Portable Optical Power Meter A-M70 Fiber Optic Tester 10-Wavelength with RJ45 Network Test & LED Light, High Accuracy ±0.2dB, Mini Optical Multi-Meter with 500 Data Storage & User Calibration

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• 【All-in-One 10-Wavelength Optical Multi-Meter】 Supports 10 selectable wavelengths (850/980/1270/1300/1310/1490/1550/1577/1625/1650), covers 365-700 range with ±2dB accuracy and -70~+10dBm power range, to meet multiple fiber testing needs.
• 【High Precision & User Calibration】 Features a high-Precision detector with a minimal measurement error of ±0.2dB. Supports DIY user calibration: simply long-press the power button and specific wavelength key to enter calibration mode, then fine-tune by ±0.1dB using REF and dB keys for more accurate and flexible testing.
• 【Integrated Network Test & Data Storage】 Cleverly built-in hidden RJ45 network tester, easily pull it out for wiring checks anytime. Stores up to 500 groups of data, allowing you to save and review test results on the go, greatly enhancing work efficiency.
• 【Portable, Durable & Thoughtful Design】 Compact and lightweight, it can be handheld, hung on the chest, or placed in a pocket or backpack. The rubber-coated anti-drop design ensures durability. A bright LED light is included for easy line inspection and construction in dark environments.
• 【Energy-Saving & Smart Operation】Features a 10-minute auto-shutdown in standby mode to save power. The clear interface displays dBm, nW, and dB reference values, along with a network fault indicator for straightforward operation.