Hach ORBISPHERE 6110 Package Analyzer V3 Manuel D'utilisation Simplifié page 12

Option
Flow multiplier
HS measurement
pressure drop
7.1.2.2 Formula management
This option allows you to add new formula definitions (up to a maximum of 40), and edit or delete
existing definitions. You can use up to 16 variables pre-defined by the instrument and 2 user defined
numerical variables that are set up manually at the end of each measurement.
1. New formula
Option Description
New Press the New button to create a new formula. The formula editor screen is displayed and used to
define the formula. The measurement values that can be used are listed down the left side of the
screen. The operators and operands are listed down the top right. In the bottom right of the screen
are a number of screen navigation options to assist in editing.
The colored indicator in the top right corner shows the validity of the formula as it is being created. It
is initially colored yellow but will turn red if the formula is invalid and green when valid. When the
indicator is red, the Ok button will be unavailable.
Use the Select button to select an existing formula to include in the new formula. The list of existing
formulae is displayed as a rolling list. When a valid formula has been entered, press the Ok button
to continue. You are then requested to assign a name to the new formula, after which an information
box is displayed showing the name of the user who created the formula and the date and time it was
created.
If required, add any free format alphanumeric text to identify the formula and press Ok to continue.
2. Edit or delete an existing formula
Option Description
Edit or To edit or delete a formula, first select the formula from the list displayed and then press
Delete either Edit or Delete as appropriate. If Delete was selected, you will be asked to confirm
deletion before the formula is deleted from the list. If Edit was selected the formula editor
screen is displayed to allow you to change the definition of the formula.
3. Display formula information
Option Description
Info This button can be used to display information about the selected formula, such as the operator who
created it, the date and time of creation (or the last edit), and any comments associated with it.
7.1.3 Instrument parameters
7.1.3.1 Measurement output
1. Define the parameters shown on the screen after and during the measurement process.
Option
Diagnostic
measurement view
12 English
Description
This defaults to 1. Set this value to between 0.5 and 5 to decrease or increase the time
taken for the pressure release process at the end of the measurement. The higher the
value, the quicker the pressure is released. This is especially useful for large packages.
This defaults to 0.5 bar. Set this value to between 0.1 and 5 bar. When the pressure
has decreased by this amount, the headspace measurement stops. This is useful for
packages that contain a gas widget. This parameter can be used to determine if the
headspace is measured before or after the gas from the widget is released. If foam is
detected during the headspace measurement or during the sonication, it is advised to
reduce this value. It will also reduce the analysis time. However, if this value is too small
the accuracy of the HS O
Description
Use this option to troubleshoot measurement problems. If this box is checked, then
instead of the standard measurement progress screens being displayed during the
measurement process, the measurement values are displayed instead.
measurement will be reduced.
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