HOPM-2030B hand-held Optical Power Meter is a kind of Optical test instrument designed for the application in Fiber-optic line at the scene and Production line test site. The power measurement range is -30dBm ~ +20dBm. It can change many Common measurement wavelengths and is suitable for the Measurement of optical networking line. The special pen-design makes the product very small and easy to take out. No matter for the optical network maintenance application or for the Production line test application, HOPM-2030B Optical Power Meter will become your excellent tool for testing.