Fluke OF-500 OptiFiber, Technical Reference Handbook

Page: 241 / 282

Maintenance and Specifications
Specifications
11
11-23
OTDR Specifications for OFTM-573x Singlemode Modules (cont.)
Dynamic range
6, 7
1310 nm: 26 dB typical with 10
µ
s pulse width
1550 nm: 24 dB typical with 10
µ
s pulse width
Output power 1310 nm: > 28 mW-pk
1550 nm: > 24 mW-pk
Loss threshold 0.01 dB to 1.50 dB inclusive, settable in 0.01 dB increments
Distance accuracy
8
±
1 m
±
0.005 % of distance
±
50 % of resolution
±
index of refraction error
Linearity
±
0.05 dB/dB
Sampling resolution 3 cm to 400 cm
6. For typical fiber, with backscatter coefficients of -77 dB at 1310 nm and -82 dB at 1550 nm.
7. SNR=1 method. Subtract 1.8 dB to compare to Telecordia 98 % method; 3 minutes of averaging.
8. Does not apply to the event table.
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