Shanghai Joinwit Optoelectronic Tech, Co., Ltd.
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    Fiber Optic Test Equipment Manufacturer Since 1998

    Fiber Optic Test Equipment Manufacturer, 100% proprietary designs with OEM/ODM services available.

    Why Choose Us as Your Fiber Optic Test Equipment Supplier?
    • Over 26 years of experience in the industry
    • Annual production capacity exceeding 500,000 units
    • Certified by ISO9001, ISO14001, CE, FCC, and RoHS
    • Benchtop Fiber Optic Test Equipment
    • Handheld Fiber Optic Test Equipment
    Benchtop Fiber Optic Test Equipment
    Polarization Measurement
    Polarization Measurement
    • Polarization Extinction Ratio Meter
    • Multi-Channel Polarization Extinction Ratio Meter
    • Low DOP SLED Light Source
    • Mechanical Adjustable Polarizer
    • Degree of Polarization Meter
    • Polarimeter / Polarization Analyzer
    • In-Line Polarimeter
    Polarity Testing
    Polarity Testing

    This polarity analyser is designed to determine polarity and test cable assemblies during the production of MPO/MTP cables. With one-touch automatic scanning, it quickly indicates cable continuity, polarity (sequence), alarms, and error analysis. It provides a fast, accurate, and efficient polarity testing solution for MPO/MTP cable production, semi-finished product testing, and finished product inspection.

    • MPO/MTP Polarity Analyser
    Insertion Loss & Return Loss Testing
    Insertion Loss & Return Loss Testing
    • Single Fiber/Dual Fiber IL & RL Meter
    • Dual Fiber Non-Winding Insertion Loss & Return Loss Meter
    • Non-Winding Insertion Loss & Return Loss Meter
    • Insertion Loss & Return Loss Meter
    • MPO Insertion Loss & Return Loss Test Platform
    Optical Power Meter (OPM)
    Optical Power Meter (OPM)
    • High-Speed Optical Power Meter Module
    • 4 Channel Optical Power Meter
    • High-Speed Optical Power Meter
    • Multi-channel Optical Power Meter
    Benchtop Light Source
    Benchtop Light Source
    • Benchtop Stabilized Light Source
    • Benchtop/Rack-mount Stabilized Light Source
    • Benchtop ASE Broadband Light Source
    • Benchtop Tunable Laser Source
    Variable Optical Attenuator (VOA)
    Variable Optical Attenuator (VOA)

    The variable optical attenuator (VOA) is designed to control the intensity or power of optical signals, ensuring optimal input levels for receivers. By reducing signal strength, it minimizes the workload on receiving equipment and enables accurate sensitivity testing for various optical components.

    • Benchtop Variable Optical Attenuator
    • Programmable Variable Optical Attenuator
    Handheld Fiber Optic Test Equipment
     Handheld Optical Power Meter
    Handheld Optical Power Meter
    • 10G PON Power Meter
    • PON Power Meter
    • Economical/Intelligent PON Power Meter
    • High Precision Optical Power Meter
    • Handheld Optical Power Meter
    • Handheld Optical Power Meter with Large LCD Display
    • Optical CWDM Power Meter
    • Mini Optical Power Meter
    Handheld Light Source
    Handheld Light Source
    • Handheld Adjustable Optical Light Source

    Our handheld optical light features a 3.5-inch color display and adjustable power output. Supporting up to six wavelengths, it offers a continuous adjustment range of 15dB and the flexibility of single or dual-channel outputs. Paired with compatible power meters, it can automatically recognize wavelengths, streamlining fiber link loss measurements and ensuring reliable results. Its versatile design makes it an excellent choice for both fieldwork and laboratory applications.

    Optical Time-Domain Reflectometer (OTDR)
    Optical Time-Domain Reflectometer (OTDR)
    • 8-in-1 Mini OTDR
    • 16-in-1 Mini OTDR
    • OTDR with Touch Screen
    • OTDR with Capacitive Touch Screen
    Optical Fusion Splicer
    Optical Fusion Splicer

    Fiber optic network construction and maintenance require precise tools that ensure reliable connections. Our optical fusion splicer is designed for easy operation and supports splicing for a variety of fibers, including bare fibers, jumpers, and rubber-coated fibers. The spliced fibers deliver exceptional performance, with a typical return loss exceeding 60dB and minimal splicing losses.

    • Optical Fusion Splicer (4.3-inch LCD Touch Screen)
    • PRO Optical Fusion Splicer (5-inch LCD Touch Screen)
    Optical Fiber Identifier
    Optical Fiber Identifier

    An optical fiber identifier is a practical tool used for fault detection, fault location, and network maintenance in single-mode and multi-mode fiber optic systems. It detects live optical signals without disrupting the fiber network, making it ideal for maintenance tasks and real-time troubleshooting.

    • Handheld Optical Fiber Identifier
    • Digital Optical Fiber Identifier
    Visual Fault Locator (VFL)
    Visual Fault Locator (VFL)

    Fault detection plays an important role in fiber optic network installation and maintenance. This handheld visual fault locator simplifies the process by using a 650nm semiconductor laser to inject visible red light into optical fibers, allowing users to quickly identify breaks, bends, or poor connections by observing light leakage points.

    • Handheld Visual Fault Locator
    Integrated Fiber Optic Tester
    Integrated Fiber Optic Tester

    Fiber optic testing requires precision and versatility, and this multi-functional device is tailored to meet those demands. Widely used in optical communication equipment manufacturing, network engineering, and research institutions, it supports insertion loss, return loss, and optical power testing.

    • MPO Integrated Tester
    • Insertion Loss & Return Loss Integrated Tester
    Since 1998
    Fiber Optic Test Equipment Manufacturer
    • Engage in the research and development and manufacturing of desktop and handheld photoelectric testing instruments
    • The annual output of photoelectric testing equipment reaches 500,000 units
    • Passed ISO9001 series quality certification, 14001 environmental certification, CE certification, FC certification, RoHS certification, and many other international certificates
    • All products have 100% independent intellectual property rights, and provide OEM/ODM services
    • Our products have been recognized by Japan's NTT Communications, South Korea's SK Telecom, Deutsche Telekom, and the United States' Verizon, and have reached cooperation
    Certifications
    Trusted & Certified By Industry Standards
    • ISO9001
    • ISO14001
    • CE certification
    • FCC certification
    • RoHS
    Shanghai Joinwit Optoelectronic Tech, Co., Ltd.
    joinwit@joinwit.com
    +86-21 64357213
    Benchtop Fiber Optic Test Equipment
    • Polarization Measurement
    • Polarity Testing
    • Insertion Loss & Return Loss Testing
    • Optical Power Meter (OPM)
    • Benchtop Light Source
    • Variable Optical Attenuator (VOA)
    Handheld Fiber Optic Test Equipment
    • Handheld Optical Power Meter
    • Handheld Light Source
    • Optical Time-Domain Reflectometer (OTDR)
    • Optical Fusion Splicer
    • Optical Fiber Identifier
    • Visual Fault Locator (VFL)
    • Integrated Fiber Optic Tester
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