YOKOGAWA AQ7280 - OTDR Unit

Specifications
55
IM AQ7280-02DE
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AQ7282A, AQ7083A,AQ7284A, AQ7285A
OTDR Unit
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Item Specifications
Model AQ7282A AQ7283A AQ7284A AQ7285A
Wavelength (nm) 1310 ± 25 / 1550 ± 25
Number of optical port 1
Optical fiber SM(ITU-T G.652)
Distance range (m) 0.2, 0.5, 1, 2, 5, 10, 20, 30, 50, 100, 200, 300, 400, 512
Pulse width (ns) 3, 10, 20, 30, 50, 100, 200, 300, 500, 1000, 2000, 5000, 10000, 20000
Sampling resolution Min. 2 cm
Number of sampling points Max. 256000 points
Distance measurement accuracy
± (0.75 m + Measurement distance × 2 × 10
–5
+ sampling resolution)
Event dead zone*
1
0.6 m 0.5 m
Attenuation dead zone*
2
(m)
3.5 m/4 m
Dynamic range
3
(dB)
38/36 42/40 46/45 50/50
Loss measurement accuracy*
4
± 0.03 dB/dB
Return loss measurement accuracy ± 2 dB
Optical connector Universal Adapter SC, FC, LC, and SC Angled-PC
Laser class Class 1M Class 1M (1550 nm), Class 3R (1310 nm)
Maximum optical pulse output power -
Dimension Approx.211 mm(W) × 110 mm (H) × 32 mm (D) (excluding projections)
Mass Approx. 420g
Operating conditions The same as the mainframe’s operating environment
*1 Pulse width: 3 ns, Return loss: ≥55 dB, Group refractive index: 1.5, at 1.5 dB below the unsaturated peak level, Typical
*2 Pulse width: 10 ns, Return loss: ≥55 dB, Group refractive index: 1.5, at a point where the backscatter level is within ±0.5 dB of the
normal level, Typical
*3 Pulse width: 20000 ns, Measurement time: 3 minutes, SNR=1, Typical, Decrease by 0.5 dB with an angled-PC connector, Decrease
by 0.5 dB with /SLS option for AQ7284A, AQ7285A and AQ7284H.
*4 For a loss 1 dB or less, the accuracy is ±0.05 dB.