Installation Conditions - Hitachi TM3000 Instruction Manual

1.4 Installation Conditions

Install the system in a place that meets the following conditions.
Item
General 1. Level location
requirements 2. Away from water spill
3. Away from external shock
4. Away from heat sources
5. Away from a strong magnetic field (vertically from system: 15 nT,
6. Absence of a strong electric field
7. Absence of dust particles
8. Absence of vibrations
Vibration Frequency ≦ 7 Hz, 4.0 µm p-p or less
10 Hz ＜ frequency, 2.0 cm/s
Magnetic field
Noise 75 dB or less (frequency ≦ 150 Hz) [C characteristics: 72 dB max.
(frequency ≦ 150 Hz)]
Ambient 15 to 30°C (
temperature
Ambient 45 to 70［%RH］. (No condensation)
humidity
Main unit Single-phase AC 100 to 240 V (Min. 90 V, Max. 250 V), 500 VA,
power supply 50/60 Hz
3P outlet (grounding resistance of less than 100 Ω)
Installation Recommended: 700 mm (H) x 1200 mm (W) x 800 mm (D) or larger
area Minimum: 700 mm (H) x 1000 mm (W) x 800 mm (D) or larger
Table 1.4 Installation conditions
horizontally from system: 5 nT）
7 Hz ＜ frequency ≦ 10 Hz, 1.5 µm p-p or less
Allowable stray magnetic field for the TM3000
Accelerating voltage: 5 kV
Magnification: 2 kx
D：4.5 mm
Accelerating voltage: 15 kV
Magnification: 5 kx
D：4.5 mm
t＝±2.5°C/h or less)
⊿
Installation conditions
2
or less
AC magnetic field
(nT)
Horizontal Vertical Horizontal
151 243
116 148
1 - 4
DC magnetic field
fluctuation (nT)
(Peak-to-Peak)
Vertical
1065 1717
818 1045