LVEM5 - Specifications


Grids 3 mm TEM grids
Specimen Exchange Time ~ 3 minutes
Motorized Stage Movement  

Electron Optics

Condenser Lens Permanent magnets
Smallest illuminated area 100 nm
Condenser apertures f 50, 30 µm
Objective Lens magnetostatic
Focal length 1.26 mm
CS 0.64 mm
CC 0.89 mm
αtheoretical (aperture angle)
10-2 rad
Objective (contrast) aperture f 50, 30 µm
Projection Lenses (TEM) Electrostatic
Basic TEM Single Lens
TEM BOOST Double Lens

Electron Gun (FEG)

Schottky cathode ZrO/W[100]

Current density 0,2 mA sr-1
Lifetime > 2,000 hours

Light optics

Objectives Olympus M 4x NA 0.13
Objectives Olympus M 40x NA 0.95
TEM Image Capture
Basic TEM  
Camera Retiga 4000R CCD          
Sensor Size 2,048 x 2,048 pixels
Digitization 12-bit
Pixel Size 7.4 x 7.4 µm
Cooling Peltier cooled
Read Noise 12 e-
Camera Zyla 5.5 Scientific CMOS
Sensor Size 2,560 x 2,160 pixels
Digitization 12 or 16 bit
Pixel Size 6.5 x 6.5 µm
Cooling TE Cooled
Read Noise 1.2 e-
Imaging modes TEM, ED, STEM, SEM
Basic TEM  
Resolving power 2 nm           
Total Magnification 2,200-230,000x
Resolving power 1.2nm
Total Magnification 1,400-700,000
ED (Electron Diffraction)  
Minimum Probe Size 100 nm
Camera Length (binning 1x1) 2,100 Pixels
Camera Constant (binning 1x1) 36.3 nm pixels
Resolving Power 2.5 nm
Max. Magnification 250,000x
Max. Field of view 25 x 25 um
SEM (BSE detector)  
Resolving Power 3 nm
Max. Magnification 100,000x
Max. Field of view 200x200um


Airlock System (for Sample Exchange)  
Diaphragm and Turbomolecular pump 10-5 mbar

Object Space

Ion Getter Pump (10 lsec-1) 10-8 mbar

Electron Gun

Ion Getter Pump (3 lsec-1) 10-9 mbar

Electrical Requirements (Consumption)

Standby (Ion Getter Pumps Only) 11 W
Power Supply 120 W
Airlock Vacuum Pumping System 250 W

Click here for statement of electrical conformity

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  Weight Size (L x W X H)
Electron and Light Optics System
          (Microscope proper and housing)
25 kg (55 lbs) 29 x 45 x 43 cm
(12 x 17 x 16 inches)
Airlock Pumping System
          (Floor-based Turbo-Molecular Pump)
17 kg (37 lbs) 30 x 30 x 34 cm
(12 x 12 x 13 inches)
Power Supply
          (Electronics Unit)
19 kg (41 lbs) 47 x 27 x 27 cm
(19 x 11 x 11 inches)
Accelerating voltage 5kV

*No cooling water is required

LVEM5 Product Tour

The LVEM5 is the next generation of electron microscopes, built on a revolutionary technology platform that combines advanced imaging with unparalleled benchtop convenience.