|   标准CH4浓度(%LEL)  |       高温实测值(%LEL)  |       高温测量偏差(%)  |       低温实测值(%LEL)  |       低温测量偏差(%)  |    |
|   10  |       10.6  |       0.6  |       9.4  |       0.6  |    |
|   25  |       26.4  |       1.4  |       24.4  |       0.6  |    |
|   50  |       52.3  |       2.3  |       48.6  |       1.4  |    |
|   70  |       72.8  |       2.8  |       68.3  |       1.7  |    |
|   90  |       93.4  |       3.4  |       88.1  |       1.9  |    |