Fiber optic instrument optical fiber multimeter NF-911
All the details including operation procedure & technical parameters and as well as others related can be found in this operation manual for NF-900,NF-901,NF-907 ,NF-909,NF-911 series products as shown in the following.test all kinds of cable, such as RJ11,RJ45,COAX,USB, 1394 cable, it has 9 different tones.A“receiver”is then used to pick up the signal and follow the cable or locate the coil.