Oscilloscopes

An Oscilloscope, also known as O-scope, is a complex electronic laboratory instrument commonly used to capture, process, display and analyse the waveform and bandwidth of electronic signals. The device draws a graph of the instantaneous signal voltage as a function of time. O-scopes is an analyzer of a signal that comes from a signal generator. Digital oscilloscopes are often referred to as digital storage oscilloscope (DSO) or digital sampling oscilloscopes (DSO). You can learn more in our complete guide to oscilloscopes.

Different types of Oscilloscopes

Oscilloscopes fall into various categories. The biggest distinction is whether they are digital or analogue oscilloscopes. Within the digital oscilloscopes area, there are several different types.

  • Digital oscilloscopes: Basic type of oscilloscope used. Has several capabilities from a processing of the basic waveform to advance triggering.
  • Storage Oscilloscope (DSO): Has a memory to sore waveforms and display them for a period of time.
  • Phosphor oscilloscopes (DPO): use a parallel processing architecture to enable it to capture and display signals.
  • Digital sampling oscilloscopes: Used for analysing high-frequency signals for example up to 50 GHz.
  • Mixed Domain Oscilloscope, MDO: Can operate in more than one domain, i.e. in time to display waveforms and in frequency to display signal spectra.
  • Mixed Signal Oscilloscope, MSO: Combines an oscilloscope function with that of a logic analyser.

How does a digital oscilloscope work?

The oscilloscope is a graph-displaying instrument. It draws a graph of an electrical signal. In most applications the graph shows how signals change over time, the vertical (Y) axis represents voltage and the horizontal (X) axis represents time. Some of the oscilloscopes featuring additional user-friendly elements such as USB ports for downloading measurement data.

In its simplest form, a digital oscilloscope features six elements:

  • Analogue vertical input amplifiers
  • Analogue-to-digital converter and a digital waveform memory
  • Time base which features a triggering and clock drive
  • Circuits for waveform display and reconstruction
  • LED or LCD display
  • Power supply

How to choose the best oscilloscopes?

Oscilloscopes are widely used in industry and are being increasingly used as they now offer better performance levels than ever before.

There are many different types of oscilloscope each having their own characteristics. For example, the small, lightweight handheld digital oscilloscopes are ideal for use by technicians working in service, maintenance and installation applications. This means that different oscilloscopes types are applicable for different applications and choosing the correct type enables it to perform to its best and therefore gain the most from it.


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Description Price Number of Channels Bandwidth Digital/Analogue Oscilloscope Form Oscilloscope Type Series Calibrated Interface Power Source Display Type Memory Depth Minimum Vertical Sensitivity Waveform Refresh Rate Maximum Vertical Sensitivity
RS Stock No. 123-3622
BrandRS PRO
£1,379.87
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4 100MHz Digital Digital Storage Portable IDS2000 UKAS - Mains LCD - 1mV/div - 10V/div
RS Stock No. 180-4800
BrandRS PRO
£1,499.00
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4 200MHz Digital Mixed Domain Bench RSMDO-2000EX - CAN, IIC, LIN, RJ45, SPI, UART, USB Mains TFT LCD, WVGA - 1mV/div 120000 10V/div
RS Stock No. 180-5078
BrandRS PRO
£887.25
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2, 16 200MHz Digital Mixed Signal Bench - RSCAL - Mains TFT LCD, WVGA - 1mV/div - 10V/div
RS Stock No. 180-4804
BrandRS PRO
£1,698.00
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4 200MHz Digital Mixed Domain Bench RSMDO-2000EG - CAN, IIC, LIN, RJ45, SPI, UART, USB Mains TFT LCD, WVGA - 1mV/div 120000 10V/div
RS Stock No. 123-3621
BrandRS PRO
£1,347.87
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4 100MHz Digital Digital Storage Portable IDS2000 RSCAL - Mains LCD - 1mV/div - 10V/div
RS Stock No. 180-4799
BrandRS PRO
£1,298.00
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2 200MHz Digital Mixed Domain Bench RSMDO-2000EX - CAN, IIC, LIN, RJ45, SPI, UART, USB Mains TFT LCD, WVGA - 1mV/div 120000 10V/div
RS Stock No. 163-2719
BrandRS PRO
£149.00
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2 20MHz - - PC Based - - - USB - - 10mV/div - 4V/div
RS Stock No. 716-0972
Mfr. Part No.FLUKE-190-204/UK
BrandFluke
£4,658.00
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4 200MHz Digital - Handheld 190 II UKAS - Battery, Mains Colour - 2mV/div - 100V/div
RS Stock No. 716-0979
Mfr. Part No.FLUKE-190-204/UK
BrandFluke
£4,625.00
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4 200MHz Digital - Handheld 190 II RSCAL - Battery, Mains Colour - 2mV/div - 100V/div
RS Stock No. 716-7387
Mfr. Part No.FLUKE-190-204/UK
BrandFluke
£4,510.00
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4 200MHz Digital - Handheld 190 II - - Battery, Mains LCD - 2mV/div - 100V/div
RS Stock No. 919-6844
Mfr. Part No.FLUKE-125B/UK
BrandFluke
£1,963.00
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2 40MHz Digital - Handheld 125 UKAS - Battery - - 5mV - 200V/div
RS Stock No. 919-6841
Mfr. Part No.FLUKE-125B/UK
BrandFluke
£1,931.00
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2 40MHz Digital - Handheld 125 RSCAL - Battery - - 5mV - 200V/div
RS Stock No. 919-5065
Mfr. Part No.FLUKE-125B/UK
BrandFluke
£1,835.00
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2 40MHz Digital - Handheld 125 - - Battery - - 5mV/div - 200V/div
RS Stock No. 793-4694
Mfr. Part No.PICOSCOPE 2204A
£184.00
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2 10MHz Analogue - PC Based PicoScope 2000 RSCAL - USB Analogue Intensity, Custom, Digital Colour, None - 10mV/div - 4V/div
RS Stock No. 793-4698
Mfr. Part No.PICOSCOPE 2204A
£214.00
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2 10MHz Analogue - PC Based PicoScope 2000 UKAS - USB Analogue Intensity, Custom, Digital Colour, None - 10mV/div - 4V/div
RS Stock No. 793-3654
Mfr. Part No.PICOSCOPE 2204A
£99.00
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2 10MHz Analogue - PC Based PicoScope 2000 - - USB - - 10mV/div - 4V/div
RS Stock No. 800-4811
Mfr. Part No.TBS1052B-EDU
BrandTektronix
£804.06
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2 50MHz Digital Digital Storage Portable TBS1000 UKAS - Mains TFT LCD - 2mV/div - 5V/div
RS Stock No. 800-4817
Mfr. Part No.TBS1052B-EDU
BrandTektronix
£774.06
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2 50MHz Digital Digital Storage Portable TBS1000 RSCAL - Mains TFT LCD - 2mV/div - 5V/div
RS Stock No. 919-6706
Mfr. Part No.FLUKE-123B/UK
BrandFluke
£1,377.00
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2 20MHz Digital - Handheld 123 RSCAL - Battery - - 5mV - 200V/div
RS Stock No. 919-6709
Mfr. Part No.FLUKE-123B/UK
BrandFluke
£1,409.00
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Units
2 20MHz Digital - Handheld 123 UKAS - Battery - - 5mV - 200V/div