Then if 75 is set as the span gas, Range 2 is selected for calibration.

那么如果量程气是75，量程2将被选择为校准量程。

youdao

Then, specify the concentration of your span gas in the grid (span gas columns).

然后，在格子里输入量程气浓度(量程气栏)。

youdao

Then, specify the concentration of your span gas in the grid (span gas columns).

然后，在格子里输入量程气浓度(量程气栏)。

youdao