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  1. 【Name】  Handheld Smart OTDR M300
  2. 【Category】  OTDR
  3. 【Description】  Features5.6-Inch outdoor-enhanced touch screen, 7.4V/4.4Ah Lithium batteryEvent Dead zone as lower a


5.6-Inch outdoor-enhanced touch screen, 7.4V/4.4Ah Lithium battery

Event Dead zone as lower as 1.5meter

Combined multi dynamic range and wavelengths

Muti measurement mode, support touching LCD and pressing keys

Warning function could prevent OTDR module from being damaged by optical signal in fiber.

Realtime measuring function, convenient to monitor the splicing process

Integrated 10mw Visual Fault Locator

Support English/ Chinese input, adopts friendly input interface, totally simulate the computer keyboard input

Integrated with 2GB internal memory, more than 20,000 groups curve storage

PC remote access and control function is available, which support the printing work of the measurement report

Test curve of typical events as below:

Precision judgment of fiber faults; splicing posit and connector terminal;

Precision measurement of test distance and the fiber loss 

Contracted design style, lively graphical interface, easy operation and easy analysis of various events

Measure the length of whole fiber; length between two points, as well as the distance, loss and attenuation coefficient etc

Detailed description of fiber loss distribution curve and the events 




Dynamic range(dB)


Pulse Width(SM)

5ns 20ns 50ns 100ns 500ns 1μs 2μs 5μs 10μs

Distance Range(SM)

Dead zone test, 1.3km, 2.5km, 5.0km,   10km, 20km, 40km, 80km, 120km,

Sampling Resolution

Minimum 0.05m

Sampling Point




Loss Threshold


Loss Resolution


Distance Resolution


Distance Accuracy

±(1m+measuring distance×3×10   +sampling resolution)

Data Storage

20000 groups of curve


10mW, CW/2Hz


3 USB ports(Type A×2, Type B×1)


5.6 inch TFT-LCD, Touching screen


7.4V/4.4Ah lithium battery , support   8 hours continuous working

Working conditions

Working Temp: -10~+50;   Storage Temp: -20~+70;   Humidity: ≤95%(non-dew)


253×168×73.5mm / 1.5kg(include   battery)

Packing list

Straps; Adaptor; Lithium battery; FC   connector; USD Cable; User Guide; CD; softbag; cleaning cotton


Automatic Measurement Mode: Operators do not need to choose the test distance and pulse width, the tester will automatically judge the length, and choose suitable dynamic range as well as pulse width to complete the work; the storage of event trace can be saves manually or automatically which will be convenient for data analysis.

Multiple Wavelengths Measurement Mode: In order to use different wavelengths to execute the loss calculation in one fiber, we can choose duplex wavelengths test mode from parameter settings, the tester will switch wavelengths automatically.

Multiple Trace Analysis: Simultaneous display 4 traces, operators can compare the traces and make analysis of any ones among the traces.

Online Test: This will protect the test instruments and equipment

Duplex Operation Mode: Pure operation through touch screen; or pure operation through the pressing keys.

Data Analysis:

Save and generator standard trace file (. Sor), more than 20000 groups’ storage capacity

Print the analysis report and traces which make the acceptance or work easily;

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