FNIRSI® DSO-152 Mini Pocket Handheld Digital Oscilloscope – Detailed Description

The FNIRSI® DSO-152 is a compact, high-performance digital oscilloscope designed for electronics troubleshooting, circuit analysis, and waveform measurement. With a 200KHz bandwidth and a 2.5MS/s sampling rate, this mini handheld oscilloscope is perfect for hobbyists, students, and field engineers who need a portable and reliable tool for real-time signal analysis.

Key Features & Specifications:

Parameter Index

Brand

FNIRSI

Model

DSO-152

Channel

1

Sampling Rate

2.5MS/s

Bandwidth

200KHz

Vertical Sensitivity

10mV/Div - 20V/Div (Progress according to the 1-2-5 way)

Time Base Range

10μs/Div - 50s/Div (Progress according to the 1-2-5 way)

Voltage Range

X1:±40V (Vpp:80V)
X10:±400V (Vpp:800V)

Trigger Mode

Auto / Normal / Single

Coupling Method

AC/DC

Display

2.8 Inches / PPI:320*240

USB Charging

5V/1A

Lithium Battery Capacity

1000mAh

Square Wave Calibration

Frequency: 1K
Duty cycle: 50%

Size

99x68.3x19.5mm

Weight

100g

✅ High-Performance Signal Analysis:

• Bandwidth: 200KHz – suitable for low-to-mid-frequency signal measurements.
• Sampling Rate: 2.5MS/s – captures waveforms with precision and accuracy.
• Vertical Resolution: High-resolution display for clear signal visualization.

✅ Compact & Portable Design:

• Lightweight and pocket-sized, making it easy to carry for fieldwork and troubleshooting.
• One-hand operation, ideal for quick diagnostics in tight spaces.

✅ User-Friendly Interface:

• Easy-to-read LCD screen with real-time waveform display.
• Simple control buttons for quick adjustment of time base, voltage, and trigger settings.

✅ Versatile Measurement Functions:

• Supports DC/AC voltage waveform measurement.
• Includes auto, normal, and single trigger modes for flexible signal capture.
• Can display waveform frequency, amplitude, and other key parameters.

✅ Built-In Rechargeable Battery:

• Equipped with a long-lasting lithium battery, allowing extended usage without frequent recharging.
• USB charging support for convenience.

✅ Ideal Applications:

• Circuit debugging – Great for diagnosing electronic circuits and components.
• Embedded system testing – Ideal for small signal analysis in microcontroller projects.
• DIY electronics & education – Perfect for students, hobbyists, and engineers learning signal analysis.
• Field service & repair – Compact design makes it useful for on-the-go troubleshooting.

The FNIRSI® DSO-152 Mini Digital Oscilloscope is an affordable, compact, and easy-to-use tool for basic electronic waveform analysis. Whether you're an electronics enthusiast, an engineer, or a student, this handheld oscilloscope provides accurate signal measurements in a convenient and portable package.