FNIRSI DSO-152 MiniScope – 200KHz 2.5MS/s Pocket-Sized Digital Handheld Oscilloscope for Quick Signal Testing

? Advanced Signal Testing in the Palm of Your Hand

The FNIRSI DSO-152 MiniScope is a fully-featured portable digital storage oscilloscope (DSO) designed for engineers, electronics enthusiasts, students, and professionals who require accurate signal measurement, high portability, and dependable performance in a compact device.

Combining the convenience of a miniature form factor with a professional-grade, the DSO-152 delivers a true laboratory experience in your pocket—perfect for signal diagnostics, waveform capture, circuit troubleshooting, and electronic repairs.

Whether you're analyzing low-frequency analog signals, decoding microcontroller output, or testing power supplies, this oscilloscope is equipped to meet your needs both in the lab and in the field.

⚙️ Technical Specifications & Functional Breakdown

? Oscilloscope Core

• Bandwidth: 200KHz – Optimized for low-frequency digital and analog signal analysis

• Sampling Rate: 2.5MS/s – Real-time acquisition ensures smooth waveform capture

• Input Voltage Range: 0V to 40V DC (with protection)

• Time Base Range: 10µs/div to 500s/div

• Vertical Resolution: 12-bit ADC for sharp signal detail

• Trigger Mode: Auto, Normal, and Single Trigger for various signal conditions

• Memory Depth: Up to 240K of waveform points

? P6100 High-Performance Probe

• Rated Frequency: 100MHz

• Attenuation Ratio: 1x / 10x switchable

• Input Impedance: 10MΩ at 10x – Ideal for interfacing with sensitive circuits

• High Accuracy: Clean signal capture with reduced noise and distortion

• Removable Tips and Ground Clip Included

? Display & Interface

• Display Type: High-contrast, full-color TFT LCD

• Screen Size: 2.4–3 inches (varies by model revision)

• UI Language: English (multi-language support in some firmware updates)

• Navigation: Simple button interface for waveform control, scaling, and measurement

? Battery & Portability

• Power Supply: Rechargeable lithium-ion battery

• Battery Life: Up to 6 hours of continuous testing

• Charging Method: USB Type-C / Micro-USB (varies) – full charge in approx. 1.5 hours

• Dimensions: Approx. 90 x 60 x 20 mm

• Weight: <150g (with battery)

? Measurement Functions

• Voltage Measurements: Vmax, Vmin, Vavg, Vpp, Vrms

• Time/Frequency: Period, Frequency, Duty Cycle

• Cursor Measurement: Manual and auto-cursor support

• Storage: Save/Recall waveform data, screen snapshots (depending on firmware)

• Calibration: Factory-calibrated and user-adjustable baseline

? Ideal Applications

? Field Engineering & Repairs

• Diagnose faults on-site without bulky equipment

• Ideal for electrical panel checks, sensor testing, and EMI investigation

? Educational & Academic Use

• Perfect tool for electronics labs, physics experiments, and embedded system training

• Safe for students with low-voltage input handling and intuitive UI

? DIY, Makers & Hobbyists

• Debug PWM signals, clock lines, UART/SPI communication, motor drivers, and more

• Monitor switching regulators, LED drivers, and op-amp circuits

? Audio & Analog Circuits

• View audio waveforms, filter responses, distortion, and signal noise

• Great for analog synthesizer design and amplifier testing