Best Oscilloscopes under $300: Reviews & Guides

No matter the engineering major you are undertaking, you need the best Oscilloscope that is cost-effective and can offer an effective operation as well.

These brands are some of the great tools you will require for the effective capture of signals and the study of their salient features.

Best Oscilloscopes Under $300 to Buy Today

We have reviewed and compiled the following list of brands suitable for you and you will not regret making an order for one.

#1. DSO 138 Oscilloscopes

Do you need the best and affordable oscilloscope that is compact; DSO 138 Oscilloscope is the great choice for your case.


  • DSO is designed with automatic regular and one-shot modes that make it easy to capture the moment waveform at a minimal cost.
  • This device comes with a partially open-sourced MCU that is programmed- the circuits boards components are pre-soldered, so you do not need any extra cost of soldering.
  • The device uses an ARM Cortex –M3 processor including a 2.4-inch color TFT display screen that can be used as an ARM to test the development board at only less than $300.
  • The DSO 138 has a waveform parameter digital display that includes frequency, period, pulse width, and duty ratio that cannot lose the waveform even after a power off.
  • A customer reported that this device worked perfectly with his 9v transformer and a cost-effective price that he could not imagine.

#2. Tablet Oscilloscope – Digital Touch Screen

If you are a lover of the latest technology and you are worried about the high cost of acquiring the best oscilloscope for your demands, Tablet Oscilloscope should make you smile.


  • Tablet has a fully matched 7-inch TFT color display with a resolution of 800× 480 to offer bright color and high contrast at an affordable price
  • This brand comes with an anti-burn, 1 time withstand voltage of up to 400v, and a built-in- 6000Mah high-performance lithium battery relieving you from the worries of purchasing a high-power device which might be expensive.
  • This oscilloscope is equipped with an efficient one-button automatic device and a built-in 1 GB storage to store up to 1000 screenshots of 1000 sets of waveform data saving you from the additional cost of buying a memory space device.
  • The devices come with a USB interface that can be connected to your computer for secondary analysis without having to pay more.


  • No challenge has been reported over the use of this brand for the last 18 months.

#3. Atlas ESR70

Atlas ESR70 is designed to fit your low budget and enjoy perfect performances similar to those experienced when purchasing the costly oscilloscope.


  • This brand has an accurate capacitance measurement that no one can imagine especially when compared to the other expensive brands on the market.
  • This brand will not cost you any amount of hiring an expert as it is simple and fast to use.
  • A customer reported that this device provided her with all reasonable capabilities such as the provision of a tester that works perfectly at a cheaper price.
  • The brand is exceedingly user friendly and does exactly what it is supposed to do.
  • The microprocessor in this device takes care of all the work done by the brand hence ensuring effective performance.


  • Some customers reported that it would be satisfying if the makers of this brand include a probe for this tool even though its price is cheaper.

#4. KKmoon Oscilloscope

If you are looking for the most affordable oscilloscope with a faster sampling speed that will make you enjoy its great features and effective performance, you have to purchase non-other but the KKmoon.


  • KKmoon has high reliability with panel calibration, sparing the need for adjustment with a potentiometer that may accrue additional cost and time to you.
  • This brand is of an Innovative design for the one key silent mode quiet in mastery that extends the life of your battery making you safe from the cost of replacements.
  • It is capable of storing 100 sets of data and 10 waveforms independently without the need for purchasing an additional memory space.
  • KKmoon can effectively eliminate lead resistance to distributed capacitance or interference signals with relative value measurement.
  • Suitable for working even at night because it comes with an LCD with LED backlighting without additional cost.


  • A customer reported that you cannot tell when the distortion starts because the resolution is so poor on the screen and can make waveforms look clipped.

#5. Koechner Oscilloscope

If you are looking for a device that you can rechargeable, Kecheer Oscilloscope is a great brand for your pick.


  • Keecheer Oscilloscope has an FTT display function that can analyze the spectral characteristics of the signal.
  • At a very low cost, you can enjoy the modern technology design o Tablet especially the memory compression technology.
  • It has a high measurement voltage range hence no need for additional power.
  • Assembly this tool will not cost you any expert fee as it is easy


  • The customer claimed that this device is difficult to use and may accrue some additional costs for experts.

CHECK: Cheap Oscilloscopes for Hobbyists

Check Also

oscilloscopes under 1000 dollars

Best Oscilloscopes Under $1000: Ranked Reviews

We realized that the best oscilloscope under $1000 might be a bit challenging to find …

Leave a Reply

Your email address will not be published. Required fields are marked *