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Ando AQ7250 SM Fiber Mini OTDR Long Haul 43/41dB

$1,995.00
Availability: In stock
SKU
1A106

Condition: Refurbished / Calibrated

Warranty: 1 YEAR WARRANTY

The mini-OTDR AQ7250 and optical unit meet all the requirements for building and maintaining optical fiber systems, as well as manufacturing and inspecting optical fiber material.

Compact, lightweight, and battery-powered, the AQ7250 offers a range of functions and capabilities ideal for field use. Its exceptionally wide dynamic range is particularly effective for measuring lines over long distances, as well as lines with heavy loss. In addition, an improved measurement algorithm drastically reduces measurement processing time.

A wide range of optional equipment enables a single unit to be used for measurements on a variety of optical fiber lines. An optional high-speed printer or optical switch unit, as well as a visible light source or optical power meter can be installed on the main unit of the AQ7250. This eliminates the need to carry several measuring instruments on a single field mission.

This mini-OTDR, like its predecessors, has a large, viewer-friendly color screen and a 3.5-inch floppy disk drive as standard equipment.


High-speed, single-button measurement
Automatic measurement with single-button operation in just over 10 seconds (B-type unit).


Fast response
The screen updates a minimum of two times per second in preview mode, and allows real time checking of change in the state of optical fibers in less than a second (twice as fast as previously).


Measurement of lines with large reflection
Reflections too large to be measured became measurable (using average rate of divided high reflection). The Singlemode Fiber Unit can measure return loss of near-end up to approximately 18dB.


Compact and lightweight
The compact B5 file-size AQ7250 weighs only 3 kg (approx.).


Large color LCD
The large 7.2-inch color LCD allows easy viewing of measurement values and waveforms. Background color of the display can be selected.


Long battery life
On batteries, the instrument has an operational life of approximately eight hours under normal service conditions, allowing a full dayメs work on one charge. Recharge time is approximately four hours.


Also supports a keyboard and mouse
The main unit can be operated using an optional mouse.


Supports a range of optical connectors
Various optical connector adapters can be used to enable quick and easy swapping of optical connectors.

AQ4253 VLS Unit
Visible LD light-source unit capable of detecting even near-end faults.
Wavelength: 635 ± 10 nm
Optical output level: -6 ± 1.5 dBm
Applicable optical fiber: SM (10/125 µm)
Connector: FC or SC (factory option)
 

AQ7250 Unit Specifications:

Display 7.2-inch color LCD (640 x 480 dots)
Horizontal axis Full-scale 25m, 50m, 125m, 250m, 500m, 1km, 1.25km, 2km, 2.5km, 5km, 10km, 20km,
40km, 80km, 160km, 240km (Varies according to the unit)
Shift 0 to distance range
Resolution Sampling resolution: 50 cm/min.
Sample data count 20,000 points max.
Distance accuracy ± (5.0 x 10-5 x measurement distance in meters + 1m)
Group refractive index setting 1.00000 to 1.99999, in 0.00001 steps
Vertical axis Distance measurement Displays the relative one-way distance between any two given points, in two
ranges on the waveform, in eight digits.
Scale 0.2 dB/div., 0.5 dB/div., 1 dB/div., 2 dB/div., 5 dB/div., and 7.5 dB/div.
Shift 0 to 68 dB
Read resolution Max. 0.001 dB
Loss measurement Displays one-way losses in steps of 0.001 dB to a maximum of 5 digits.
Displays the relative one-way loss, loss per unit length, and splice loss between
any two given points in two ranges on the waveform.
Automatic measurement function Provided
Return-loss measurement function Return loss: calculated as the difference between the backscattered and reflected light levels.
Total return loss: calculated as the attenuation of total reflected light in relation to total emitted light.
Memory Floppy disk (3.5-inch, 2HD) Can store up to 999 screens (screen mode) and measurement conditions.
Others Optional: PCMCIA hard disk card, IC memory card
Interface Serial 9-pin D-sub
Keyboard/mouse 6-pin DIN (Type PS/2)
PCMCIA card slot PCMCIA type II x 2 or type III x 1 for memory, or hard-disk cards
Power Requirements Battery Ni-MH (Duration: 7 hrs. typ.) 2)
AC adapter AC100 to 240 V, 50/60 Hz
External power supply 12 V +20%/-10% (for operation of unit only; not available for battery charging)
Environmental conditions Temperature Operating temp. : 0 to +50° C (for floppy-disk drive 5 to 40° C/during charging 5 to 35°C)
Storage temp. : -20 to +60° C
Relative humidity 85% RH or less (no condensation)
Dimensions and mass Approx. 290 (W) x 194 (H) x 75 (D) mm, approx. 3 kg with AQ7254B mounted

AQ7255B Singlemode Module

Unit Single-mode Fiber Unit
Measurement Wavelength(µm) 1.31/1.55±0.025
Measured fiber SM (10/125 µm)
Distance range (km) 2, 5, 10, 20, 40, 80, 160, 240
Pulse width (sec) 10 n, 20 n, 100 n, 200 n, 500 n, 1 µ, 4 µ, 10 µ, 20 µ
Dynamic range (dB)(SNR=1) 43/41 (45/43)
Dead zone (m) Event 3
Attenuation 8/9
Stabilized light source Wavelength (µm) 1.31/1.55
Max. outpot (dBm) -3±2
Stability ±0.1
Laser product class Class 1 (FDA) and class 3A (IEC)

Ando AQ7250 Mini Fiber OTDR MainFrame With
Ando AQ7255B Singlemode 1310nm / 1550nm Long Haul 43/41dB Fiber Module
&
Ando AQ4253 VLS / VFL Module

Dynamic Range
1310nm/1550nm : 43dB/41dB

Includes Attached Printer, Hard Carrying Case & Accessories As Listed!

AQ 7250 7255b 4253 AQ-7250 AQ-7255B AQ-4253

Ando AQ7250 AQ7255B AQ4253 AQ-7250 AQ-7255B AQ-4253 OTDR Models On Sale Warranty Calibration Backed by The Best Service and Lowest Prices in the Industry.

BC# 14445

  • Ando AQ7250 Mini OTDR Mainframe (BC# 14445-L/T*)
  • Ando AQ7255B Singlemode Long Haul OTDR Module
    • 1310nm
    • 1550nm
  • Ando AQ4253 VLS / VFL Module
  • Interchangeable FC Connector
  • Fiber Cables:
    • (2) SM SC-FC
    • (2) SM FC-FC
  • Attached Printer
  • AC Adapter/Charger
  • Power Cord
  • RS232 PC Interface Cable 
  • (6) Fiber Optic Cleaning Pads
  • User Manual on CD-ROM 
  • Hard Carrying Case
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