13 User modes
13.1 StandardUser mode
FLUXUS G831ST-HT
2021-06-01, UMFLUXUS_G831ST-HTV1-0EN
104
13.1
StandardUser mode
In the StandardUser mode, all measurements can be carried out for the corresponding application. At the first start-up the
transmitter operates in the StandardUser mode.
13.1.1
Cut-off flow
The cut-off flow is a lower limit for the flow velocity. All measured flow velocities that are below the limit are set to zero.
The cut-off flow can depend on the flow direction.
• Select the menu item
Options
in the program branch
Special settings
.
• Press ENTER until the menu item
Cut-off flow
is displayed.
• Select
Off
if no value is to be entered for the cut-off flow.
• Select
Default
if no customized inputs are to be made (default: ± 25 mm/s).
• Select
Customized
define the value of the cut-off flow for the positive and negative flow direction.
• Press ENTER.
All values of the flow velocity for the positive flow direction below this limit are set to zero.
• Enter the cut-off flow.
• Press ENTER.
All values of the flow velocity for the negative flow direction (as absolute value) below this absolute limit are set to zero.
• Enter the cut-off flow as absolute value.
• Press ENTER.
13.1.2
Multi-point calibration
It is possible to enter a series of measured values in order to define a calibration curve for the flow velocity.
Record of a series of measured values:
• Start a measurement with the transmitter and a reference flowmeter.
• Gradually increase the value of the flow velocity. The measuring range of values has to be identical with the eventual
operating range.
• Note or store the measured values.
Input of a series of measured values:
• Select the menu item
Special settings
in the program branch
Options
.
• Press ENTER until the menu item
Multi-point calibration
is displayed.
• Select
Yes
to define the calibration curve. Select
No
to measure without calibration.
• Press ENTER.
• Enter the number of pairs of measured values.
• Press ENTER.
Options\Special settings\Cut-off flow
Options\Special seCut-off flow
Options\Special settings\-Cut-off flow
Options\Special settings\Multi-point calibration
Options\Special settings\Multi-point calibration\Calibration points
