© PCE Instruments
9
5.4.2
Adjust molar mass
The molar mass of air is 28.96 g/mol, and the molar mass of SF6 gas is 146.05 g/mol. When
measuring SF6 gas, for example, ppmw M must be set to 146.05 g/mol. Change the value and
select the unit by pressing the arrow up or down keys.
5.4.3
Cleaning
Select the "Cleaning" option and press the enter key. The probe will perform the cleaning and
heat the sensor. The process takes about five to ten minutes.
5.5
Further settings
1 Language setting: Chinese and English.
2 Automatic power-off: off, 10 min, 15 min, 20 min, 25 min, 30 min
3 Brightness: Press the enter key to change the value. 10 different brightness levels can be
selected.
Set the time and date, increase or decrease the number with the up or down keys and confirm
your entry with the enter key.