Agilent Technologies 6002A Guia do Utilizador Página 213

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Module Specifications/Characteristics CSpecifications
E6000C Mini-OTDR Users Guide, E0302
213
4 Typical Specification at Reflectance -50 dB at 30 ns
pulsewidth, and with span
4 km (typical value).
5 Measured with a standard 62.5
µm guided index
multimode fiber at SNR=1 noise level and with 3 minutes
averaging time, optimize dynamic.
6 Reflectance
-35 dB at 5 ns pulsewidth, and with span
4 km, optimize resolution.
7 Reflectance
-35 dB at 10 ns pulsewidth, and with span
4km.
Characteristics
Distance Accuracy
A
Offset Error: ± 1 m
Scale Error:
± 10
–4
Sampling Error: ± 0.5 sampling spacing
Loss/Reflectance Accuracy
B
Backscatter Measurements: ± 0.05 dB (1dB step),
typical
Reflectance Measurements
C
: ± 2.0 dB, typical
Acoustic Noise Emission < 40dBA, not continuous.
Data are results from type tests per ISO 7779 (EN 27779).
Notes:
A Total distance accuracy = ± (offset error + scale
error*distance + sampling error).
B SNR
15 dB and with 1 µs, averaging time max. 3
minutes.
C -20 dB to -60 dB
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