The 6 Best Digital Oscilloscopes
We spent 27 hours on research, videography, and editing, to review the top choices for this wiki. Accurate testing of electrical currents can be critical for establishing the safety and/or efficiency of various types of machines or circuitry. Whether you suspect your car's ignition system is not working as it should or you fear your home is beset by regular power surges, with the right digital oscilloscope you can create an accurate record of voltage patterns over time. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best digital oscilloscope on Amazon.
6. Signstek DSO203 ARM
The Signstek DSO203 ARM protects its sensitive electronics in a lightweight, but durable, aluminum housing that resists corrosion and damage. That makes this compact unit a good choice for use as you move around a worksite or travel to visit a project.
- 4k storage per channel
- manual comes on outdated mini cd
- small two mb internal memory
|Rating||4.2 / 5.0|
5. JYE DSO 138 DIY Kit
With the JYE DSO 138 DIY Kit, you get all the fun of building your very own piece of advanced current monitoring hardware. It's a challenging and rewarding project that results in an oscilloscope that costs about one-tenth as much as ready-made units.
- pre-soldered circuits
- excellent step-by-step instructions
- not highly sensitive or accurate
|Rating||4.1 / 5.0|
4. Rigol DS1054Z
The Rigol DS1054Z features four separate analog channels, so it can track multiple voltage sources at one time. It also comes with an impressive twelve megabytes of memory as a standard feature, plus the ability to accommodate a USB drive.
- 50 mhz bandwidth
- 800 x 480 resolution screen
- hard to restore default settings
|Rating||3.9 / 5.0|
3. SainSmart DDS120 Portable
The SainSmart DDS120 Portable pairs with a computer to display the voltage data it reliably records. This is a relatively low-cost unit that is, nonetheless, quite effective for use in applications including automotive diagnostics and testing various machinery.
- excellent over-voltage protection
- well-reviewed by owners
- not compatible with mac os
|Rating||4.6 / 5.0|
2. Makerfocus DSO211 ARM Nano
The Makerfocus DSO211 ARM Nano is small enough to slip into a pocket, yet accurate enough for use diagnosing current patterns and changes found in electronic toys, power tools, or the circuitry built into the walls of your home or business.
- internal 550mah lithium battery
- comes with cloth storage bag
- clear and concise manual included
|Rating||4.5 / 5.0|
1. Siglent Technologies SDS1102X
The Siglent Technologies SDS1102X is a top-of-the-line device capable of recording 60,000 waveforms per second. It features an impressive 256 level intensity grading and color temperature modes, which allow you to detect even minute shifts in current.
- usb and lan interfaces
- bright and clear screen
- stores up to 80k recorded frames
|Rating||4.8 / 5.0|