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  4. ZEISS - EVO® LS 25

ZEISS - EVO® LS 25

Manufactured by  ZEISS
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Super large environmental SEM

The EVO® LS 25 is the SEM of choice for those users in Life Science whose primary mission is imaging hydrated specimens but are also called upon to image very laarge specimens. With a taller chamber able to handle specimens more that 200 mm tall, with larger movements on the motorised 5 axis stage, the EVO® LS 25 offers a perfect imaging solution for large specimens. Application fields are forensics, museums, car manufacturing, aerospace, flat panel displays and printed circuit boards.
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DETECTOR BSD 5 CHANNEL DIODE

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DETECTOR BSD 5 CHANNEL DIODE
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Features of EVO® LS 25

  • Maximum specimen height of 210 mm    

  • Maximum specimen weight of 5 kg    

  • Maximum specimen diameter of 300 mm    

  • Variable pressure operation    

  • High brightness LaB6 source option    

  • BeamSleeve® option    

    New features    

  • Motorised Z movement of 50 mm, X and Y both 130 mm.    

  • Navigation by imported images from other digital sources    

  • Improved LaB6 imaging for x-ray analysis    

  • Support for two chamberscopes

General Specifications
Accelerating voltage0.2 to 30 kV
Electron Microscope TypeSEM
Power Requirements 100 - 240 V, 50 or 60 Hz single phase, no water cooling requirement
Microscope TypeElectron
Additional Specifications

Magnification:     
< 5 - 1,000,000 x    
Field of View:    
6mm at the Analytical Working Distance (AWD)    
X-ray Analysis:    
8.5mm AWD and 35° take-off angle    
OptiBeam®* Modes:    
Resolution, Depth, Analysis, Field, Fisheye    
Pressure Range:    
10 - 400 Pa (MA Series)    
10 - 3000 Pa (LS Series)    
Available Detectors:    
BSD – Multisegment Diode    
ETSE – Everhart-Thornley Secondary Electron Detector    
VPSE – Variable Pressure Secondary Electron Detector    
SCD – Specimen Current Detector    
Chamber:    
420mm (Ø) x 330mm (h)    
Maximum Specimen Height:    
210 mm    
Image Framestore:    
3072 x2304 pixel, signal acquisition by integrating and averaging

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