... exploration and processing technology. It is a compositive optical power meter aimed at opening, maintenance, equipment research ... single mode and multimode networks and cables.Applications1. Optical fiber installations 2. Fiber optics installation and maintenance ... (nm)800~1700Detector typeInGaAsStandard wavelength(nm)850nm, 980nm, 1300nm, 1310nm, 1550nm, 1490nmPower testing range (dBm)-50~+ 26 or ...