10 Best Digital Oscilloscopes Under 300$ 2019

Best oscilloscope under 300$ (5)

The humble “Oscilloscope” is one of the most fundamental tools of engineering. No mater which engineering major you were in, it is highly likely that you have worked on them , seen them or at very least heard about them.  They are primarily used to capture signals and study their salient features. And what is a signal you ask? , well as per basic definition it is a “detectable physical quantity or impulse (as a voltage, current, or magnetic field strength) by which messages or information can be transmitted” . Since signals are all around us, so digital oscilloscopes will remain  an integral part of academia and research for some time to come. As per that observation, we have compiled a list of the best portable digital oscilloscopes available under 300$.

Signstek TFT LCD DSO201 (88$)

Signstek TFT LCD DSO201

Pro

  • Very compact and light weight.
  • Multiple trigger modes.

Con

  • Low bandwidth at 1Mhz
  • Low horizontal Sensitivity.

You can get one here

DSO Nano Oscilloscope v3 (88$)

DSO Nano Oscilloscope v3

Pro

  • 32bit digital storage Oscilloscope.

Con

  • Low Bandwidth
  • Charges of USB which is time consuming.

You can get one here

Xminilab, Wave Form Generator (140$)

Xminilab, Wave Form Generator

Pro

  • Has a protocol analyzer(UART,I2C,SPI)
  • Connects through USB to windows, mac,Android and Linux.
  • Can sample both digital and analogue signals simultaneously .

Con

  • Low Bandwidth at 50Khz

You can get one here

JYE Tech Pocket Digital Oscilloscopes (59$)

JYE Tech Pocket Digital Oscilloscopes

Pro

  • Good sampling rate at 2.5Msps
  • You can upload sample data in the form of  CSV file.
  • Provides more features than the price suggests.

Con

  • Battery life unstable.
  • Manufacturer is not reputable and lacks support.

You can get one here

VELLEMAN HPS140I Digital Oscilloscopes (119$)

VELLEMAN HPS140I Digital Oscilloscopes

Pro

  • Great Bandwidth at 40Mhz.
  • Time base is very good 250ns to 1hr per division.

Con

  • Lacks multiple channels
  • LCD is low resolution, troublesome at High frequencies.

You can get one here

SainSmart DSO203 Nano Digital Oscilloscopes (168$)

SainSmart DSO203 Nano Digital Oscilloscopes

Pro

  • Dual analog to digital convertors from 36MS/s to 72MS/s.

Con

  • Bandwidth is not as advertised(72Mhz) it is more likely between 3 to 4Mhz

You can get one here

9-Channel 200Msa/s Oscilloscope-Link Instruments (250$)

9-Channel 200Msa/s Oscilloscope-Link Instruments

Pro

  • High Sampling rate.
  • 60Mhz Bandwidth.

Con

  • Lacks connectivity to smartphones

You can get one here

Velleman HPS50 Digital Oscilloscopes (249$)

Velleman HPS50 Digital Oscilloscopes

Pro

  • A decent bandwidth of 12Mhz at 40Mhz sampling rate.
  • 50ns to 1hour time base.

Con

  • Single Channel
  • Lacks USB support.
  • Battery Life only 2-3Hrs.

You can get one here

Siglent SDS1052DL Digital Storage Oscilloscope (280$)

Siglent SDS1052DL Digital Storage Oscilloscope

Pro

  • Triggers are present if the user wants to isolate signals
  • Bandwidth of 50Mhz
  • Good display quality

Con

  • Only Two channels.
  • Comparatively heavy for a portable device at 2.5Kg.

You can get one here

Owon PDS5022T Portable Digital Storage Oscilloscope (260$)

Owon PDS5022T Portable Digital Storage Oscilloscope

Pro

  • Moderate to good Bandwidth at 25Mhz
  • 3 channels, 2 internal and 1 external.
  • Good resolution Display LCD.
  • High Input impedance

Con

  • Scopes available with the set are not of good quality.

You can get one here

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