2-19
IM AQ6150B-02EN
Making Preparations for Measurements
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App
Index
2.8 Recommended Part Replacement
The life and replacement period for expendable items varies depending on the conditions of use. Refer
to the table below as a general guideline.
For part replacement and purchase, contact your nearest YOKOGAWA dealer.
Parts with Limited Service Life
Part Name
Service Life
LCD backlight
Under normal conditions of use, approximately 50000 hours
Internal reference light source (He-Ne laser) Under normal conditions of use, approximately 40000 hours
(Recommended replacement interval; approximately 30000 hours)
Optical input area internal ferrule
Under normal conditions of use, approximately 2 years
Consumable Parts
We recommend replacing them at the following intervals.
Part Name
Replacement Period
Cooling fan
7 years
Backup battery (lithium battery)
7 years
Replacement Period of the Internal Reference Light Source (He-Ne
laser)
When the reference time (approx. 30000 hours) for replacing the internal reference light source
elapses, the REF LASER STATUS LED on the front panel changes color. For details, see section 1.3.
You can view the total operating time of the internal reference light source. It is the total of the times
when the output of the internal reference light source has been on. However, the light source may
reach its service life earlier than the reference time. See the notes of caution in the following sections.
Section 2.2, “Installing the Instrument”
Viewing the Total Operating Time of the Internal Reference Light Source
1.
Press
SYSTEM
.
System configuration setup menu appears.
2.
Press the
SYSTEM INFORMATION
soft key.
The system information appears.
Displays system
information
Total operating time of the internal
reference light source (He-Ne laser)
