LVEM 25E Specifications



Electron gun	Schottky field emission gun
Specimen size	Standard Ø 3.05 mm TEM grids
Objective lens	Magnetostatic
Projective lens	Electrostatic
Specimen movement	x, y: ± 1 mm \| z: ± 0.5 mm
Tilt holder	± 20°
Specimen exchange time	approx. 3 min
VACUUM
AIRLOCK SYSTEM
Diaphragm and turbomolecular pump	10^-5 mbar
OBJECT SPACE
Ion getter pump	10^-8 mbar
ELECTRON GUN
Ion getter pump	10^-9 mbar



TEM
Nominal accelerating voltage	25 kV
Resolution	1.0 nm
Total magnification*	3,400 – 1,300,000×
Magnification in Low mag regime*	1,500×
Field of view	100 – 0.25 μm
Field of view in Low mag regime	225 μm
*valid for image on display at binning 2×2
ELECTRON DIFFRACTION
Probe size	500 – 8,000 nm
Camera length (binning 2x2)	2,000 – 5,000 pixels
Camera constant (binning 2x2)	17 – 40 nm pixels
STEM	STEM 10	STEM 15
Nominal accelerating voltage	10 kV	15 kV
Resolving power	1.0 nm	1.3 nm
Maximum magnification	940,000×	750,000×
Maximum field of view	105 μm	80 μm
SEM (BSE DETECTOR)		SEM 15
Nominal accelerating voltage		15 kV
Resolving power		4 nm
Maximum magnification		750,000×
Maximum field of view		80 μm
EDS
Detector type	Silicon Drift Detector (SDD)
Detector active area	30 mm²
X-Ray Window	Windowless
Energy Resolution	Mn Kα ≤ 129 eV
Maximum throughput	130 000 cps
Hardware integration	Fully embedded
Software	Esprit 2.3



POWER CONSUMPTION
Standby mode	60 VA
Operation consumption	410 VA
Maximum consumption	600 VA
MAINS CONNECTION
Voltage / frequency	100 – 240 V / 50 – 60 Hz
INSTALLATION BENEFITS
No cooling water needed
Only single phase plug needed