ST816 Visual fault locator(VFL) 650nm visual fault locator-VFL  has the function of fiber identification and faults locator of SM or MM fiber, it is a helpful assistant to dead zone of OTDR, it also a basic maintenance tool for fiber network, LAN, ATM fiber system and telecom network system.

Features
• Support CW and 2Hz modulation work mode
• Solid: use special laser end design to avoid damage when dropping on the floor.
• Long working hours: use effective laser drive circuit to ensure 1mW/650nm locator can work more than 60 hours continuously.
• Stable power output: use special laser driver circuit, which can ensure stable power output in the low battery.
• 2.5mm universal adapter: use 2.5mm universal adapter, can match SC/LC adapters.

Specifications:

Wavelength	650nm±10nm
Light source	FP-LD laser
Output power	1mW, 3mW, 5mW, 10mW,15mW,20mW (optional),25mw,30mw
connector	2.5mm universal adapter, LC 1.25 universal adaptors(optional)
Working mode	CW or  2Hz modulation
Operating temperature	0~+40 °C
Storage temperature	-25~+70 °C
Power	2pcs AA battery
Working hours	≥ 60
Weight	100g(excluding batteries)
Dimension (mm)	23 X 207