188 Agilent 1260 Infinity VWD User Manual
12 Hardware Information
Early Maintenance Feedback (EMF)
Early Maintenance Feedback (EMF)
Maintenance requires the exchange of components which are subject to
wear or stress. Ideally, the frequency at which components are exchanged
should be based on the intensity of usage of the instrument and the
analytical conditions, and not on a predefined time interval. The early
maintenance feedback (EMF) feature monitors the usage of specific
components in the instrument, and provides feedback when the
user- selectable limits have been exceeded. The visual feedback in the user
interface provides an indication that maintenance procedures should be
scheduled.
EMF Counter
The detector module provides a EMF counter for the lamp. The counter
increments with lamp use, and can be assigned a maximum limit which
provides visual feedback in the user interface when the limit is exceeded.
The counter can be reset to zero after the lamp is exchanged.
The detector provides the following EMF counters:
• Deuterium Lamp On- Time
Using the EMF Counters
The user- settable EMF limits for the EMF counters enable the early
maintenance feedback to be adapted to specific user requirements. The
useful lamp burn time is dependent on the requirements for the analysis
(high or low sensitivity analysis, wavelength etc.), therefore, the definition
of the maximum limits need to be determined based on the specific
operating conditions of the instrument.
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