SX503 Handheld Optical Power Meter is a self-developed test instrument Which is widely used for installation, operation and maintenance of fiber-optic network. It features smart  appearance, backlight, auto-shutdown and widely dynamic range, good testing precision and universal optical connector for FC/SC/ST. 

This is the latest product of our company. If you are interested in the product or you have any question about our products and company, please feel free to inform me and we will give you a satisfactory response within 24 hours, I wish we could have a pleasant cooperation in the future. Thank you.

Robin