EXFO FTB-3930 MultiTest - Manual (Page 93)

Multifunction Loss Tester 87
A Technical Specifications
I
MPORTANT
The following technical specifications can change without notice.
The information presented in this section is provided as a reference
only. To obtain this product’s most recent technical specifications,
visit the EXFO Web site at www.exfo.com.
TECHNICAL SPECIFICATIONS
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 Yes Yes Yes
Measurement-distance units kilometers, meters, kilofeet, feet, miles
Sources Standard –4 –5 –12C (second port) –12D (second port)
Wavelengths e (nm) 1310 ± 20
1550 ± 20 1310 ± 20
1550 ± 20
1625 ± 10 1310 ± 20
1490 ± 10
1550 ± 20 850 ± 25
1300 +50/–20 850 ± 25
1300 +50/–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
1550 1310
1550
1625 1310
1490
1550 850
1300 850
1300
Loss range h (dB) 60 56 56 40 46
Loss precision i
(repeatability) (dB)
side-by-side
loopback 0.15
0.25 0.15
0.25 0.15
0.25 0.15
0.25 0.15
0.25
Length measurement
range (km) 200 200 200 5 5
Length measurement
uncertainty (typical)
j
± (10 m + 1 % x length)