FNIRSI DSO152 / DSO153 / DSO510 Mini Handheld Digital Oscilloscope Range

The FNIRSI DSO Series offers a range of compact handheld digital oscilloscopes designed for everyone from beginners learning electronics through to technicians performing professional diagnostics. Small enough to fit in your pocket yet packed with practical features, these portable oscilloscopes are ideal for electronics repair, automotive diagnostics, circuit testing, education, maintenance and DIY projects.

All models feature a bright 2.8-inch colour display, rechargeable lithium battery, automatic triggering modes and USB-C charging. Depending on the model selected, you can choose between an entry-level oscilloscope or a more advanced 2-in-1 oscilloscope with integrated signal generator, allowing you to both analyse and generate electronic waveforms from a single device.

Whether you're repairing electronic equipment, diagnosing faults, testing circuits or learning electronics, there is a DSO model to suit your requirements.

---

Choose Your Model

DSO152 – Entry Level

Perfect for beginners, students and basic electronics work.

Best suited for:

• Learning electronics
• Hobby projects
• Basic circuit testing
• Educational use
• Simple maintenance

Main specifications

• 200kHz bandwidth
• 2.5MS/s sampling rate
• Single channel
• 2.8" colour display
• Rechargeable 1000mAh battery
• One-click AUTO function

---

DSO153 – Mid Range 2-in-1

An excellent all-round oscilloscope combining portability with a built-in signal generator.

Best suited for:

• Electronics repair
• Automotive diagnostics
• Workshop maintenance
• DIY enthusiasts
• Students requiring signal generation

Main specifications

• 1MHz bandwidth
• 5MS/s sampling rate
• Built-in 10kHz signal generator
• 13 waveform outputs
• AC/DC coupling
• Auto / Normal / Single trigger modes

---

DSO510 – Professional 2-in-1

The highest-performance model in the range for advanced troubleshooting and development work.

Best suited for:

• Professional repair technicians
• Industrial maintenance
• Electronics development
• Laboratory work
• Advanced diagnostics

Main specifications

• 10MHz bandwidth
• 48MS/s real-time sampling
• Built-in 50kHz signal generator
• 13 waveform outputs
• Waveform pause, zoom and movement
• Adjustable afterglow
• Auto / Normal / Single trigger modes

---

Standard vs Option Package

Standard Package

Includes everything needed to begin using the oscilloscope immediately.

Contents include:

• Oscilloscope
• Alligator clip probe
• USB charging cable
• Lanyard
• User manual
• Retail packaging

---

Option Package

Includes everything from the Standard package plus professional accessories for expanded testing.

Additional items include:

• P6100 high-voltage oscilloscope probe
• Probe adapter

Ideal for users requiring higher voltage measurements and greater testing flexibility.

---

Features

• Compact handheld pocket-sized design
• Lightweight (approximately 100-104g depending on model)
• Bright 2.8-inch colour LCD (320 × 240 resolution)
• USB-C rechargeable
• Built-in 1000mAh lithium battery
• Up to approximately 4 hours operating time
• One-button AUTO waveform detection
• AC/DC coupling
• Auto / Normal / Single trigger modes
• Ideal for electronics repair, automotive diagnostics, education and field work
• CE Certified

---

Model Comparison

---

DSO510 Specifications

Oscilloscope

• 10MHz bandwidth
• 48MS/s sampling rate
• Vertical sensitivity: 10mV/Div to 20V/Div
• Time base: 50ns/Div to 20s/Div
• Voltage range:
  • X1 Probe: ±40V (80Vpp)
  • X10 Probe: ±400V (800Vpp)
• AC/DC coupling
• Auto / Normal / Single trigger

Signal Generator

• Frequency: 0-50kHz
• Output amplitude: 0.1-3.0V
• Duty cycle: 0-100%
• 13 waveform types including:
  • Sine
  • Square
  • Sawtooth
  • Half wave
  • Full wave
  • Step wave
  • Inverse step
  • Exponential rise
  • Exponential fall
  • DC
  • Multi-tone
  • Sink pulse
  • Lorentz

---

DSO153 Specifications

Oscilloscope

• 1MHz bandwidth
• 5MS/s sampling rate
• Vertical sensitivity: 10mV/Div to 20V/Div
• Time base: 500ns/Div to 20s/Div
• Voltage range:
  • X1: ±40V
  • X10: ±400V
• AC/DC coupling
• Auto / Normal / Single trigger

Signal Generator

• Frequency: 0-10kHz
• Output amplitude: 0.1-3.3V
• Duty cycle: 0-100%
• 13 waveform types

---

DSO152 Specifications

• 200kHz bandwidth
• 2.5MS/s sampling rate
• Vertical sensitivity: 10mV/Div to 20V/Div
• Time base: 10μs/Div to 50s/Div
• Voltage range:
  • X1: 40V
  • X10: 400V
• Auto / Normal / Single trigger
• AC/DC coupling
• 1kHz square wave calibration output
• 1000mAh rechargeable battery
• USB-C charging