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    Multi-Functional OTDR Fiber Optic Tester, 1625nm

    OTDR fiber optic tester for sale, 5-inch touch high-brightness color display, wavelength 1625nm, dynamic range 20dB, with optical time domain reflectometer/optical power meter/light source/visible light source/event map/network cable test/lighting function, The optical time-domain reflectomete is the ideal tool for construction, maintenance and monitoring of optical fiber cables.
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    🚚 Free shipping
    🔙 30-day returns
    📅 Delivery: 7-12 days

    OTDR is a machine for measuring fiber attenuation, splice loss, fiber fault location, wavelength range 1625nm, dynamic range 20dB, single-mode fiber type, built-in large capacity storage, external U disk expansion 160G storage space, suitable for bare fiber, fiber optic patch cords and other can leak out red light fiber, fiber optic cable, near-end fault points and micro-bending caused by the detection of high loss section.

    OTDR testing machine

    5-inch color touch screen UI design, intuitive and easy to use

    • The multi-functional OTDR fiber optic tester features a 5-inch outdoor enhanced LCD touchscreen for smooth, real-time user operation.
    • Embedded ARM processor, ultra-low power consumption, and smooth operation.
    • OTDR machine is mainly used to measure fiber optic cable length, loss, and splice quality parameters for fiber optic end test, fiber to the home, especially FTTH optical network testing to provide a comprehensive solution.
    • The visible light (red light) is injected into the optical fiber, and the location of the optical fiber fault point can be easily and accurately determined by observing the position of light leakage on the tested fiber. Multi-functional OTDR fiber optic tester is suitable for the detection of bare fibers, fiber optic patch cords, and other fibers that can leak red light, near-end fault points of fiber optic cables, and high loss areas caused by micro-bending.
    • Network line sequence measurement can detect the network line break, short circuit, or disorder, support different types of network line length measurement, and can roughly check the network line fault location point.


    OTDR (optical time domain reflectometer) uses the backward scattered light generated when the light propagates in the fiber to obtain attenuation information, which can be used to measure fiber attenuation, splice loss, fiber fault location and understand the loss distribution along the length of the fiber, etc. OTDR tester is an essential tool in fiber optic cable construction, maintenance, and monitoring.

    OTDR tester applications

    Model SISCO-OT5F
    Wavelength 1625nm
    Dynamic Range 20dB
    Filtering Characteristics Yes
    Pulse Width 5ns/10ns/20ns/50ns 100ns/300ns/1.0us/2.5us/10μs/20μs 
    Event Blind Zone 2m
    Fading Blind Area 10m
    Distance Range 0.5 to 160 
    Distance Uncertainty ±(1+0.005%x distance+sampling resolution)
    Loss Measurement Accuracy ±0.05dB/dB
    Fiber Type Single-mode fiber
    Storage Bbuilt-in large capacity storage, external U disk to expand 160G storage space
    Display Screen 5-inch high-definition LCD touch screen; 800 * 480 resolution
    Capacitive Screen Touch Times >10 million times
    Standard Optical Interface FC/SC/ST/LC optional
    Battery 5000mAh; continuous: working time > 10 hours (according to Bellcore TR-NWT-001138)
    Dimensions 210mmx160mmx45mm(LxWxH)
    Weight 1 kg
    VFL Cisual Light Source
    Wavelength 650nm+20
    Output Power >1dBm
    Standard Connector FC/UPC
    Optical Power Meter
    Detector Type InGaAs
    Wavelength Range 800~1 700nm
    Detection Range -50~+ 1 6dBm
    Calibration Wavelength 50, 980, 1300, 1310, 1490, 1550, 1 625nm
    Linearity 5%
    Flange Form FC/SC/ST/LC optional
    Light Source
    Wavelength 1310/1550nm
    Output Power 2- 7dBm


    OTDR fiber optic tester details


    Q1: What is an OTDR used for?
    A1: OTDR is a fiber optic instrument used to characterize, troubleshoot and maintain optical communication networks. OTDR testing is performed by transmitting and analyzing pulsed laser light through an optical fiber.

    Q2: What is fiber loss?
    A2: Optical fiber loss is the attenuation per unit length of optical fiber in dB/km, the level of fiber loss directly affects the transmission distance or the distance between relay stations, therefore, understanding and reducing the loss of optical fiber is of great practical significance for fiber optic communication.

    Q3: What is an optical time domain reflectometer?
    A3: The optical time domain reflectometer is a fiber optic tester used to test the characteristics of optical communication networks. OTDR is designed to detect, locate and measure events at any location on a fiber optic link. OTDR requires access to only one end of the link and works in a manner similar to a one-dimensional radar system. By providing graphical trace characteristics of the fiber under test, the user can obtain a graphical representation of the entire fiber link.

    Tips: How to clean the joints of the OTDR tester?

    Before the fiber or connector is connected to OTDR, it must be carefully cleaned, including the output connector of OTDR and the live connector under test, otherwise, the insertion loss is too large, the measurement is unreliable, the curve is much noisy or even make the measurement can not be performed, it may also damage the OTDR. avoid using other cleaning agents other than alcohol or refractive index matching solution, because they can make the adhesive inside the fiber connector dissolve. 


    Thank you for buying industrial test and measurement equipment on, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.

    What is covered?

    SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.

    What is not covered?

    • Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
    • Expendable parts.
    • Routine cleaning or normal cosmetic and mechanical wear.
    • Damage from misuse, abuse or neglect.
    • Damage from use of parts other than SISCO approved.
    • Damage from use outside the product’s usage or storage parameters.
    • Damage from use of parts not sold by SISCO.
    • Damage from modification or incorporation into other products.
    • Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
    • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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