PRECESSION ELEPHANT 2 Scan Head 2
13.4 Power supply
Table 15: Power supply
Power supply is provided by the ASC system controller
Supply voltage
± 24 V, DC
Voltage tolerance
± (13.5 to 28 V), DC
13.5 Cooling water
Table 16: Cooling water
Cooling water
Quality
DI-water, filtered, particle size < 100 µm
Pressure drop
3 to 4 bar (300 to 400 kPa)
Volume flow
1.2 to 2.2 l/min
Inlet temperature
max. 30 °C (303 K)
Recommend tubing material
polyetherurethane; D 6 mm, d 4 mm
Specifics
The cooling unit is DI-water-proofed with
corrosion resistant types of steel.
13.6 Gasses and particle extraction
Table 17: Purge gas for the objective (focusing optics unit)
Purge gas for the objective (focusing optics unit)
Quality
pressurized air (2:4:0 according to
ISO 8573-1:2010) or nitrogen gas
(N
2
4.0, oil- and particle-free)
Inlet pressure
max. 50 mbar (5 kPa)
Volume flow
typ. 2 l/min
Recommend tubing material
polyetherurethane; D 4 mm, d 2.5 mm
(or D 4 mm, d 2 mm)
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