Exfo FTB-1 Manual de usuario Pagina 228

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Technical Specifications
218 FTB-1
VISUAL FAULT LOCATOR (VFL) (OPTIONAL)
Laser, 650 nm ± 10 nm
CW
Typical P
out
in 62.5/125 μm: 3 dBm (2 mW)
PM-1 BUILT-IN POWER METER SPECIFICATIONS
d
Calibrated wavelengths (nm) 850, 1300, 1310, 1490, 1550, 1625, 1650
Optional CWDM calibrated
wavelengths (nm)
1270, 1290, 1310, 1330, 1350, 1370, 1390, 1410, 1430, 1450, 1470, 1490,
1510, 1530, 1550, 1570, 1590, 1610, 1383, 1625
Power range (dBm) 10 to —86 (InGaAs)
26 to —64 (GeX)
Uncertainty (%)
e
±5 % ± 3 pW (InGaAs)
±5 % ± 0.4 nW (GeX)
Display resolution (dB)
InGaAs
GeX
0.01 = max to —76 dBm
0.1 = —76 dBm to —86 dBm
1 = —86 dBm to min
0.01 = max to —54 dBm
0.1 = —50 dBm to —60 dBm
1 = —60 dBm to min
Automatic offset nulling range
f
Max power to —63 dBm for InGaAs
Max power to —40 dBm for GeX
Tone detection (Hz) 270/1000/2000
LASER SAFETY
Notes
a. With optional extended-life battery.
b. –20 °C to 60 °C (–4 °F to 140 °F) with the battery pack.
c. The selected model may change without notice.
d. At 23 ºC ±1 ºC, 1550 nm and FC connector. With modules in idle mode. Battery operated.
e. Up to 5 dBm.
f. For ±0.05 dB, from 18 ºC to 28 ºC.
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