Glossary
Operation level
Certain operating area (menus and functions) that is either freely accessible or protected by
a code.
Operator control mode
Operating mode in which the device is partially or entirely decoded and the function control is
activated. The device parameters are assigned in this mode.
Operator panel
Panel with operator input elements that enable inputs to be made on the device.
Polarization voltage
Voltage that is applied to two opposite electrodes to form an electric field.
Sample gas
A gas which has been from taken from a process for analysis.
Signaling contact
Contact (usually floating) contained in electronic components (e.g. relay) that 'signals' the
occurrence of an event defined as a fault to a control unit.
Span
Difference between defined start-of-scale value and full-scale value of the measuring range
Span calibration
Calibration of the span using a suitable calibration gas.
Spike
Undesired, temporary square-edged interference of a measured signal.
Start-up state
Settable operating state that the device changes to after successful completion of the warm-
up phase.
Status message
Configurable output of various messages in the status line of the measured value display.
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Operating Instructions, 01/2019, A5E00222135-04
FIDAMAT 6