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An Oscilloscope, also known as an O-scope or 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 are analysers of signals that come from a signal generator. Digital oscilloscopes are often referred to as digital storage oscilloscopes (DSO) or digital sampling oscilloscopes (DSO). 

## **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](https://hken.rs-online.com/web/c/test-measurement/oscilloscopes-accessories/oscilloscopes/?applied-dimensions=4294463015): Basic type of oscilloscope used. Has several capabilities, from a processing of the basic waveform to advanced triggering.
- Storage Oscilloscope (DSO): Has a memory to store 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.
- [Analogue Oscilloscopes](https://hken.rs-online.com/web/c/test-measurement/oscilloscopes-accessories/oscilloscopes/?applied-dimensions=4294455555): Use cathode-ray tubes (CRTs) to display basic waveforms.

## **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 feature 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?**

When selecting an oscilloscope, several key factors should guide your decision to ensure you get the best performance for your needs.

- **Portability:** Consider whether you need a handheld oscilloscope for fieldwork or a benchtop model for stationary use. [Handheld oscilloscopes](https://hken.rs-online.com/web/c/test-measurement/oscilloscopes-accessories/oscilloscopes/?applied-dimensions=4294464232) are portable and, hence, offer convenience and mobility, while [benchtop oscilloscopes](https://hken.rs-online.com/web/c/test-measurement/oscilloscopes-accessories/oscilloscopes/?applied-dimensions=4294460488) typically provide more features and stability.
- **Bandwidth:** Bandwidth determines the range of frequencies an oscilloscope can accurately measure. Choose a model with sufficient bandwidth to handle the highest frequency signals you plan to analyse, ensuring accurate and reliable measurements.
- **Number of Channels:** The number of channels dictates how many signals you can observe simultaneously. For complex diagnostics or multiple signal analysis, a higher number of channels will provide a more comprehensive view.
- **Functionality:** Evaluate the additional features and functionality, such as digital storage, triggering options, and advanced analysis capabilities. Enhanced functionality can significantly improve diagnostic precision and ease of use.

For top-quality handheld, portable, and wireless oscilloscopes, RS HK offers reliable and high-performing solutions to meet your specific needs.

## **Oscilloscope Applications**

Here are some of the common industrial applications of oscilloscopes:

- **Electronics Testing:** Oscilloscopes are used to troubleshoot and verify electronic circuits, ensuring components function correctly and diagnosing faults effectively.
- **Signal Analysis:** Engineers use oscilloscopes to analyse and measure signal waveforms, helping to understand signal behaviour and improve system performance.
- **Automotive Diagnostics:** In automotive applications, oscilloscopes assist in diagnosing issues with engine sensors and electronic control systems, enhancing vehicle maintenance and repair.
- **Telecommunications:** Oscilloscopes help in testing and maintaining communication systems by analysing signal integrity and ensuring reliable data transmission.
- **Power Electronics:** Used to monitor and evaluate power supply systems, oscilloscopes help in analysing electrical waveforms to ensure stable and efficient operation.

## **How to Order Oscilloscopes from RS HK?**

As a trusted supplier, RS HK offers high-quality oscilloscopes from leading brands such as [Tektronix](https://hken.rs-online.com/web/c/test-measurement/oscilloscopes-accessories/oscilloscopes/?applied-dimensions=4294965399), [Keysight Technologies](https://hken.rs-online.com/web/c/test-measurement/oscilloscopes-accessories/oscilloscopes/?applied-dimensions=4293795174), [Pico Technology](https://hken.rs-online.com/web/c/test-measurement/oscilloscopes-accessories/oscilloscopes/?applied-dimensions=4293755154) and other test and measurement devices such as [data loggers](https://hken.rs-online.com/web/c/test-measurement/data-acquisition-logging/data-loggers/), [air quality testers](https://hken.rs-online.com/web/c/test-measurement/environmental-test-measurement/air-quality-monitors/) and more. To buy, you can place an order using our online platform. We aim to ensure quick delivery, with options for next-day shipping or local branch pickup. Alternatively, you can call 852 2421 9898 for personal assistance. 

If you need oscilloscopes frequently for your business, consider setting up a blanket order. This allows you to place multiple orders under a single number with a fixed spend limit. We will track your transactions and notify you once your limit is reached. With these options, RS HK ensures a reliable and efficient ordering experience.

## **How Delivery Works at RS HK?**

RS HK offers efficient and flexible delivery options for oscilloscopes to meet your needs. We strive to ensure prompt delivery of your orders, with services tailored to suit your schedule.

Please note that delivery is not available in restricted areas. Delivery is free for business account holders and private account holders on orders over $850. For more details on shipping and delivery charges, please refer to our [delivery information](https://hken.rs-online.com/web/content/services/delivery) page.



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