Fig. 4 Example of open and well drained fixtures for flat test panels (left) and minimum recommended stacking distance of panels (right)
图4 适用于平板试样的开放且排水畅通的夹具（左图）；建议***板间距（右图）
Table 1. Climate program, step by step in automated mode
表1 环境表，自动模式的各个步骤
|
Step 步骤 |
Time elapsed 耗时 |
Duration of step 步骤持续时间 |
Climate settings at start of step 初始环境设定 |
Comments备注 | |||
| no | h | m | h m | m | T (°C) | % RH | |
| 1a | 0 | 0 | 0 | 10* | 50* | 70* | Spray thoroughly 0.5% NaCl to wet and cool0.5%氯化钠，湿透且冷却 |
| 1b | 0 | 10 | 0 | 20 | 30-50 | Wet | Cool chamber with maximum capacity *大限度冷却试验箱 |
| 1a’ | 0 | 30 | 0 | 3 | <30 | Wet | Spray to regain wetness (cooling dries) 通过喷洒使干冷的试验箱再次湿润 |
| 1c | 0 | 33 | 2 | 27 | <30 | wet (95) | 25±2 to be reached within 1 h from start (1a) 从步骤1a开始，一小时内达到25±2 |
| 1a’ | 3 | 0 | 0 | 3 | 25±2 | wet | Secure and support wetness by spraying 通过喷洒保持湿润 |
| 1c’ | 3 | 3 | 2 | 54 | 25±2 | wet (95) | wet (95) = OK to set to 95% RH 湿度（95）= 可以设置到95%RH |
| 1a’ | 5 | 57 | 0 | 3 | 25±2 | wet | Defines wet condition before climate control环境控制前明确湿工况 |
| 2a | 6 | 0 | 0 | 30 | 25±2 | wet (95) | Start of quick temperature rise without drying 开始快速加温，但不能干燥 |
| 2b | 6 | 30 | 2 | 00 | 40±0.61 | wet (95) | Start of slow drying by diffusion 通过扩散，开始缓慢干燥 |
| 3a | 8 | 30 | 15 | 30 | 50±0.61 | 70±3 | Panels shall be free from visible wetness 板上无可见水迹 |
| 3a | 24 | 00 | – | – | 50±0.61 | 70±3 | End of “workday” procedure “工作日”程序结束 |
| Repeat steps 1a – 3a another four times步骤1a-3a再重复4次 | |||||||
| 3b | 120 | 00 | 48888 | 00 | 50±0.61 | 70±3 | Phase in with weekends in case of manual operations in “workday” procedure 假如“工作日”程序是手动操作，则在各个周末逐步进行 |
| 3b | 168 | 00 | – | – | 50±0.61 | 70±3 | |
| Repeat steps 1a-3b for required number of weeks 步骤1a-3b重复次数按各周要求 |
* Provided proceeding from step 3a or 3b假如从3a或3b开始进行
Fig. 5 Workday (Mon.-Fri.) test cycle图5 工作日（一***）试验循环
Fig. 6 Complete weekly program.图6 完成每周计划
5.2.1 Operations within the wet phase at 25±2°C:
5.2.1 在25±2°C湿润阶段的操作
Exposure to 0.50±0.05% NaCl solution shall be performed at least in the beginning, middle and at the end of the 6 h wet phase.
在6小时湿润阶段的开始、中端和结束时***各进行一次0.50±0.05%的氯化钠溶液曝露。
In automated mode, the first event may consist of a longer period of spray (1a – up to 10 minutes) in order to cool the samples and the chamber more efficiently from the 50°C, 70% RH condition. If all test operations are performed within the same climate chamber, it is essential to follow-up with efficient cooling after the first spray event, in order to reach a temperature below 30°C within the first 30 minutes of the wet
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