FNIRSI 2C23T: Handheld 3-in-1 Oscilloscope Multimeter DDS


Product Details

Basic Specifications:


- Channels: Dual channel

- Sample Rate: 50MS/s

- Analog Bandwidth: 10MHz (dual channel independent 10MHz)

- 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


- DC Voltage: 9.999V~999.9V

- AC Voltage: 9.999V~750.0V

- DC Current: 9999uA~9.999A

- AC Current: 9999uA~9.999A

- Resistance: 999.9Ω~99.99MΩ

- Capacitance: 9.999nF - 99.99mF

- Temperature: (-55~1300℃)/(-67~2372℉)

- Diode Test: Yes

- Continuity Test: Yes

- Live Line Detection: Yes

Function Signal Generator:

- Channel: Single channel

- Frequency: 1Hz-2MHz

- Amplitude: 0.1-3.3V


FNIRSI-2C23T is a fully functional, highly practical, three-in-one dual-channel digital oscilloscope designed for the maintenance and development industries, launched by FNIRSI. This device is equipped with three main functions: oscilloscope, multimeter, and signal generator.

The oscilloscope adopts FPGA+MCU+ADC hardware architecture, boasting a sampling rate of 50MS/s, 10MHz analog bandwidth, and a built-in high-voltage protection module capable of supporting measurements of peak voltages up to ±400V.

The multimeter features a 4-digit 10000-point true effective value and supports AC/DC voltage and current measurement, as well as capacitance, resistance, diode, on/off, and other measurement functions.

The DDS function signal generator can output 7 types of function signals, with a maximum output of 2MHz. The output frequency, amplitude, and duty cycle are adjustable to suit various needs.

With a built-in 3000mAh rechargeable lithium battery, the FNIRSI-2C23T offers extended standby time of up to 6 hours, ensuring uninterrupted usage in various scenarios.

Display and Technology:

- 2.8 inch 320 * 240 resolution high-definition LCD display

Functionality and Features:

- Supports oscilloscope, multimeter, and signal generator functions

- FPGA+MCU+ADC hardware architecture

- Built-in high-voltage protection module

- DDS function signal generator with adjustable parameters

- Saving and viewing waveform screenshots for analysis

- Ideal for professionals, factories, schools, enthusiasts, and families

Connectivity and Power:

- Built-in 3000mAh rechargeable lithium battery

- Standby time up to 6 hours

- Charging cable included

Physical Dimensions:

- 6.6 x 3.4 x 1.4 inches; 10.4 ounces

- 16.8 x 8.6 x 3.6 centimeters; 294.8 grams

Package Contents:

Standard Package:

- 2C23T Digital Oscilloscope *1

- P6100 Probe *1

- Crocodile Clip Probe *1

- Multimeter Probe *1

- Charging Cable *1

- User Manual *1

- Packaging Box *1

Optional Package:

- 2C23T Digital Oscilloscope *1

- P6100 Probe *2

- Crocodile Clip Probe *1

- Multimeter Probe *1

- Charging Cable *1

- User Manual *1

- Packaging Box *1


Warning Tips:

1. Electrical Safety:Always ensure that the device is used in accordance with electrical safety standards to prevent electric shock or damage to the equipment.

2.High Voltage: Exercise caution when working with high voltage signals. Make sure to use appropriate safety measures and protective gear to avoid injury.

3. Proper Grounding: Ensure that the oscilloscope is properly grounded to prevent electrical hazards and ensure accurate measurements.

4. Overloading: Avoid applying signals that exceed the specified input voltage range to prevent damage to the device.

5. Heat Dissipation: Allow the device to dissipate heat effectively by ensuring proper ventilation around the device during operation.

6. Firmware Updates: When performing firmware updates, ensure that the process is carried out correctly to avoid any potential disruptions or errors in the operation of the device.

7. Battery Usage: Follow the manufacturer's instructions for charging and using the battery to prevent overheating, fire, or explosion hazards.

8. Storage and Transportation: Store and transport the device carefully to prevent physical damage or exposure to extreme environmental conditions.

9. User Manual: Always refer to the user manual for proper usage instructions, safety precautions, and troubleshooting guidelines.

10. Maintenance: Regularly inspect and maintain the device to ensure optimal performance and safety. If any abnormalities are detected, discontinue use and seek professional assistance.

Customer Reviews

Based on 344 reviews
Michael Kokot

FNIRSI® 2C23T Handheld Dual Channel 3-in-1 Oscilloscope + Digital Multi Meter + DDS Function Generator

Michael Schwartz
indispensable ultra portable unit

Bought one and absolutely love it. If it only had a usb out to use with a computer it would be perfect. I travel doing technical support, and it always goes with me. Highly recommended!

Carmella Rice

Very fast delivery thank . I still need to learn the product but looking very good

Remington Parisian

The product is clear. Complete Set. everything works. there is Russification. All packed well

Sherman Heidenreich

All in one nice multimeter. osc. sig. gen. and electrical meas. Good equipment for electrical technicers and electronic students. But only 10Mhz max. range for osc. Thanks Fnirsi



Please read our FAQs page to find out more.

What are the key features and specifications of the FNIRSI® 2C23T 3-in-1 Oscilloscope?

The FNIRSI® 2C23T 3-in-1 Oscilloscope features a 2.4-inch color display, 500MS/s sampling rate, 100MHz bandwidth, multimeter with various measurement functions, and function generator with multiple waveform outputs.

How do I operate and switch between the oscilloscope, multimeter, and function generator modes on the FNIRSI® 2C23T?

To operate and switch modes on the FNIRSI® 2C23T:
1. Press the "Mode" button to cycle through oscilloscope, multimeter, and function generator modes.
2. Use corresponding buttons or menus to adjust settings in each mode.

What are the common troubleshooting steps if the FNIRSI® 2C23T does not display readings correctly?

Common troubleshooting steps include checking probe connections, adjusting trigger settings, verifying power supply, and calibrating the oscilloscope.

How do I properly calibrate the FNIRSI® 2C23T for accurate measurements?

To calibrate the FNIRSI® 2C23T, connect the probe to the calibration signal, adjust the probe compensation, and use the oscilloscope's calibration function to fine-tune the measurements.

What accessories and probes are compatible with the FNIRSI® 2C23T, and how do I replace them?

The FNIRSI® 2C23T is compatible with standard oscilloscope probes and accessories such as BNC cables and clip probes. To replace them, disconnect the old probe, connect the new one to the BNC connector, and calibrate as needed.

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