... fusion splicing machine, attenuator, talk set, fiber identifier optical fiber test device, power meter, laser source, otdr, fusion splicing machine, ... . It is the best selection for major engineering test operators and technicians. It is applicable for field operation and high-precision measurement ... 4.5 digit LCD display, multi-unit display mode for shift: nW,uW,mW,dBm,dBl Automatic range shiftl ...