Equipment Settings 4-11
kina22e chapter 4.fm technical handbook(1206)
Name
The user gas name is a free text name. When selecting the name line item and
pressing edit a 6 digit name can be entered via the alpha-numerical entry keys.
Default value: User 1, User 2, User 3, User 4, User 5
Mass position
The mass position determines the peak position at which the user-definable will be
detected. The Ecotec E3000 can determine masses 2 to 200 amu.
Default value: 69
Normalization factor
The normalization factor is a factor that is used to transform the internal sensor
current into a leak rate signal. When setting-up a user-definable gas, please try to
calibrate the Ecotec E3000 afterwards with an external test leak. If the calibration is
successful, do not change the normalization factor. If the calibration process is not
successful and the error message “Calibration factor too high” is displayed, please
decrease the normalization factor by one decade, e.g. from 1.0E+08 to 1.0E+07. If
the error message “Calibration factor too low” is displayed, please increase the
normalization factor by one decade, e.g. from 1.0E+08 to 1.0E+09. Repeat this
process until the Ecotec E3000 is successfully calibrated.
Molecular mass
For the molecular mass please enter the molecular mass of the gas you want to
detect (usually available from data sheet for the gas).
Fig. 4-12 Setting up a user-definable gas
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