|   标准CH4浓度(%LEL)  |       实测浓度(%LEL)  |       测量偏差(%)  |       响应时间(S)  |    
|   10  |       9.8  |       0.2  |       10.7  |    
|   25  |       24.6  |       0.4  |       10.9  |    
|   50  |       50.2  |       0.2  |       10.5  |    
|   70  |       70.6  |       0.6  |       10.6  |    
|   90  |       91.4  |       1.4  |       11.3  |