3-in-1 optical multimeter NF-911 Noyafa

- Measurement of the power of optical sender (dBm and W).          
- Insertion loss test of optical devices.       
- Light source function       
- Check fiber breakage, winding,ect.         
- New REF user-defined.           
- FC/SC/ST general-purpose interface.             
- Wavelength:850/1300/1310/1490/1550/1625nm(powermeter)                                                                                                 
- wavelength:1310 / 1550nm( light source)
- wavelegnth: 650nm (VFL)