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Oscilloscope probes are a type of device commonly used by electrical engineers that can connect a signal source to an oscilloscope. The probe is a single input device that can divert the electrical signal to the scope. Oscilloscope probes can be used in various applications and can range from a simple wire like a passive probe to a more complex device.

An oscilloscope is considered to be the most used instrument for electrical engineers who need to measure electrical characteristics of electronic devices but you also need at least one probe.

### Things to consider when choosing probes
- Ensure the probe's input connector matches the connector on your scope
- Choose a probe whose input resistance and capacitance match the input resistance and capacitance of your scope - matching is critical for guaranteeing proper signal transfer and signal accuracy

The best approach, for matching a probe with a scope, is to first choose a probe whose capacitance is within the range of your scope and then fine-tune the probe's capacitance by adjusting its compensation network using the probe's trimmer capacitor.

The 1X probes are suitable for many low frequency applications. They typically offer the same input impedance of the oscilloscope which is normally 1 M Ohm. The most common type of probe with a built in attenuator gives an attenuation of ten, and it is known as a 10X oscilloscope probe.

### Types of probes

Passive probes are the most commonly used probes for taking measurements. They are easy to use, relatively inexpensive, and fairly rugged. Available in the following configurations:

- 1x: no attenuation
- 10x: factor-of-10 attenuation
- 100x: factor-of-100 attenuation
- 1000x: factor-of-1000 attenuation

Attenuation probes serve to multiply the voltage measurement range of the oscilloscope by using an internal resistor that, when used in conjunction with the input resistance of the scope, creates a voltage divider. Useful for the following reasons:

- It allows for the measurement of a signal that might exceed the limits of the oscilloscope
- The attenuation circuitry results in higher resistance and lower capacitance, which is important for high-frequency measurements

Active probes contain active components, such as FETs or amplifiers. Commonly used for taking high-speed measurements (>500 MHz) or on high-impedance circuits. One limitation is their limited voltage range.

Differential probes are popular for measuring high-frequency signals or signals of very low amplitude.

A current probe measures the electrical current flowing through a conductor.

### Tips:
- Always use an appropriate probe tip and/or probe tip adapter whenever possible
- Keep ground leads short


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<p>Keysight has been working for over 50 years to provide equipment to professionals who look to reliable and high quality products to develop their workplaces. </p><p>Please browse our range of Keysight Oscilloscope Probes, perfect for engineers looking to test different aspects of electronic devices.</p><h2>What Keysight oscilloscope probe types do we offer?</h2><p>We offer several different probe types, to be used for different purposes together, to make a functioning system. These are the types of Keysight oscilloscope probes that we offer:</p><ul><li>Passive type</li><li>Active type</li><li>Surface mount device type</li><li>Differential type</li><li>High frequency probe type</li><li>High voltage type</li></ul><p>Multiple of these products may be required to measure different properties, it is important to check first which ones you will need and what specialist qualities would be necessary for the equipment type as well as the quality you wish to examine.</p><p>Our Keysight oscilloscope probes are made to improve the quality of your connection, providing several different techniques to ensure this, and to determine that you have a trustworthy, long lasting product within your collection.</p> <h3>What are the different options I can choose from so that I can find the Keysight oscilloscope probe for me?</h3><ul><li>Keysight oscilloscope probes come with different probe tip sizes so you can customise this to fit your personal device.</li><li>There are several different cable lengths to choose from so your equipment can work smoothly around your space.</li><li>Our Keysight oscilloscope probes come in different weights so you can choose one that would sit well with your workspace depending on your preference for its weight.</li><li>It is important also to consider the operating temperatures and humidity that you will be working with in order to choose a Keysight oscilloscope probe that would work best for your environment, it is important to get a probe that caters for the scope of temperatures and humidity that you will be dealing with.</li><li>You should further consider the operating altitude that you require for your probe, different probes offer different ranges so you can choose the one that fits your working altitude the best. </li></ul><p>Upon assessing the requirements for your unique workplace, you can find a Keysight oscilloscope probe suited perfectly to you.</p>

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