Huawei OSN 3500, Техническое руководство, Страница: 65 / 72

Technical Specifications OptiX OSN 3500 TM - SD
7-17
Table 7-23 Other climate requirements
Item Range
Altitude = 4000m
Air pressure 70 ~ 106kPa
Temperature change rate = 5
°
C/h
Solar radiation = 700W/s²
Heat radiation = 600W/s²
Air speed = 1m/s²
2. Biological environment
Avoid multiplication of microbe, such as eumycete and mycete.
Avoid the rodent, e.g., mice.
3. Air cleanliness
No explosive, electric-conductive, magnetic-conductive or corrosive duct.
The density of the mechanical active substances complies with the requirements
listed in Table 7-24.
Table 7-24 Density requirements for mechanical active substances
Mechanical active
substance
Content
Dust particle = 3 × 10
5
particles/m³
Suspending dust =0.4 mg/m³
Precipitable dust = 15 mg/m²·h
Gravel = 100 mg/m³
The density of the chemical active substances complies with the requirements listed
in Table 7-25.
Table 7-25 Density requirements for chemical active substances
Chemical active substance Content
SO
2
= 0.20 mg/m³
H
2
S = 0.006 mg/m³
NH
3
= 0.05 mg/m³
Cl
2
= 0.01 mg/m³
HCl = 0.10 mg/m³