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The handheld fiber optic cable fault tester supports four common optical communication wavelengths: 850nm, 1310nm, 1550nm and 1625nm, adapting to various types of optical fiber communication systems. It integrates optical power meter function with a detection range of -70~+10dBm, meeting the daily loss testing needs of optical fibers. The device has a 1.77-inch LCD screen with clear display, supporting one-key operation for quick fault detection and loss testing. With IP54 dust and water protection grade, it can adapt to various outdoor working environments, and is powered by built-in 3.7V lithium battery, providing up to 15 hours of continuous working time.

Detailed specifications of this tester include test wavelengths of 850nm/1310nm/1550nm/1625nm, optical power detection range of -70~+10dBm, maximum test distance of 100km, fault positioning accuracy of ±0.1dB, operating temperature range of -10℃ to 50℃, storage temperature range of -20℃ to 60℃, built-in battery life of 15 hours, dimensions of 150*100*60mm and weight of 0.5kg. It has IP54 protection grade, supports FC/PC optical interface, and supports storage of 200 groups of test records for data archiving.
This handheld fiber optic cable fault tester is widely applicable to optical fiber communication network maintenance, data center optical fiber wiring testing, outdoor optical fiber line maintenance, security monitoring optical fiber fault detection and other scenarios. It is an ideal tool for optical fiber maintenance personnel, communication engineers and data center operation and maintenance teams, greatly improving the efficiency of optical fiber fault detection and loss testing.