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Model MW9076B MW9076C MW9076B1 MW9076J MW9076K MW9076D1
Wavelength
1310/1550 nm 1310/1550/1625 nm 1310/1550 nm 850 nm 850/1300 nm
1310/1450/1550/
±25 nm
∗
1
±25 nm
∗
1
±25 nm
∗
1
±30 nm ±30 nm
1625
nm ±3 nm
∗
1
Measurable optical fiber 10/125 µm single-mode optical fiber (ITU-T G.652) 62.5/125 µm GI fiber
∗
2
Optical connector FC, SC, DIN, HMS-10/A, ST (replaceable, PC type)
FC, SC, DIN, ST (replaceable, PC type)
Distance range 1, 2.5, 5, 10, 25, 50, 100, 200, 250, 400 km
1, 2.5, 5, 10, 25, 50, 100 km
Pulse width 10, 20, 50, 100, 500, 1000, 2000, 4000, 10000, 20000 ns 10, 20, 50, 100 ns
42.5 dB (1.31 µm) 38 dB (1.31 µm)
40.5 dB (1.55 µm) 41.5 dB (1.31 µm) 36 dB (1.55 µm)
21 dB (0.85 µm)
Dynamic range
∗
3
∗Typical value: 39.5 dB (1.55 µm) ∗Typical value: 21 dB
25 dB (1.3 µm)
(S/N=1)
45 dB (1.31 µm) 37 dB (1.625 µm) 40.5 dB (1.31 µm)
43 dB (1.55 µm) 38.5 dB (1.55 µm)
≤7 m (0.85 µm,
≤8 m (1.31 µm)
≤7 m (deviation: deviation: ±0.5 dB)
Dead zone
≤8 m (1.31 µm)
≤9 m (1.55 µm)
≤8 m (1.31 µm) ±0.5 dB) ≤10 m (1.3 µm,
≤25 m
(back-scattered light)∗
4
≤9 m (1.55 µm)
≤12 m (1.625 µm)
≤9 m (1.55 µm) ≤50 m (deviation: deviation: ±0.5 dB)
±0.1 dB) ≤50 m (deviation:
±0.1 dB)
Dead zone
≤1.6 m ≤2 m ≤3 m
(Fresnel reflection)
∗
5
Marker resolution 0.05 to 800 m 0.05 to 200 m 0.05 to 800 m
Sampling resolution 0.05 to 80 m 0.05 to 20 m 0.05 to 80 m
Quick mode: 5001, 6251
Sampling points
∗
6
Normal mode: 20001, 25001
High mode: 40001, 50001
Y-axis scale 0.25, 0.5, 1, 2.5, 5, 10, 15 dB/div (15 dB/div is indicated only at Auto and Full Auto measurement.)
IOR settings 1.400000 to 1.699999 (0.000001 steps)
0.1 m ±3 x mea-
surement distance
Distance measurement
±1 m ±3 x measurement distance x 10
–5
±marker resolution (excluding uncertainty caused by fiber IOR)
x 10
–5
±marker re-
accuracy solution (excluding
uncertainty caused
by fiber IOR)
Loss measurement accuracy
±0.05 dB/dB or ±0.1 dB (whichever is greater)
(linearity)
Return loss measurement
±2 dB ±4 dB ±2 dB
accuracy
Measurement items:
Total loss, total return loss. Each event distance, connection loss, return loss, or reflection amount (displays in table format)
Threshold values
Connection loss: 0.01 to 9.99 dB (in 0.01 dB steps), Return loss: 20 to 60 dB (in 0.1 dB steps),
Fiber-end: 1 to 99 dB (in 1 dB steps)
Warning values
Splice connection loss: 0.1 to 10 dB (in 0.01 dB steps), Connector connection loss: 0.1 to 10 dB (in 0.01 dB steps),
Automatic measurement
∗
7
Return loss: 10 to 50 dB (in 0.1 dB steps), Fiber loss: 0.01 to 10 dB (in 0.01 dB steps),
Total loss: 0.1 to 60 dB (in 0.1 dB steps), Total return loss: 10 to 50 dB (in 0.1 dB steps),
Average loss: 0.01 to 10 dB (in 0.01 dB steps)
Number of detected events: Up to 99
Automatic setting: Distance range, pulse width, averaging count (time)
Measurement time: ≤60 s (in full automatic measurement mode)
Connection check: Automatic check of front panel connector connection quality
Communication light check: Check for presence of communication light in optical fiber to be measured
Measurement items:
Manual measurement
Transmission loss and distance between 2 points, loss per unit length between 2 points, connection loss, return
loss/reflection amount, total return loss, average loss
Real-time sweep: 0.1 to 0.2 second or less
∗
8
● Optical Time Domain Reflectometer (main frame)
10/125 µm single-
mode optical fiber
(ITU-T G.652)
FC, SC, DIN, HMS-
10/A, ST (replace-
able, PC type)
1, 2.5, 5, 10, 25,
50, 100, 200, 250,
400 km
34.5 dB (1.31 µm)
33.5 dB (1.45 µm)
32.5 dB (1.55 µm)
30.0 dB (1.625 µm)
Specifications
10, 20, 50, 100,
500, 1000, 2000,
4000, 10000,
20000 ns
10, 20, 50, 100 ns
(0.85 µm)
10, 20, 50, 100, 500,
1000 ns (1.3 µm)