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 Interface Power Source Display Type Memory Depth Minimum Vertical Sensitivity Waveform Refresh Rate Maximum Vertical Sensitivity Minimum Time Base
RS庫存編號 919-5069
製造零件編號FLUKE-125B/INT
BrandFluke
HK$20,106.64
單位
2 40MHz Digital - Handheld 125 - Battery - - 5mV/div - 200V/div 10ns
RS庫存編號 811-1243
製造零件編號FLUKE 190-504/UN
BrandFluke
HK$55,933.83
單位
4 500MHz Digital - Handheld 190 - Battery LCD - 2mV/div - 100V/div 4ms/div
RS庫存編號 919-5047
製造零件編號FLUKE-123B/INT
BrandFluke
HK$14,535.14
單位
2 20MHz Digital - Handheld 123 - Battery - - 5mV/div - 200V/div 20ns
RS庫存編號 919-5093
製造零件編號SP120B
BrandFluke
HK$370.15
單位
- - - - - 120B - - - - - - - -
RS庫存編號 919-5053
製造零件編號FLUKE-124B/INT
BrandFluke
HK$18,314.28
單位
2 40MHz Digital - Handheld 124 - Battery - - 5mV/div - 200V/div 10ns
RS庫存編號 737-8268
製造零件編號FLUKE-190-102/UN/S
BrandFluke
HK$42,183.58
單位
2 100MHz Digital - Handheld 190 II - Battery, Mains LCD - 2mV/div - 100V/div 5ns/div
RS庫存編號 738-3756
製造零件編號FLUKE-190-202/UN
BrandFluke
HK$47,047.33
單位
2 200MHz Digital - Handheld 190 II - Battery, Mains Colour - 2mV/div - 100V/div 2ns/div
RS庫存編號 737-8252
製造零件編號FLUKE-190-104/UN/S
BrandFluke
HK$51,341.01
單位
4 100MHz Digital - Handheld 190 II - Battery, Mains LCD - 2mV/div - 100V/div 5ns/div
RS庫存編號 737-8256
製造零件編號FLUKE-190-062/UN/S
BrandFluke
HK$38,524.93
單位
2 60MHz Digital - Handheld 190 II - Battery, Mains LCD - 2mV/div - 100V/div 10ns/div
RS庫存編號 2552554539
製造零件編號VPS220-R (1)
BrandFluke
HK$2,110.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554526
製造零件編號SW90W (1)
BrandFluke
HK$3,420.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554522
製造零件編號SCC 128 (1)
BrandFluke
HK$7,800.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554518
製造零件編號FLUKE-190-202/UN (1)
BrandFluke
HK$39,620.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554513
製造零件編號FLUKE-125B/INT/S (1)
BrandFluke
HK$25,710.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554523
製造零件編號MA190 (1)
BrandFluke
HK$3,770.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554520
製造零件編號FLUKE-190-204/UN/S (1)
BrandFluke
HK$50,890.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554516
製造零件編號FLUKE-190-502/UN/S (1)
BrandFluke
HK$53,730.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554512
製造零件編號FLUKE-124B/INT/S (1)
BrandFluke
HK$21,100.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554519
製造零件編號FLUKE-190-202/UN/S (1)
BrandFluke
HK$43,730.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554515
製造零件編號FLUKE-190-102/UN (1)
BrandFluke
HK$35,500.00
單位
- - - - - - - - - - - - - -