Fluke OF-500-01 OptiFiber, Technical Reference Handbook, Page: 240 / 278

OF-500 OptiFiber Certifying OTDR
Technical Reference Handbook
12-16
OTDR Specifications for OFTM-573x Singlemode
Modules (cont.)
Dynamic range 6, 7
1310 nm: 26 dB typical with 10 µs pulse width
1550 nm: 24 dB typical with 10 µs 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 1.56 dB to compare to Telecordia 98 % method; 3 minutes of averaging.
8. Does not apply to the event table.