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Phenom Pharos Desktop SEM


Thermo Scientific

Thermo Scientific

The Thermo Scientific Phenom Pharos is a desktop SEM with an FEG source that makes crisp, high-brightness images and the benefits of an FEG source accessible to everyone. It is also easy to operate, from the initial installation to the actual usage, thanks to its intuitive and compact design.

The advanced hardware design and detectors enable a fast time to image and easy, foolproof handling.

Key Differences

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High-brightness images

The Phenom Pharos Desktop SEM is designed in such a way that the power of an FEG source, like crisp, high-brightness images, can be accessed by all.

Optional secondary electron detector

The SED collects low-energy electrons from the top surface layer of the sample. It is therefore the perfect choice to reveal detailed sample surface information.

High diversity in applications

You can gain more insights with the Phenom Pharos Desktop SEM within specific SEM applications by using a broad range of sample holders, such as metallurgical, temperature controlled, electrical feed-through, and many 3rd party sample holders.

Technical Specification

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Light optical magnification

  • 20–134x

Electron optical magnification range

  • 200–1,000,000x


  • 2.5 nm (SE), 4 nm (BSE) at 15 kV

  • 10 nm (SE) at 3 kV

Digital zoom

  • Max. 12x

Light optical navigation camera

  • Color

Acceleration voltages

  • Default: 5 kV, 10 kV and 15 kV

  • Advanced mode: adjustable range between 2 kV and 15 kV

Vacuum modes

  • High vacuum mode

  • Medium vacuum mode

  • Integrated charge reduction mode (low vacuum mode)


  • Back scattered electron detector (standard)

  • Energy-dispersive X-ray spectroscopy (EDS) detetor (optional)

  • Secondary electron detector (optional)

Sample size

  • Up to 25 mm diameter (32 mm optional)

Sample height

  • Up to 35 mm (100 mm optional)

Phenom Pharos Desktop SEM


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