样品在-20°放置48H;转换时间4H;70°放置48H;常温稳定4H。怎么设置可程式高低温机?
以下设置是否正确?
A
0.temperature:-20°humidy:0time:48H
1.temperature:70°humidy:0time:4H
2.temperature:70°humidy:0time:48H
取出样品放置4H后观察测试。
B
0.temperature:-20°humidy:0time:1Minute
1.temperature:-20°humidy:0time:48H
2.temperature:70°humidy:0time:4H
3.temperature:70°humidy:0time:48H
取出样品放置4H后观察测试。