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Product name : V6418 high performance OTDR(35-38dB Reach to 150km)
Item : FO-059
Price : $4355.00-$4839.00
Manufacturer : The 41st Institute of CETC
Weight : 2.6kg
Size : 295.0mm×186.0mm×75.0mm
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AV6418 OTDR is a high performance measuring instrument with multifunction designed for testing FTTx network. It's mainly used to measure the physical characteristics of optical fiber under test, such as the length、the transmission loss and the splice loss etc.. It can also locate the faults or breaks of optical fiber. It's widely applied in the manufacture, construction and maintenance in optical fiber communication system.
Mainly features
1. Handheld、lightweight and convenience for carrying
2. 45dB high dynamic range
3. ≤1m extra-short event dead zone
4. 0.05m high distance resolution,128k sampling points
5. Fast auto measurement,one-button operating
6. Test up to four wavelengths with a single unit
7. Communication light check automatically
8. Remote function via Ethernet
9. Double USB interfaces, supporting USB stick and printer and direct cable download to PC via ActiveSync
10. Supporting Bellcore GR196 file format in writing or reading
11. Built-in lithium battery with high capacity for over 8 hours of operating life
12. Visible fault locating (VFL) and optical power meter
13. Universal FC/PC,FC/SC,FC/ST connector type, it's convenient for surface cleaning
14. Unique function of updating application software on-line, returning to factory is unnecessary

Dynamic range

Please refer to "OTDR modules specifications"

Distance uncertainty

±(0.75m + sample space + measurement distance×0.0025%)1

Sampling resolution


Distance range

0.4,0.8,1.6,3.2,6.4,16,32 (MMF of 850nm)

Pulse width

5,10,30,80,160,320,640,1280 (MMF of 850nm)

Loss threshold


Sampling points

Up to 128k



Loss resolution


Memory capacity

≥800traces(build-in), ≥65500traces(2GB SD storage)

Group refractive index setting

1.00000 to 2.00000 (0.00001steps)

Distance unit



640×480, 6.5 inch TFT-LCD (touch screen)


USB, Min-USB, Ethernet, earphone, SD

Optical connector

FC/SC/ST (universal connector)



Optical Power Meter

Wavelength range: 1200nm to 1650nm Measurement range: -60 to 0dBm Measurement accuracy: 5%(-10dBm, CW)

Power supply

AC adapter 100 to 240V, 50/60Hz, 1.5A DC:19V±2V(2A) Built-in Lithium battery: 4400mAh, operating time ≥8 hours 2


User selectable: simplified Chinese, English, Russian, Korean etc.. (please contact CETC 41st for others)


Operating temperature: -10 to 50℃(charging:5 to 40℃)
Storage temperature: -40 to 70℃(Battery: -20 to 60℃)
Relative humidity: 5% to 95%, non-condensing




2.5kg Approx.

  Note1: Does not include uncertainty due to fiber index
  Note2: Low brightness, exclude measuring.
Extra-short event dead zone
Due to its high resolution, AV6418 OTDR has 1m extra-short event dead zone, which is suitable for testing short optical fiber and pigtail optical fiber.

High-speed auto analyzation
AV6418 can quickly determine and locate the events and faults in trace precisely, then lists all events in even table, so it's very useful to maintainers to improving efficiency and it's unnecessary to know about the relative background knowledge.

High-speed auto measurement
The function of auto measurement of AV6418 OTDR makes it unnecessary to operator to know about the further details of operating. The operation becomes very simple: after connect the fiber, only press【Start】,then the trace measured is displayed and the events are listed on screen in a few seconds, now, you can view the trace and event table.

Unique PON testing capability
AV6418 is ideal for access and FTTH network testing, it enable you to test through 1x32 even 1x64 splitters for PON(passive optical network) testing.
AV6418 offers an exceptional 1m event dead zone and 0.05m high distance resolution, with which you can characterize all events between the transmitter and the central office's fiber distribution panel.

Convenient VFL function
he built-in 650nm visual fault locator (VFL) is ideal for identifying bad splice, bad connector, break or macro bend easily. The standard VFL with more than 2 milliwatt output power is factory installed in AV6418, which the operation distance is in excess of 5 kilometers.

Communication Light Check
When measuring a fiber in service, the measuring result by an OTDR is not precise, and there is a potential risk of permanent damage to the internal photoelectric of OTDR receiver. To prevent these problems, the AV6418 OTDR can detect automatically and silently if communication light is present after the fiber under test is connected, once the light is verified present, simultaneously, a warning message will be displayed and internal OTDR protection will be active instantly.

Multiple Wavelengths and Models
AV6418 OTDR can provide any of single mode or multimode or both, designed to test FUT at up to four wavelengths in single unit, such as 850, 1300, 1310, 1383, 1490, 1550, 1625 and 1650nm wavelengths, with which AV6418 can be used widely from long range to FTTx, CATV, LAN, Access and Metro networks.

Abundant external interface
AV6418 has abundant external interface, such as USB, Min-USB, Ethernet, earphone and SD, due to these, it can provide the following functions:
1. Training via multimedia for operators, which can enable you become a measuring expert within short time.
2. Implementing remote controlling through Ethernet, troubleshooting from long distance for fiber under test.
3. Printing trace and event table
4. Updating application software on-line

Typical application:

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