ASTEL Optical Light Source is a compact and portable fiber optic testing tool designed for optical network installation and maintenance applications. It features dual wavelength support, continuous and modulated light output modes, LED backlight functionality, automatic power-saving features, and low voltage protection for reliable field operation. Suitable for fiber optic testing, telecom installations, and network maintenance applications.
Main Features1) Handheld, easy to operate 2) Two wavelengths 3) Continuous Mode (CW), modulated light output 4) Auto 10 minutes shut off function 5) LED backlight switch on/off 6) Auto close back light in 8 seconds 7) Low voltage check and shut off to save energy
2 pieces AA dry battery or Li battery, LCD display
Battery working duration (h)
Dry battery about 15 hours
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