Hantek DSO5102P Digital Storage Oscilloscope 100MHz 2-Channel vs KORAD KA3005P Programmable DC Power Supply
Head-to-head spec comparison to help you pick the right supply for your needs.
Hantek
$189
KORAD
$89
Spec-by-Spec Comparison
| Spec | Hantek DSO5102P Digital Storage Oscilloscope 100MHz 2-Channel | KORAD KA3005P Programmable DC Power Supply |
|---|---|---|
| Output Voltage | 0 V | 30 V |
| Max Current | 0 A | 5 A |
| Load Regulation | 0 % | 0.01 % |
| Ripple & Noise | 0 mV | 5 mV |
| Programmable | No | Yes |
| Channels | 2 | 1 |
| Display | 7-inch 800×480 TFT | 4-digit LED |
| Interface | USB | USB + RS-232 |
| Price | $189 | $89 |
| Rating | 7.8/10 | 8.4/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
Hantek DSO5102P Digital Storage Oscilloscope 100MHz 2-Channel
Pros
- 100MHz bandwidth with 1GSa/s sample rate handles most hobby and moderate-speed digital signals
- 7-inch 800×480 TFT display — largest screen at this price point
- USB host + device ports: save screenshots to USB stick without a PC
- 25 automatic measurements (Vpp, frequency, rise time, duty cycle) without manual cursors
- Active community with custom firmware patches addressing UI quirks
Cons
- Trigger system requires careful configuration for complex serial protocols — no built-in serial decode
- Probe compensation adjustment is fiddly and not clearly documented in the manual
- Fan runs continuously at audible volume — not a quiet instrument
- Software update process requires USB boot; less polished than Rigol or Siglent equivalents
KORAD KA3005P Programmable DC Power Supply
Pros
- 30V / 5A range covers virtually every hobbyist DC project without requiring a second supply
- USB and RS-232 PC control via SCPI commands — rare at this price point, enables scripted test automation
- 4-digit V/A display with coarse + fine adjustment knobs; panel feels like a real instrument
- CC (constant-current) mode actively limits current and protects components under test
- Stable load regulation — bench-tested at <0.01% + 3mV typical under moderate load
Cons
- Fan noise is audible at medium load — not suitable for quiet audio bench work
- USB driver setup on Windows 10/11 requires manual INF install; not plug-and-play
- Output terminals accept banana plugs only — no binding-post adapters included
- Ripple measured at ~5mV typical, acceptable for digital work but too high for sensitive RF circuits
Our Verdicts
Hantek DSO5102P Digital Storage Oscilloscope 100MHz 2-Channel
For a first oscilloscope under $200, the DSO5102P punches above its weight on screen size and bandwidth. Engineers needing I2C/SPI/UART decode should budget up to a Rigol DS1054Z; hobbyists measuring power supply ripple and basic waveforms will find this more than sufficient.
KORAD KA3005P Programmable DC Power Supply
The KA3005P is the go-to first bench supply for electronics hobbyists. PC control via SCPI at under $100 is genuinely unusual. The fan noise and ripple keep it out of audio/RF labs, but for Arduino, embedded, and general repair work it earns its bench space.
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