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- World's Shortest Dead Zone:
<0.8m (2.7 ft)
Enables multiple close range event detection
- Tests Up to Four Wavelengths
2 Wavelengths - 1310/1550 nm
3 Wavelengths - 1310/1550/1650 nm
4 Wavelengths - 850/1300/1310/1550 nm
Optical Monitor, Light Source, Built-in printer, Built-in Dummy Fiber and more
- High Dynamic Range up to 40 dB
This high dynamic range is effective in measuring a transmission line consisting of long fiber cables and a splitter with a large loss.
- Large and Bright 8.4” LCD
- Quick Startup within 10 Seconds
- External Large Capacity Battery
- Less than 10 sec. Power-up Time
Enables users to start testing in just seconds
Executes programmed procedure to improve productivity drastically. A powerful tool for analyzing, reporting, and printing OTDR test data
This light source option can be used for measuring losses. It can also be used for optical fi ber identifi cation, because it is capable of outputting not only continuous wave (CW) light but also a 270-Hz modulated light
This option can be used for identifying the multicore fi ber cable
and visually checking for a failure. The adopting the connector
connection method enables the visible light to reach greater
distances with less light leakage.
- Macro’s with Predefined Procedures
Simply select previously set measurement procedures and then push a button. You can execute up to 5 previously set and saved measurement procedures automatically.
Measurement and analysis conditions can be loaded from a file, making it easy to set up measurement procedures you executed previously. |
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- Use as an Optical Powermeter - Power Monitoring Function
Using the power monitor (factory option), you can check optical power for link loss
testing or when troubleshooting. Useful for checking the optical power at the ONU’s
receiver in FTTH.
- Use as a Light Source - Light Source Function
The light source (factory option) can be used for optical fiber identification.
- OTDR - 4 Model Lineup,from 2- to 4-wavelength models
The AQ7275 comes in 4 models combining different measurement wavelengths and dynamic ranges.
Supported wavelengths: 1310/1550 nm, 1310/1550/1650 nm, 850/1300 nm (multi mode) and 130/1550 nm (multi mode).
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The AQ7275 OTDR condenses the total working time during on-site tests as the time to power up the device, the time taken to make measurements, and the time to analyze and store the measurement results are reduced significantly. The measurement results can easily be transmitted to computers using the USB interface or the Ethernet and the analysis software (optional) helps with preparation of reports on a computer.
The worldwide spread of broadband services has stimulated the installation of optical fiber in metro and access networks,
which in turn has increased the demand for portable and reliable test equipment to aid the installation and maintenance of
these networks. |
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|||||||| Click here for Operation Features and Key Fuctions
- Automatic Setting of Measurement Conditions
Full Auto Mode
Simply select the measured wavelength and the AQ7275 takes care of the rest by automatically setting the optimal measurement conditions and by performing measurement and event analysis, and fully automated data saving.
- Automatic Setting of Measurement Conditions
Wizard Mode
Display the guidelines for the setup items from the Setup menu. Follow the step-bystep instructions to complete the setup.
- Automatic Setting of Measurement Conditions
Detail Mode
This mode allows you to set all the detailed settings, not only the measurement and analysis settings but also the screen
display and system settings.
- Macro’s with Predefined Procedures –One Button Mode
Simply choose previously set measurement procedures, then press a button.
Simply select previously set measurement procedures and then push a button. You can execute up to 5 previously set and saved measurement procedures automatically. Measurement and analysis conditions can be loaded from a file, making it easy to set up measurement procedures you executed previously.
- Measurement with Auto Wavelength Switching press a button
Multi-Wavelength Measurement
Simply select previously set measurement procedures and then push a button. You can execute up to 5 previously set and saved measurement procedures automatically. Measurement and analysis conditions can be loaded from a file, making it easy to set up measurement procedures you executed previously.
- Plug Check Function –Checking the connection with the OTDR
Never spoil measurements with poor connections or dirty plugs
The plug check function monitors the condition of the OTDR’s optical input/output
connectors and displays an alarm if the connection is not properly made. This function is
useful for checking for damage, dirt, or other problems with optical plugs at the OTDR or
on the fiber under test, and for helping technicians to remember to connect the fiber
under test.
- Detecting Abnormal Events –Fault Event Display Function
The fault event display function detects abnormal connection or reflection points and
displays them. Of the events detected by the event detection function, abnormal events
that cross a specified threshold value are highlighted in the event table and waveform
display.
- Measurement with Comparison to Reference Waveform –Trace Fix Function
This function enables you to freeze the display of one waveform and overlap it on real-time or averaged waveforms. This is useful for creating a template when installing multicore fiber, or for checking aged deterioration during maintenance on existing fi ber networks. In addition to the last measured waveform, a waveform can be loaded from a fi le for use as a reference waveform.
Because the AQ7275 makes it easy to differentiate between measured optical fibers—even complex ones—you can add arbitrary
information to file names such as measured wavelength, ID number, tape number, or comments. You can also have the ID number or
tape number automatically updated and saved after each measurement.
Trace data can be saved in SOR and CSV format. Also, you can save screenshots as BMP, JPG, or PNG files. TRB or TRD files saved
on Yokogawa’s previous AQ7250 and AQ7260 models can also be loaded.
This function is useful because it can be used for external memory, printing, and communications. The AQ7275 comes standard with 2 USB1.1 compliant connector ports (types A and B).
Type A
Saving Files to USB Memory | Printing on an External Printer
Type B
Remote Control | Accessing the Internal Memory
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|||||||| Click here for Measured Data Analysis and Report Creation Tool
- AQ7932 is application software that performs analysis of trace data
measured by the AQ7270 OTDR on a PC, and creates reports. The report
creation wizard makes this task simple. AQ7270 OTDR data can be easily
loaded onto a PC using USB memory or the communication interface.
Measured Data Analysis and Report Creation Tool
AQ7932 OTDR Emulation Software (Sold Separately)
Note Operating System: Microsoft Windows 2000, XP
Excel: Microsoft Excel 2000, XP, 2003
You can edit event search conditions, approximate curve line
settings, and other conditions, and then repeat the analysis. And
now it is even easier to operate; simply click the function icon
with the mouse.
Display up to eight traces on screen and perform a variety of
different analyses including: multi trace analysis, differential trace
analysis for comparing recent waveforms with old ones, and 2
way trace analysis function for analyzing average values of data
measured from both directions in the optical fiber.
Compiles trace and measured values from trace files and
creates a report. Reports can also be created in Excel or CSV
format. Reports are easy to create by following the step-by-step
instructions in the report wizard.
OS: Microsoft Windows 2000, Microsoft Windows XP, Microsoft Windows Vista *
Excel: Microsoft Excel 2000 or later (when the XLS fi le output function is used)
PC: Clock speed: Environment in which the OS operates smoothly.
HD capacity: 20 MB or more space required at the time of installation
Memory capacity: 128 MB or more (256 MB or more recommended)
Display: Resolution of 1024×768 pixels or better
Disc drive: CD-ROM drive
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|||||||| Click here for Detailed Specifications
| AQ7275 General Specifications |
| Horizontal Axis Parameters |
| Sampling resolution |
5 cm, 10 cm, 20 cm, 50 cm, 1 m, 2 m,
4 m, 8 m, 16 m, 32 m |
| Readout resolution |
1 cm (Min.) |
| Number of sampled data |
Up to 50,000 points |
| Group refractive index |
1.30000 to 1.79999 (in 0.00001 steps) |
| Unit of distance |
km, kf, or miles |
| Distance measurement accuracy |
Offset error: ±1 m
Scale error: Measured distance 2 10-5
Sampling error: ±1 sampling resolution |
| Vertical Axis Parameters |
| Vertical axis scale |
0.2 dB/div, 0.5 dB/div, 1 dB/div,
2 dB/div, 5 dB/div, 7.5 dB/div |
| Readout resolution |
0.001 dB (Min.) |
| Loss measurement accuracy* |
±0.05 dB/dB |
| * When the measuring loss is 1dB or less, the accuracy is within ±0.05dB |
| OTDR Measurement Function |
| Distance measurement |
Displays up to eight digits of the
relative one-way distance between two
arbitrary points on the trace. |
| Loss measurement |
Displays one-way loss in steps of
0.001 dB to a maximum of 5 digits. |
| Return loss measurement |
Displays the one-way loss, loss per
unit length, and splice loss between
any two given points on the waveform.
Measures return loss and total return
loss of a fiber cable or between two
arbitrary points on the trace. |
| OTDR Analysis Functions |
| Analysis functions |
Multi trace analysis, 2 way trace
analysis, differential trace analysis,
section analysis |
| Internal Memory |
| Memory capacity |
1000 waveforms or more
can store measured waveforms, and
measurement conditions |
| Display |
| Display
Total number of pixels* |
8.4-inch color TFT LCD
640 (horizontal) 480 (vertical) |
| * The LCD may contain some pixels that are always ON or always OFF (0.002% or fewer of
all displayed pixels including RGB), and is not indicative of a general malfunction. |
| External Interface |
| USB |
USB1.1 Type A and Type B, one each |
| Type A: For external memory or external printer |
| Type B: For connecting to an external PC for remote control or access to the OTDR’s |
| Optical I/O port |
| Connector type |
SC (fixed), FC (fixed), SC universal adapter,
FC universal adapter, No universal
adapter (base) |
| Number of port |
1 or 2* |
| * Port 2 is only for model 735027 (1650nm), and Model 735030 (850nm/1300nm). |
| File Formats |
| File formats |
Read: SOR, TRD, TRB, SET
Write: SOR (Telcordia), SET, CSV,
BMP, JPG, PNG |
| General |
| Laser safety standards |
class 1 M (IEC60825-1:2001) |
| Safety standard |
EN61010-1 |
| Emission |
EN61326 Class A |
| Immunity |
EN61326 Annex A |
| Operating environment |
0 to 45°C |
| Temperature |
(0 to 35°C when charging the battery) |
| Humidity |
85% RH or less (no condensation) |
| Storage temperature |
-20 to 60°C |
| Battery |
Operation time 6 hours*1 |
| AC adapter |
Recharge time 5 hours*2 |
| Rated supply voltage |
100 to 240 VAC |
| Rated supply frequency |
50 to 60 Hz |
| Power consumption |
Max 70 W
(when battery charging, and optional
printer printing) |
| Dimensions |
(W) 287 (H) 197 (D) 85 mm
(not including projections or options) |
| Weight |
Approx. 2.8 kg
(not including options) |
| Safety standard |
EN61010-1 |
| Emission |
EN61326 Class A |
| Immunity |
EN61326 Annex A |
*1 Measurement for 30 seconds in every 10 minutes, without
any options, in power save mode (Full Auto 1minute).
*2 Ambient temperature of 23°C, power OFF |
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|||||||| Click here for Specifications by Model
| Single-mode Fiber 1 Wavelength Type |
| Model |
735020 |
735021*12 |
Wavelength
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1550±25nm |
1650 ± 5nm *1
±10nm *2 |
| Applicable fiber |
SM (ITU-T G.652) |
| Distance range |
500m, 1km, 2km, 5km, 10km, 20km,
50km, 100km, 200km, 300km, 400km |
| Pulse width*3 |
3ns, 10ns, 20ns, 50ns, 100ns, 200ns,
500ns, 1us, 2us, 5us, 10us, 20us |
| Dynamic range*4 |
32dB
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30dB
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| Event dead zone*5, 11 |
0.8m
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0.8m
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| Attenuation dead zone*6, 11 |
8m (typ) |
12m (typ) |
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| Single-mode Fiber 2 Wavelength Type |
| Model |
735022 |
735023 |
735024 |
| Wavelength |
1310/1550±25nm |
1310/1550±25nm |
1550/1625±25nm |
| Applicable fiber |
SM (ITU-T G.652) |
| Distance range |
500m, 1km, 2km, 5km, 10km, 20km, 50km, 100km, 200km, 300km, 400km |
| Pulse width*3 |
3ns, 10ns, 20ns, 50ns, 100ns, 200ns, 500ns,
1us, 2us, 5us, 10us, 20us |
| Dynamic range*4 |
1310/1550±25nm |
1310/1550±25nm |
1550/1625±25nm |
| Event dead zone*5, 11 |
0.8m |
0.8m |
0.8m |
| Attenuation dead zone*6, 11 |
7/8m (typ) |
7/8m (typ) |
8/12m (typ) |
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| Single-mode Fiber 3 Wavelength Type |
| Model |
735025 |
735026 |
735027*12 |
735028 |
Wavelength
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1310/1490/
1550±25nm
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1310/1550/
1625±25nm
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1310/1550±25nm
1650±5nm *1, ±10nm *2 |
1310/1550/
1625±25nm |
| Applicable fiber |
SM (ITU-T G.652) |
| Distance range |
500m, 1km, 2km, 5km, 10km, 20km, 50km, 100km, 200km, 300km, 400km |
| Pulse width*3 |
3ns, 10ns, 20ns, 50ns, 100ns, 200ns, 500ns, 1us, 2us, 5us, 10us, 20us |
| Dynamic range*4 |
34/30/32dB |
34/32/28dB |
34/32/30dB |
40/38/35dB |
| Event dead zone *5,11 |
0.8m |
| Attenuation dead zone*6,11 |
7/8/8m (typ) |
7/8/12m (typ) |
7/8/12m (typ) |
7/8/12m (typ) |
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| Multimode Fiber 2 Wavelength Type |
| Model |
735029 |
| Wavelength |
850/1300±30nm |
| Applicable fiber |
GI (50/125, 62.5/125μm) |
| Distance range |
500m, 1km, 2km, 5km, 10km, 20km, 50km, 100km |
| Pulse width*3, 7 |
10ns, 20ns, 50ns, 100ns, 200ns, 500ns, 1us, 2us, 5us |
| Dynamic range*8, 10 |
22.5/24dB |
| Event dead zone*9, 10, 11 |
2m (typ) |
| Attenuation dead zone*6, 10, 11 |
7/10m (typ) |
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| Multimode/Single-mode Fiber 4 Wavelength Type |
| Model |
735030 |
Wavelength
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1310/1550±25nm |
850/1300nm±30nm |
| Applicable fiber |
SM (ITU-T G.652)
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GI (50/125,62.5/125μm)
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| Distance range |
500m, 1km, 2km, 5km, 10km, 20km, 50km, 100km, 200km, 300km,400km |
500m, 1km, 2km, 5km, 10km, 20km, 50km, 100km |
| Pulse width*3 |
3ns, 10ns, 20ns, 50ns, 100ns, 200ns, 500ns, 1us, 2us, 5us, 10us, 20us |
10ns, 20ns, 50ns, 100ns, 200ns, 500ns, 1us, 2us, 5us*7 |
| Dynamic range |
34/32dB* |
22.5/24dB*8, 10 |
| Event dead zone |
0.8m*5, 11 |
2m (typ)*9, 10, 11 |
| Attenuation dead zone |
7/8m (typ)*11 |
7/10m(typ)*6, 10, 11 |
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- At a point -20 dB from the pulse light output peak value (measured 30 min. or more after power ON, ambient temperature of 23°C)
- At a point -60 dB from the pulse light output peak value (measured 30 min. or more after power ON, ambient temperature of 23°C)
- Pulse width setting range depends on the distance range.
- SNR=1, at pulse with 20 μs, distance range 200 km, sampling resolution 32 m, measurement time 3 minutes.
- Pulse width 3 ns, return loss 45 dB or more, at a point 1.5 dB below the peak value (not saturated).
- Pulse width 10 ns, return loss 45 dB or more, at a point where the backscatter level is within ±0.5 dB of the
normal value.
- Pulse width of 2 or 5 μs when measured wavelength is 1300 nm
- SNR=1, at pulse width 200 ns(850nm), 1 μs(1300nm), measurement time 3 minutes.
- Pulse width 10 ns, return loss 45 dB or more, at a point 1.5 dB below the peak value (not satunated).
- GI (62.5/125 μm) is measured.
- At group refractive index 1.5
- Pulse light output power at 1650 nm less than 15 dBm
Note: Specifications without any special remarks, assured at 23±2°C
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- Related Products
- Product Categories
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10 Gbit/s BERT module, E/O modules, O/E modules
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Measure the
transmission and reception of communication frames, alarm/error characteristics,
and the transmission characteristics
| Models |
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735020
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Single-mode Fiber 1 Wavelength Type |
735021
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Single-mode Fiber 1 Wavelength Type |
735022
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Single-mode Fiber 2 Wavelength Type |
735023
|
Single-mode Fiber 2 Wavelength Type |
| 735024 |
Single-mode Fiber 2 Wavelength Type |
735025
|
Single-mode Fiber 3 Wavelength Type |
735026
|
Single-mode Fiber 3 Wavelength Type |
735027
|
Single-mode Fiber 3 Wavelength Type |
735028
|
Single-mode Fiber 3 Wavelength Type |
735029
|
Multimode Fiber 2 Wavelength Type |
| 735030 |
Multimode/Single-mode Fiber 4 Wavelength Type |
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 Specifications |
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