Huawei Airbridge BTS3612A-1900, Technical Manual

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Technical Manual
Airbridge BTS3612A CDMA Base Station System Principle
Appendix C Environment Requirements
C-2
Table C-2 Requirements for the density of physically active substances
Substance Unit Density
Suspending dust mg/m³
ñ
5.00
Falling dust mg/m² ∙ h ñ 20.0
Sands mg/m³ ñ 300
Note:
Suspending dust: diameter
ñ
75 m
Falling dust: 75 m ñ diameter ñ 150 m
Sands: 150 m ñ diameter ñ 1,000 m
z
The density of chemically active substances shall meet the requirements listed in
Table C-3.
Table C-3 Requirements for the density of chemically active substances
Substance Unit Density
SO
2
mg/m³
ñ
0.30
H
2
S mg/m³ ñ 0.10
NO
2
mg/m³ ñ 0.50
NH
3
mg/m³ ñ 1.00
Cl
2
mg/m³ ñ 0.10
HCl mg/m³
ñ
0.10
HF mg/m³ ñ 0.01
O
3
mg/m³ ñ 0.05
IV. Mechanical stress
Table C-4 Requirements for mechanical stress
Item Sub-item Range
Displacement ñ 7.0mm -
Acceleration - ñ 20.0m/s²
Sinusoidal vibration
Frequency range 2~9Hz 9~200Hz
Impact response
spectrum II
ñ 250m/s²
Unsteady impact
Static load capability ñ 5kPa