8250A Optical Power Meter Operation Manual
1.14 Replacing Parts with Limited Life
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1.14 Replacing Parts with Limited Life
This instrument uses the following parts with limited life that are not listed in “Safety Summary.” Replace
the parts listed below after their expected lifespan has expired.
For more information on how to replace parts, contact ADC CORPORATION or a sales representative.
Table 1-6 Parts with Limited Life
Name
Expected lifespan
Panel keys
500,000 times
Fluorescent display tube
20,000 hours
USB connector
1,500 times