AQ7270

Yokogawa AQ7270 Fiber Optical Time Domain Reflectometer

Yokogawa AQ7270 Optical Time Domain Reflectometer

Characteristics:

  • World’s Shortest Dead Zone:

<0.8m (2.7 ft)

Enables multiple close range event detection

  • Tests Up to Four Wavelengths

850/1300/1310/1490/1550/1625/1650nm and more
AQ7270 OTDR Line up

  • Multiple Functions

Optical Monitor, Light Source, Built-in printer, Built-in Dummy Fiber and more

  • Large and Bright 8.4” LCD
  • Less than 10 sec. Power-up Time

Enables users to start testing in just seconds

  • One Button Testing

Executes programmed procedure to improve productivity drastically

A powerful tool for analyzing, reporting, and printing OTDR test data

Applications:

  • 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 – 11-Model Lineup,from 1- to 4-wavelength models

The AQ7270 comes in eleven models combining different measurement wavelengths and dynamic ranges.
Supported wavelengths: 1310, 1490, 1550, 1625, 1650 nm (single mode), 850, and 1300 nm (multi mode).

 

Product Description:

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The AQ7270 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.

This new OTDR has been developed to address these challenges with particular aims of improving operability
to boost work efficiency and cost-effectiveness. The AQ7270 carries forward the basic operation of its predecessors (the
AQ7250 and AQ7260 OTDR), while adding a Detail mode for trained technicians with functions for setting of measurement
conditions and performing manual measurements.

General Information:

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|||||||| Click here for Operation Features and Key Fuctions

  • Automatic Setting of Measurement ConditionsFull Auto ModeSimply choose the measured wavelength, then press a button.

The AQ7270 automatically sets the optimal measurement conditions, performs measurement, performs
event analysis, and saves data. Because you can save to a different file name each time you execute,
measurement and accumulation of data is easy.

 

  • Measurement with Auto Wavelength SwitchingMulti Wavelength Measurement ModePrepare multiple wavelengths to measure, then press a button.

Multi Wavelength Measurement is a mode in which multiple specified wavelengths from the same
optical port are measured automatically in order. You can also specify to perform analysis or file
saving as needed for each measurement.

 

  • Macro’s with Predefined Procedures –One Button ModeSimply choose previously set measurement procedures, then press a button.

You can execute up to five saved measurement procedures in order. A batch of measurement procedures can be run directly from the
main menu. Measurement and analysis conditions can be read from a file, making it easy to set up the measurement procedures.

 

  • Measurement Wizard –Assistance setting up measurements

Displays detailed explanations of parameters in the measurement conditions setting
menu, and gives guidelines for setting methods. This function assists unskilled users.

 

  • ACTIVE LINE ALARM –Checking for communication lightNever disturb communication lines

There may be concern that technicians inputting the OTDR measurement signal into the
communication line could cause communication errors. The live line alarm monitors the
fiber’s optical power level and diplays an alarm message if it detects optical power at or
higher than a specified threshold level, in order to warn the technician not to mistakenly
feed the signal into the communication line.

 

  • Plug Check Function –Checking the connection with the OTDRNever 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

You can freeze the display of one trace and overlap it with real time or averaged
waveforms for comparison. This is useful to create a template when installing multicore
fiber, or for checking aged deterioration during maintenance on existing fiber networks.
In addition to the last-measured waveform, a waveform can be loaded from a file to be
used as the reference waveform.

 

  • SETUP KEY –Jump to measurement condition setting menu

With the new SETUP button on the front panel, it is easy to move to the measurement
condition setting menu.

 

  • Smart File Function

Because the AQ7270 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.

 

  • USB Function

USB connectivity makes it more convenient to output to external memory or printers, and to set up communication. The
AQ7270 comes standard with two USB1.1 compliant connector ports (Type A and Type B).

 

|||||||| 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

 

  • Trace Analysis

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.

 

  • Analysis Functions

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.

 

  • Creating Reports

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.

 

|||||||| Click here for Detailed Specifications

AQ7270 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 mScale error: Measured distance 2 10-5Sampling 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 LCD640 (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, SETWrite: 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)
*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

|||||||| Click here for Specifications by Model

Single-mode Fiber 1 Wavelength Type
Model 735020 735021
Wavelength 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 32dB
Event dead zone*5, 11 0.8m 0.8m
Attenuation dead zone*6, 11 8m (typ) 12m (typ)
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 34/32dB 40/38dB 38/35dB
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)
Single-mode Fiber 3 Wavelength Type
Model 735025 735026
Wavelength 1310/1490/1550±25nm 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
Event dead zone*5, 11 0.8m 0.8m
Attenuation dead zone*6, 11 7/8/8m (typ) 7/8/12m (typ)
Single-mode Fiber 3 Wavelength Type
Model 735027 735027
Wavelength 1310/1550±25nm1650±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 34/32/30dB 40/38/35dB
Event dead zone*5, 11 0.8m 0.8m
Attenuation dead zone*6, 11 7/8/12m (typ) 7/8/12m (typ)
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 10ns, 20ns, 50ns, 100ns,200ns, 500ns, 1us, 2us, 5us
Dynamic range*4 22.5/24dB
Event dead zone*5, 11 2m (typ)
Attenuation dead zone*6, 11 7/10m (typ)
Multimode Fiber 4 Wavelength Type
Model
735030
Wavelength 1310/1550±25nm 850/1300nm±30nm
Applicable fiber SM (ITU-T G.652) GI (50/125,62.5/125μm)
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*4 34/32dB*4 22.5/24dB*8, 10
Event dead zone*5, 11 0.8m*5, 11 2m (typ)*9, 10, 11
Attenuation dead zone*6, 11 7/8m (typ)*11 7/10m(typ)*6, 10, 11
  • *1 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)
  • *2 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)
  • *3 Pulse width setting range depends on the distance range.
  • *4 SNR=1, at pulse with 20 μs, distance range 200 km, sampling resolution 32 m, measurement time 3 minutes.
  • *5 Pulse width 3 ns, return loss 45 dB or more, at a point 1.5 dB below the peak value (not saturated).
  • *6 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.
  • *7 Pulse width of 2 or 5 μs when measured wavelength is 1300 nm
  • *8 SNR=1, at pulse width 200 ns(850nm), 1 μs(1300nm), measurement time 3 minutes.
  • *9 Pulse width 10 ns, return loss 45 dB or more, at a point 1.5 dB below the peak value (not satunated).
  • *10 GI (62.5/125 μm) is measured.
  • *11 At group refractive index 1.5
  • *12 Pulse light output power at 1650 nm less than 15 dBmNote: Specifications without any special remarks, assured at 23±2°C

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Measured Data Analasis and Report Creation Tool
AQ7932 OTDR Emulation Software
AQ7932 is application software that performs analysis of trace data
measured by AQ7270 and AQ7275 OTDR on a PC, and creates reports.
The report creation wizard function makes this task simple. AQ7270
and AQ7275 OTDR data can be easily loaded onto a PC using USB
memory or storage function.

  1. Trace AnalysisYou can edit event search conditions, approximate curve line settings, and other analysis
    conditions, and repeat the analysis. Operation is also easy. Simply click the function icon.
  1. Variety of Analysis FunctionsDisplay up to eight traces on screen, and perform a variety of analyses including
    multi-trace analysis and differential trace analysis for comparing recent waveforms with
    old ones, and use the 2 way trace analysis function for analyzing average values of data
    measured from both directions in the optical fi ber.
  1. Creating ReportsYou can compile trace and measured values from trace fi les and creates a report.
    Reports can also be created in Excel and CSV formats. Reports can be created easily by
    just following the step-by-step instructions in the report wizard.

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