环境类别 Environmental category | 普通环境 | 普通环境 |
温度/℃ Temperature/℃ | 16～28 | 25～28 |
日温差/℃ Daily temperature difference/℃ | ≤4 | ≤4 |
换气次数/(次·h-1) Air change rate/(air changes per hour, ACH) | ≥8 | ≥12 |
相对湿度/% Relative humidity/% | 30～70 | ≤60 |
动物笼具周边处气流速度/(m·s-1) Airflow velocity around animal cages/(m·s-1) | ≤0.20 | ≤0.20 |
噪声/dB(A) Noise/dB(A) | ≤60 | ≤60 |
工作照度/lx Working illuminance/lx | ≥150 | ≥200 |
动物照度/lx Animal illuminance/lx | 100～200 | 100～200 |
与相通区域的静压差/Pa Static pressure difference relative to adjacent area/Pa | — | — |
空气洁净度/级别 Air cleanliness/level | — | — |
沉降菌平均浓度/CFU·（皿·0.5 h）-1 Average concentration of sedimentation bacteria/CFU(plate·0.5 h)-1 | — | ≤30 |
氨浓度/(mg·m-3) Ammonia concentration/(mg·m-3) | ≤14 | ≤14 |
光照周期（明暗交替）/h Light cycle (light-dark cycle)/h | 12～14/12～10 | 12/12 |