Huawei Airbridge BTS3612A-1900 Technical Manual page 117

Technical Manual
Airbridge BTS3612A CDMA Base Station
The density of chemically active substances shall meet the requirements listed in
Table C-7.
Table C-7 Requirements for the density of chemically active substances
IV. Mechanical stress
Table C-8 Requirements for mechanical stress
Item
Sinusoidal
vibration
Random
vibration
Unsteady
impact
Substance
Falling dust
Sands
Suspending dust: diameter ñ75 m
Falling dust: 75 mñdiameterñ150 m
Sands: 150 mñdiameterñ1,000 m
Substance
SO
2
H S
2
NO
2
NH
3
Cl
2
HCl
HF
O
3
Sub-item
Displacement
Acceleration
Frequency range
Acceleration spectrum density
Frequency range
Impact response spectrum II
Static load capability
C-4
Appendix C Environment Requirements
Unit
mg/m²∙h
mg/m³
Note:
Unit
mg/m³
mg/m³
mg/m³
mg/m³
mg/m³
mg/m³
mg/m³
mg/m³
ñ7.5mm
-
ñ20.0m/s²
2~9Hz 9~200Hz
10m²/s³ 3m²/s³
2~9Hz 9~200Hz
ñ300m/s²
ñ10kPa
System Principle
Density
ñ3.0
ñ100
Density
ñ0.30
ñ0.10
ñ0.50
ñ1.00
ñ0.10
ñ0.10
ñ0.01
ñ0.05
Range
- -
ñ40.0m/s²
200~500Hz
1m²/s³
200~500Hz