Portable optical power meter ke meter e nepahetseng le e tšoarellang ea letsoho e etselitsoeng ho kenya, ho sebetsa le ho hlokomela marang-rang a optical fiber.Ke sesebelisoa se kopaneng se nang le switch ea mabone a backlight le matla a ho tima.Ntle le moo, e fana ka mefuta e mengata ea litekanyo tse pharalletseng, ho nepahala ho phahameng, ts'ebetso ea ho itekanya ea basebelisi le boema-kepe ba bokahohle.Ho feta moo, e bonts'a li-linear indicators (mW) le li-non-linear indicators (dBm) skrineng se le seng ka nako e le ’ngoe.