APM820 Handheld Optical Power Meter Portable Optic Fiber InGaAs +8 ~ -70dBm High Quality Fiber Optic Tester

• Wide measuremen range

• High resolution: 0.01dB;

• Good accuracy:±0.2dB;

•  Insertion loss test in dB;

• SM or MM applications;

•  2.5mm universal and FC, SC, ST, LC;

• 850/1300/1310/1490/1550/1625nm calibrated wavelengths;

•  APM820 is for telecom testing, APM830 is for CATV testing; 

• Energy save mode: about 10 minutes

               no operation will cause the device

 automatic power off (can be cancelled);

•  Reference value storage; 

• Full energy can support above 150hours operation