A handheld equipment is most often used in testing electronics, power, pressure measurement, and so on. For example, a handheld optical visual fault locator is such a handheld test equipment used in fiber optic network.
Visual Fault Locator, as the name has already expressed its function, could be regarded as a part of OTDR. It is a kind of device to locate the breakpoint, bending or cracking of the fiber glass. It can locate the fault of OTDR dead zone and make fiber identification from one end to the other end. Designed with a FC,SC,ST universal adapter, fiber fault locator is used without any other type of additional adapters, and can locates fault up to 10km in fiber cable, with compact in size, light in weight, red laser output. Some users liked the convenience of this measurement method, it is sure that the later volume will increase.