43 300781172_002_C0 - 01/2019 - © Leybold
Cautions in operation
3. Using a vacuum gauge equipped with measured equipment
The value of the vacuum gauge for the measured system can be connected to the
analogue input of the sensor unit where it can be converted into the partial pressure
(Pa) by the same calculation as above in 2).
9.7 Storage
If the instrument is not used for an extended time, store the analyzer tube in an inert
gas atmosphere like nitrogen. If the analyzer tube is stored in a high humidity
atmosphere, the SEM may deteriorate.
NOTICE:
This calculation does not take into consideration the difference in the sensitivity
factor between gas species, gas ionization effects, or the presence of isotopes.
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