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B3S Fiber Optic Light Tester(VFL) 650nm Red Light, Adjustable Brightness, Real-Time Battery Display, Ergonomic Grip

650nm high-power red laser used for accurate fiber fault finding, adjustable output from 5mW to 30mW
3 level adjustable brightness (high, medium, low) and options for different uses
Real-time battery status from 4 stage LED indicator (100%, 75%, 50%, 25%)
USB charging port for convenience and flexibility (dry battery option not included)
Ergonomic grip, and the laser is designed with human life application in mind
High quality smart chip ensures stable, powerful, and reliable laser output
Compact size and lightweight: 125 x 35 x 17 mm 56g, easily carried and stored
Universal 2.5mm adapter with SC, FC, ST fiber connectors
Built-in LED for additional lighting in dark conditions
Spare ceramic ferrule for replacement and use
Long battery life, up to 10 hours provided that the model allows service
Durable, built to last for long service life using quality materials

Price range: $9.90 through $23.00

Categories: Fiber Optic Testers, Visual Fault Locators

Description

Model	B3S05 (Dry Battery), B3S05 (Li-ion), B3S15, B3S20, B3S30 Fiber Optic Light Tester
Output Power	>5mW (B3S05), >15mW (B3S15), >20mW (B3S20), >30mW (B3S30)
Output Wavelength	650nm
Battery Capacity	2 x AAA (B3S05 Dry), Li-ion (B3S05 Li), 600mAh (B3S15), 900mAh (B3S20/30)
Battery Life	>10h (B3S05), >3.5h (B3S15), >5h (B3S20/30)
Charging Time	Not rechargeable (Dry), ≤3h (Li-ion/B3S15), ≤5h (B3S20/30)
Charging Voltage	5V
Standby Current	<300mA
Interface Type	Universal 2.5mm adapter, compatible with SC, FC, ST connectors
Product Dimensions	125 x 35 x 17 mm
Net Weight	56g
Gross Weight	83g
Real-Time Battery Display	Four-level LED indicator: 100%, 75%, 50%, 25%
Brightness Adjustment	3 levels: Strong, Medium, Weak
USB Charging	Supported (except dry battery model)
Ergonomic Design	Comfortable grip for extended use
Smart Chip	High-quality integrated chip for stable, powerful output
Portability	Compact, lightweight, easy to carry and store
LED Illumination	Built-in LED light for auxiliary lighting
Spare Ceramic Ferrule	Includes backup ceramic core for easy replacement
Power Indicator	LED indicator for battery and working status
Operation Button	Fn button for power and mode, LED button for illumination
Fault Detection Modes	Constant and flashing red light
Material	Durable, robust construction
Application	Fiber optic testing, maintenance, engineering, construction
Enhanced Penetration	High-transmittance red light, strong penetration, stable performance
Multi-Power Selection	Output power selectable from 5mW to 30mW
Human-Centered Design	Designed for ease of use and comfort
Universal Compatibility	Works with multiple fiber connector types
Accessory	Comes with spare ceramic ferrule and protective cap
LED Status Indicators	Separate indicators for power, mode, and battery