channel oscilloscope with 250MS/s sampling rate, a 4.5-digit 20,000 counts multimeter, and a function signal generator capable of outputting 13 waveforms, this compact device combines essential test equipment in one lightweight unit. Equipped with a 2.8-inch HD LCD display, built-in 3000mAh rechargeable battery (6h standby), and USB Type-C connectivity, the FNIRSI 2C53T is built for precision, portability, and durability.

Features:

• 3-in-1 Design: Oscilloscope, Multimeter, and Signal Generator in one compact handheld unit.

• Dual-Channel Oscilloscope:

  • Bandwidth: 50MHz

  • Sample rate: 250MS/s

  • Max voltage: ±400V

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

  • Supports FFT, math operations, cursor measurement, infinite persistence, and XY mode.

• Signal Generator:

  • 13 waveform outputs (sine, square, sawtooth, pulse, exponential rise/fall, Lorentz, etc.)

  • Frequency range: 0–50kHz (1Hz step)

  • Amplitude: 0–3V, duty cycle: 0–100%.

• 4.5-Digit 20,000 Counts Multimeter:

  • AC/DC Voltage: up to 750V/1000V

  • AC/DC Current: up to 9.999A

  • Resistance: up to 19.99MΩ

  • Capacitance: up to 99.99mF

  • Temperature range: -551300°C / -672372°F

  • Diode and continuity test supported.

• Storage & Export: Save waveforms/screenshots with one-click and export via USB Type-C for analysis on PC.

• Portable & Durable:

  • Built-in 3000mAh lithium battery (up to 6h standby)

  • 2.8-inch 320×240 HD LCD display

  • Compact size: 167×89×35mm, lightweight 300g

  • Built-in high-voltage protection module for safe measurement.

Specifications:

Oscilloscope:

• Channels: 2 independent channels

• Bandwidth: 50MHz

• Sample Rate: 250MS/s

• Storage Depth: 1Kpts

• Max Voltage: ±400V

• Time Base: 10ns–20s/div

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

• Trigger Modes: Auto / Normal / Single

• Math Functions: 8 operations + FFT

• Display Modes: Y-T, XY, Rolling

Signal Generator:

• Waveforms: 13 types

• Frequency: 0–50kHz, 1Hz step

• Amplitude: 0–3V

• Duty Cycle: 0–100%

Multimeter:

• DC Voltage: up to 1000V

• AC Voltage: up to 750V

• DC/AC Current: up to 9.999A

• Resistance: up to 19.99MΩ

• Capacitance: up to 99.99mF

• Temperature: -551300°C (-672372°F)

• Diode Test: Yes

• Continuity: Yes

General:

• Display: 2.8-inch HD Color LCD (320×240)

• Battery: 3000mAh lithium, up to 6h standby

• Charging: USB Type-C (5V/1A)

• Dimensions: 167×89×35mm

• Weight: 300g

• Language Support: Chinese / English

Package Includes:

• 1 × FNIRSI® 2C53T Handheld Oscilloscope Multimeter Signal Generator

• 1 × USB Type-C Charging Cable

• 1 × Test Leads Set

• 1 × User Manual

Why Choose FNIRSI 2C53T?

The FNIRSI 2C53T is an essential all-in-one test instrument that saves space, reduces costs, and provides professionals, educators, and electronics hobbyists with the reliability of a lab-grade oscilloscope, signal generator, and digital multimeter in one portable unit.