aviso. La información contenida en esta sección se proporciona
únicamente como referencia. Si desea obtener las especificaciones
SPECIFICATIONS
a
External Power Meter FTB-3932 FTB-3932X FTB-3933
Detector type Ge GeX InGaAs
Measurement range (dBm) 10 to –70 26 to –55 6 to –73
Uncertainty
b, c
± 5 % ± 0.1 nW ± 5 % ± 3 nW ± 5 % ± 0.05 nW
Wavelength range (nm) 800 to 1650 800 to 1650 800 to 1650
Display resolution
b
(dB) 0.01 0.01 0.01
Calibrated wavelengths 40 42 40
Recommended
recalibration period (years) 3 3 3
Automatic offset nulling
d
Ye s Ye s Ye s
Measurement-distance units kilometers, meters, kilofeet, feet, miles
Sources Standard -4 -5 -12C (second port) -12D (second port)
Wavelengths
e
(nm) 1310 ± 20 1310 ± 20 1310 ± 20 850 ± 25 850 ± 25
1550 ± 20 1550 ± 20 1490 ± 10 1300 +50/–10 1300 +50/–10
1625 ± 10 1550 ± 20
Emitter type Laser Laser Laser LED LED
Minimum output power
e
(dBm) –1/–1 –1/–4/–7 –1/–7/–4 –27/–27 (50/125 μm)
i
–21/–21 (62.5/125 μm)
i
Spectral width
f
(nm) ≤ 5/≤ 5 ≤ 5/≤ 5/≤ 5 ≤ 5/≤ 5/≤ 5 50/135 50/135
Stability
g
(8 hours) (dB) ± 0.05 ± 0.05 ± 0.05 ± 0.05 ± 0.05
FasTesT Standard -4 -5 -12C (second port) -12D (second port)
Wavelengths (nm) 1310 1310 1310 850 850
1550 1550 1490 1300 1300
1625 1550
Loss range
h
(dB) 60 56 56 40 46
Loss precision
i
(repeatability) (dB)
side-by-side 0.15 0.15 0.15 0.15 0.15
loopback 0.25 0.25 0.25 0.25 0.25
Length measurement range (km) 200 200 200 5 5
Length measurement uncertainty (typical)
j
± (10 m + 1 % x length)
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