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Atec Fluke-OF-500 User Manual

Page 118

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OF-500 OptiFiber Certifying OTDR
Users Manual

108

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.