The FNIRSI-2C23T is a professional-grade 3-in-1 multifunction digital oscilloscope, combining an oscilloscope, multimeter, and signal generator in one compact and portable device. Designed for electronic engineers, technicians, and development professionals, it is ideal for use in industrial maintenance, circuit design, education, and electronics testing.

Powered by FPGA + MCU + ADC hardware architecture, the FNIRSI-2C23T delivers a 50MS/s sampling rate with a 10MHz analog bandwidth for precise waveform capture and signal analysis. Its dual-channel oscilloscope supports high-voltage measurements up to ±400V, with built-in protection circuitry for safety. Users can save and review waveform screenshots for further analysis, making it an efficient tool for real-world diagnostics.

The True RMS multimeter offers a 4-digit, 10,000-count display, supporting AC/DC voltage, current, resistance, capacitance, diode, and continuity measurements. It also includes non-contact voltage detection and temperature measurement (-55°C to 1300°C), making it a powerful all-around testing solution.

Additionally, the built-in DDS signal generator supports seven waveform types—Sine, Square, Triangle, Full, Half, Noise, and DC—with a frequency range of 1Hz–2MHz, amplitude up to 3.3Vpp, and fine resolution steps of 1Hz.

Equipped with a 2.8-inch high-resolution (320×240) LCD display and a 3000mAh rechargeable lithium battery, the FNIRSI-2C23T provides up to 6 hours of continuous operation. Its lightweight and ergonomic design make it highly portable and suitable for both fieldwork and laboratory environments.

Features:

• 3-in-1 multifunction device: Oscilloscope, Multimeter, Signal Generator

• Dual-channel oscilloscope with 10MHz bandwidth and 50MS/s sampling rate

• Built-in high-voltage protection up to ±400V

• True RMS 10,000-count multimeter for accurate measurement

• Supports AC/DC voltage, current, resistance, capacitance, and temperature

• DDS function generator with adjustable amplitude, frequency, and duty cycle

• 7 waveform outputs: Sine, Square, Triangle, Full, Half, Noise, DC

• 2.8-inch color LCD display (320×240)

• Rechargeable 3000mAh battery with up to 6 hours of use

• Compact and portable design for field and lab applications

Specifications:

Oscilloscope

• Bandwidth: 10MHz

• Channels: 2

• Sampling Rate: 50MS/s

• Memory Depth: 32kpts

• Vertical Scale: 20mV/div – 10V/div

• Max Input Voltage: ±400V

• Display: 2.8" LCD (320×240)

• Dimensions: 167 × 89 × 35 mm

• Weight: 300g

Function Generator

• Frequency Range: 1Hz – 2MHz

• Frequency Resolution: 1Hz

• Amplitude Range: 0.1 – 3.3Vpp

• Waveform Types: Sine, Square, Triangle, Full, Half, Noise, DC

• Channels: 1

• Waveform Length: 16kpts

Multimeter

• Display Resolution: 10,000 counts

• Max AC Voltage: 750V

• Max DC Voltage: 1000V

• Max AC/DC Current: 10A

• Resistance: up to 100MΩ

• Capacitance: up to 100mF

• Temperature Range: -55°C to +1300°C

• Duty Cycle: 0–100%

• Functions: Diode, Continuity, Non-Contact Voltage Detection

• True RMS: Yes

• Data Logging: Yes

Included Accessories:

• 2× 10X Oscilloscope Probes

• 1× Alligator Clip Probe

• 1× Multimeter Probe

• 1× USB-C Charging Cable

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