Optical Power Meter (Mini345 Series)




The Mini345 is easy-to-use testing instruments for optical fiber network. The optical power measurement results could be displayed in logarithmic (dBm), and relative power (dB) modes. The user can choose one of these modes for absolute power or relative loss measurements.


  • Wavelengths: 1310, 1490, 1550nm (Mini345W, Mini345U1)
  • Dust and shock proof design
  • Auto shut-off function
  • Fast response, no warm-up
  • Data storage function


  • ATM-PON Monitoring
  • Ethernet-PON Monitoring
  • Hybrid-PON Monitoring
  • Fiber attenuation testing
  • Telecommunications
  • FTTH ready

Technical Specifications

Parameter Typical Note
Model Name Mini345W Mini345U1 Mini345U3
Calibration Wavelength (nm) 1310/1490/1550 850/1300/1310/1490/1550/1610
Detector Type InGaAs
Calib. Accuracy A�0.03 dBm
Power Range 0 ~ -60 dBm
Display Unit dB, dBm, uW
Adapter Type SC SC, FC, ST
Data Storage None
Data Transmission None
Dimensions (mm) 88.5x57x19.5
Auto off (Minutes) 10
Parameter Unit Typical
Battery Power V Tow AAA alkaline
Life Hrs 100(Typ.)
Display 16 by 2 LCD Module
Operating Temperature A�C -5 ~ 65
Storage Temperature A�C -20 ~ 70