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The Exfo FTB-5800 CD Analyzer offers high performance in a field-ready unit for all chromatic dispersion testing situations. Specifications. Wavelength range: 1530 to 1625 nm, Displayed range 1200 to 1700 nm (Values may be extrapolated). Wavelength step Minimum: 0.1 nm. Measurement points Maximum: 950, user-definable. Dynamic range: 42 dB. Wavelength uncertainty (accuracy) C+L band: 0.1 nm. Dispersion uncertainty (accuracy) C+L band: 20 km of G.652 1.6 ps/nm, 120 km of G.652 3.1 ps/nm, 20 km of G.655 1.9 ps/nm (guaranteed). Dispersion repeatability C+L band: 0.04 ps/nm (20 km), 0.2 ps/nm (80 km), 1.1 ps/nm (120 km). Zero-dispersion wavelength Lamda 0 repeatability C+L band: 0.1 nm (20 km), 0.14 nm (80 km), 0.8 nm (120 km). Dispersion slope repeatability Lamda 0 C+L band: 0.03% (20 km), 0.05% (80 km), 0.25% (120 km). Minimum fiber length: < 1 km. Maximum fiber length: > 5400 km. Measurement time per point Minimum: <1 s.
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