Professional power measurement equipment in a light guide TEST FIBER-SM + consists of two devices, one transmitter and one receiver. The transmitter unit sends signals through a fiber optic cable and is equipped with a universal adapter that can be used for ordinary fiber interfaces such as ST / SC / FC / FDDA. The receiver unit receives the signal in light guides. Available in 2 versions covering up to 4 wavelengths. Excellent for measuring fiber loss and fiber attenuation. Identification of fiber cable using modulated light source