7-4 Site Preparation
7 Compressed Air and Vacuum Requirements
Compressed Air Specifications
Table 7-1 shows the compressed air specifications for the systems.
Air Quality
The compressed air must be oil-free and must meet the humidity specifications in
Table 7-1. We recommend that the air be filtered to remove contaminants such as
oil and aerosols. The filter should filter 0.3-micron particles.
Table 7-1 Compressed air specifications for the system
Description Measurement
Maximum Pressure for Testhead Only 1035 kPa (150 psi)
Minimum Pressure for Testhead Only 480 kPa (70 psi)
Minimum Flow Rate for Testhead Only 0.66 l/s at STP (1.4 SCFM)
Relative Humidity allowed 70% for compressed air (150 psi) at 25°C
50% for compressed air (150 psi) at 40°C
Dew point must be not more than 5°C
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