Fluke OF-500-01 OptiFiber, Technical Reference Handbook, Page: 241 / 278

Maintenance and Specifications
Specifications
12-17
12
OTDR Specifications for OFTM-573x Singlemode
Modules (cont.)
Reflectance accuracy 9
±
4 dB
Optical return loss accuracy
10
±
4 dB
Pulse widths (nominal) 1310 / 1550 nm: 5 ns, 20 ns, 40 ns, 100 ns, 300 ns, 1µs, 3 µs, 10 µs
Real time trace refresh rate 2 updates per second typical
9. Not applicable to hidden events or 5 ns pulse width; does not include error due to backscatter coefficient.
10. Not applicable to 5 ns pulse width; does not include error due to backscatter coefficient.