GAO Tek presents a collection of meters with a wide variety of products that includes optical power meters, fiber optic multimeters, PON power meters, and fiber loss testers. These devices are designed to optimize the architectures for certain types of networks, such as FTTx or LAN/WAN. Furthermore, they are used for testing the average power in fiber optic systems.

Functions of Meters

Optical Power Meter refers to the instrument used to measure relative optical power loss through the length of optical fiber. By measuring the optical network transmission side or absolute power, a power meter will be able to evaluate the performance of the optical terminal equipment. In combination with a power meter and a stable light source used, it is capable of measuring the connection loss and helps to evaluate the fiber link transmission quality.

Optical power meters support FTTx deployments, fiber network testing, certification reporting capabilities and basic power measurements. These devices measure photon energy in the form of current or voltage from detection devices such as photodiodes, thermopiles or pyroelectric detectors.


GAO Tek’s fiber meters are compact devices, which are small and lightweight. The devices have a rechargeable battery and battery charger and they can work continuously for a long hour under both power meter and light source functions, which make them ideal for optical fiber network installation and maintenance applications. These devices have a quick-start operation, which eliminates the warm-up and boot-up time. Moreover, their auto power-saving design makes them more reliable. Some of the devices perform upstream optical power test over ONU 1310 nm under both constant and burst modes. Additionally, most of the products can connect to PCs via USB interfaces for data uploading, optical power calibration, and threshold modifying with the help of GAO Test Console software. They have high-quality safety cover for protection vibration and dropping.

Applications and Industries

Fiber meters are powerful and reliable maintenance tools that have a variety of applications in many fields such as engineering, telecommunication networks, CATV systems and in fiber optic lab testing and light detection. Other applications for these devices include their usage in daily maintenance of the fiber network, CWDM system, DWDM system, and FTTX network. Furthermore, they are also are used in many systems for the transmission of broad bandwidth digital and analogue signals, and are currently in prolific use in networks such as the internet, wide area networks, local area networks, cable, communications, and telecommunications systems.


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