Product features：
1. This meter provides a self- calibration function for user；
2. Multi-wave band precision measurement；
3. Can store 255 sets of test data;
4. Low voltage indication function;
5. Adjustable automatic shutdown;
6. Adjustable LED backlight display function
7. Portable ergonomic design, graphic dot-matrix liquid crystal display ( LCD)
8. The real-time clock display function, displays the current time and provide a time record for the stored data;
9. Brings wavelength 1310 nm 1550 nm, two kind of laser light source

Product functions：
1. Test the Optical frequency； 2. Logarithm power measurement (dBm);
3. Linear power measurement (nw);
4. Relative power measurement (dB);
Applicable products and port：
1. Common interface for FC/SC/ST interface, etc；
Common areas：
1. The transmitter power measurement(dBm or W)； 2. Fiber optic lines, optical device insertion loss test； 3. Fiber optic link installation and maintenance；

Technical parameters：
Model：SML-OPL6
Display ：LCD dimension 128X64mm（valid dimension 48X32mm）
Power ：3pce of NO.5 battery
Operation temperature ：-10°C——+60°C
Operation humidity：≤75%
Probe types: InGaAs
Test wavelength range: 800nm-1600nm;
Standard wavelength(nm): 850、980、1300、1310、1490、1550;
Display precision: Linear shows 0.1%, Logarithm shows 0.01dbm;
Measurement range: -50——+26dbm;
Measuring sensitivity: 0.01nw;
Uncertainty: ±5%;
Appearance dimension： 180X75X32 mm ;
Packed dimension：220*150*60mm;
Total weight ：400g