Fiber optic handheld light source dynamic range 35dB

The Fibershot Pro-D35 and KLS-35 handheld fiber optic light sources offer a dynamic range of 35dB and are designed for portable, field-ready fiber testing.

Fibershot Pro-D35

The Fibershot Pro-D35 is a handheld OTDR device that integrates an optical power meter, light source, visual fault locator, fiber microscope, and power meter in one unit. It supports SC/PC, FC/PC, and ST/PC connectors and provides a dynamic range of 35dB at 1310nm and 33dB at 1550nm. The device features a 7-inch TFT touchscreen, a 4000mAh lithium battery for up to 12 hours of continuous testing, and an LED flashlight for night operations. It is compact, multi-purpose, and suitable for both urban and rural optical network testing .

KLS-35 Series

The KLS-35 fiber optic light source is a portable, handheld tester designed for FTTH applications. It provides single-mode output at 1310nm and 1550nm, with a stable optical power and spectral width. The device includes an innovative self-calibration function, ensuring accurate measurements in the field. It is lightweight, durable, and compatible with a variety of fiber optic cables, making it versatile for different testing scenarios . When paired with an optical power meter, it can measure end-to-end optical loss and verify fiber continuity .

VIAVI SmartOTDR Pro

The VIAVI FSTOTDR-PRO-I-APC is a professional handheld OTDR with a dynamic range of 35dB at 1550nm and 37dB at 1310nm. It includes a broadband power meter, visual fault locator, and integrated CW light source, optimized for PON networks and capable of testing through a 1x128 splitter. The device features a 5-inch outdoor touchscreen, onboard report generation, and connectivity via USB, Bluetooth, and WiFi. It is lightweight and comes with a rechargeable battery providing up to 20 hours of operation .

Key Considerations

• Dynamic Range: All three devices meet or exceed the 35dB requirement.
• Portability: KLS-35 and Fibershot Pro-D35 are compact and lightweight for field use.
• Integrated Tools: Fibershot Pro-D35 and VIAVI SmartOTDR Pro include multiple testing modules, reducing the need for separate instruments.
• Availability: Fibershot Pro-D35 and KLS-35 are available through online retailers like Amazon and Walmart, while VIAVI devices may have a 2–4 week shipping period in the USA . These handheld light sources are suitable for fiber optic installation, maintenance, and troubleshooting, providing reliable performance for professional technicians.