Hitachi Microscope & Magnifier S-4800 User Manual

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PRECAUTION - 11  
INSTALLATION CONDITIONS 
1.  Power Requirements 
 
100 V AC (
±
10%), single phase, 50/60 Hz, 4 kVA 
In case to use other voltage than 100V AC, a double insulation transformer should be provided 
by user. 
Exclusive grounding of less than 100 ohms in ground resistance should be provided by user. 
 
 
2.  Physical Dimensions 
 
Main unit ............................. S-4800I 
  840 (W) 
×
 966 (D) 
×
 1620 (H) mm: 583 kg 
 S-4800II 
 
840 
(W) 
×
 966 (D) 
×
 1660 (H) mm: 651 kg 
Display unit ...........................................1000 (W) 
×
 960 (D) 
×
 1200 (H) mm: 205 kg 
 
 
3.  Installation Environment 
 
(1) Ambient 
temperature ............... 15 
°
C to 25 
°
C (temperature variation 0.5 
°
C/10 min) 
 
(2)  Relative humidity ..................... Less than 60%, without condensation 
 
(3)  Stray magnetic field 
 
 
Accelerating 
Voltage
 
Working 
Distance
 
Magnification 
Frequency 
Component 
Synchronous with 
Power Supply AC 
Magnetic Field 
(effective value)
 
Frequency 
Component 
Asynchronous with 
Power Supply DC 
Magnetic Field 
Fluctuation
 
Change with Time 
(drift)
 
15 kV 
4.0 mm 
220,000
×
 
290 nT (horizontal)
220 nT (vertical) 
320 nT (horizontal) 
240 nT (vertical) 
600 nT/min (horizontal) 
450 nT/min (vertical) 
Allowable
value 
1 kV 
1.5 mm 
120,000
×
 
150 nT (horizontal)
130 nT (vertical) 
170 nT (horizontal) 
150 nT (vertical) 
310 nT/min (horizontal) 
280 nT/min (vertical) 
nT: Nano Tesla