Agilent Technologies E6000C - Distance Offset Error

Definition of Terms / Measurement Conditions CSpecifications
E6000C Mini-OTDR User’s Guide, E0302
195
∆S
L
= distance scale error
∆L
S
= distance sampling error
NOTE The distance uncertainty does not include the uncertainty
of the
→group of the fiber under test, because the OTDR
measures transit times and calculates distances by
division by the user-defined fiber’s group refractive index.
Distance offset error
The displayed location of the OTDR’s front panel
connector on the instrument’s distance scale, in meters.
Symbol
∆L
0
. See Figure 3.
Condition: A possible influence from finite distance
sample spacing is excluded.
Location L
0
0
L - L
otdr
Distance
Offset Error
(∆L
0
)
Distance
sampling error
(±∆L
S
)
Average slope =
distance scale
error (∆S
L
)
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