USTER
®
HVI SPECTRUM
Instruction Manual
Uster Technologies, Inc. Chapter 2
Installation • Page 2-3
2.2 Air Requirements
The system pressure should be regulated between 100psi and 150psi of
clean, dry, unregulated compressed air. Use of dryer system, air filters
and water trap is highly recommended.
Air Pressure 100 - 120 PSIG (585-825 kPA)
Amount of compressed air approx. 8.5m
3
/h
Air Tubes Diameter 10 mm (3/8”)
2.2.1 Air Quality Requirements
The air supplied to the instrument should comply with ISO8573.1
Quality Class 3 as follows:
• DIRT particle size: < 5 microns
• WATER Pressure Dew Point: <-4 F @ 100 PSIG
(128 ppm by volume)
• OIL (including vapor): < 1.0 ppm
If the air line will be subjected to temperatures that could promote
condensation, a water filter attached to the air line inside the lab is
recommended to remove any condensation that may occur.
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