****SOLD****
The S-4700 Type II for sale presents an exceptional opportunity for buyers seeking a high-resolution electron microscope. This unit has been meticulously maintained by Hitachi Trained Engineers and has benefited from continuous coverage under a service contract since its original manufacture and installation in the United States. Customers purchasing this system will enjoy a comprehensive package, as the price includes shipping, professional installation, and a one-year warranty exclusively for US customers.
The included one-year warranty covers parts as specified in the Terms and Conditions, ensuring peace of mind for buyers. Additionally, the warranty offers unlimited service calls and one preventive maintenance visit during the coverage period, further supporting reliable operation and long-term performance.
Accessories:
Include Bruker EDS xFlash
Chamberscope with 17" LCD
Upgraded Turbo Molecular Pump
SPECIFICATION
Secondary electron image resolution:
2.1 nm at 1 kV
1.5 nm at 15 kV
Electron optics:
Electron gun Cold field emission electron source
Acc. voltage 0.5 ~ 30 kV (variable at 0.1 kV/step)
Probe current 1 pA ~ 2 nA (depends on Acc. voltage)
Magnification ×20 ×500,000
Objective aperture Heated movable aperture, 4-opening, selectable and alignable outside the vacuum
Image display:
Operation/display OS: Windows NT with Internal Computer for extracting files.
Scan mode: Normal, Split/dual mag./line scan, position
set, spot, AAF, SAA, oblique
Frame memory: 640 × 480 pixels, 1,280 × 960 pixels,
2,560 × 1,920 pixels
Image filing Image data base with various reference
functions built-in
Image file format BMP, TIFF, JPEG selectable
Scan speed TV, slow (0.5 ~ 40 s/frame) for viewing
Slow (40 ~ 320 s/frame) for recording
Image processing Automatic image brightness & contrast,
raster rotation, autofocus, auto-stigmation,
averaging, frame integration, color display
Auto data recording Film numbering, acc. voltage, micron bar
with a scale, magnification, date, hours and
working distance
Electrical image shift ±15 microns (at W.D = 12 mm)
Vacuum system System Automatic vacuum sequence
with pneumatic valve controls
Evacuation:
Vacuum ~10–7 Pa (electron gun),
~10–4 Pa (specimen chamber)
Pumps Fore pumps 140 l/min (168 l/min)
Diffusion pump 570 l/s × 1 set,
and Ion pumps × 3 sets
Protection System protection against power,
water and vacuum failures.
Dimensions & weight:
Column 82 × 88 × 165 (H) cm, 410 kg
(for type II stage)
Display 120 × 90 × 137(H) cm, 235 kg
Ion pump power supply 37 × 60 × 60 (H) cm, 75 kg
Power unit 39 × 70 × 47 (H) cm, 35 kg
Optional accessories
EDX system, TMP vacuum system, Closed
water circulator, RS-232C comunication interface,
network interface.
Installation utility requirements:
Room temperature: 15 ~ 25 °C or 59 ~ 77 °F
Relative humidity: 60% or less
Power: Single phase AC 100, 110, 115, 200, 220,
240V ±10%, 50/60 Hz, 4 kVA (Continuous
supply is required.)
Grounding: First grade grounding (Grounding
resistance of 100 ohms or less) × 1
Cooling water: 1.5 ~ 2.0 l/min., 50 ~ 100 kPa
10 ~ 20°C, variation within
0.5°C/10 min.

