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Duogalia Fiber Optical Power Meter with 10Km Light Source SC FC Connector, -50~26dBm, 10 Optic Wave Length, Optic Test Equipment for CCTV Communication Engineering

OrienTek TPM-35 Optical Power Meter & TLS-35 Light Source OPM OLS Kit, 2.5 mm SC Interface with Manual Calibration (SM 1310/1550nm)

AUA Professional Fiber Optic Testing Kit with Power Meter -70~+10dBm, Visual Fault Locator, Network Tester, LED Light Source, FC-LC Adapter, Cleaver Tools Set

SONGLIANG 5mw10mw20mw30mw50mw60mw VFL Right Light Pen FC-LC Adapter Strong Light Source Optical Fiber Luminous Pen Tester(30mw with Adapter)

EIMSOAH Optical Fiber Identifier, 800-1700nm, VFL Red Light Source, Fiber Detector with Cable Tester, 10km Range, 270Hz 1KHz 2KHz

FTTH Tester KLS-35-SM Pocket Sized Optical Single Mode Light Source OLS Optical Universal Connector:FC+SC+ 2.5mm Output Stability:±0.05dB 1310/1550nm 1 PCS

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Fiber Optic Identifier with Power Meter & Red Light Source - Online Testing Without Interruption for Data Center & Network Contractors, Microbending Non-Destructive Detection for SM/MM Fibers (Blue)