SK500X Handheld Smart Light Source is newly designed fiber optic tester, it aims at fiber network installation, fiber network engineering acceptance and fiber network maintenance. Combined usage with handheld optical power meter, it offers a quick and accurate testing solution on both SM and MM fibers. The smart light source provides 1 to 4 wavelengths and output power can be adjustable on customer requests. Also the light source features good appearance, good touch feeling and considerate humanity design.

Key Features

Standard Wavelength 1310/1550nm, support customized wavelength, up to 4 wavelength

Support CW and a variety of modulation light output

-5dBm to +12 dBm adjustable output power

Wave ID information can be transmitted when used with Optical Power Meter

AA alkaline and AC adapter for power supply

Intelligent backlight control

Low battery indication


1310/1550 nm

Fiber Type


Optical Connector


Laser Type


Output Power

-5dBm to 12dBm (can be adjustable)

Adjustable Step Size

< 0.5dBm


0.15dB / 30min (20℃)

Modulation Mode


Continuous Working Time

≥ 45h

Power Supply

Three AA batteries, 1.5V


90 (W) × 180 (H) × 45 (D) mm



Main Machine

Module No. Item Description
SK500X Smart Laser Source 1310/1550 nm, SM, Dry battery