Instruction manual

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