Lucent Technologies Definity Audix System Release 4.0 User Manual
Page 29
DEFINITY AUDIX System Release 4.0
System Description Pocket Reference
585-300-214
Issue 1
May 1999
Design and Operation
2-13
Operating Requirements
Table 2-4
shows the system’s atmospheric requirements.
Table 2-4.
Atmospheric Requirements
Table 2-5
shows the system’s tolerance for airborne contaminants.
Temperature
1
(° F)
1.
For customer sites at altitudes above 5000 feet, subtract 1°F from the
maximum temperature for every 1000 feet over 5000. For example,
the maximum temperature at 6000 feet is 84°F; the maximum
temperature at 7000 feet is 83°F
Relative humidity (%)
Air pressure (psi)
65 to 85
20 to 60
9.4 to 15.2
Table 2-5.
Air Purity Requirements
Contaminant
Average Concentration
Total particulate matter, including the following:
Dust
Lint
Carbon particles
Paper fiber
Metal fragments
185.00 microgram/m
3
Nitrate in particulate matter
12.00 microgram/m
3
Corrosive gases
Total hydrocarbons equivalent to methane
10.00 ppm
Sulphur dioxide
0.20 ppm
Oxides of nitrogen
0.30 ppm
Total oxidants equivalent to ozone
0.05 ppm
Hydrogen sulfide
0.10 ppm