B1 Visual Fault Locator 10mW for SC FC LC ST Connectors, 10km Fiber Tester, APC Circuit

10mW Output Power: Provides bright and stable visible red light for accurately locating fiber faults up to 10,000 m.
Wide Compatibility: Works with SC, FC, LC, and ST connectors to address every fiber testing requirement.
All-Metal Body: Aluminium alloy outer shell with anodized finish for long-lasting durability, as well as a professional appearance.
APC Circuit: Automatic power control keeps the output constant and unaffected by changes in battery voltage.
360° Protective Ring: The rotating guard covers the button entirely to prevent accidental operation as well as protecting the switch itself.
Multiple Modes: Use of a single button allows the operator to switch between continuous, fast flashing, or slow flashing operational modes.
Dust Cap Design: The dust cap is designed within the unit to protect the interface and to ensure no contamination gets into the interface.
LED Indicators: Clearly visible LED status light provides feedback and uses the same switch.
Portable & Lightweight: Well-designed size – 25×190mm, lightweight – 180g, compact enough for field work.
Wide Temperature Range: Can operate from -10°C to 60°C. Provides reliable results in all environmental temperature ranges for fiber testing.
Long Battery Life: Operates with 2 AA batteries for long use.
Professional Appearance: Use these testers for any telecom or network cabling or fiber installation project with professional results.

Original price was: $29.99.Current price is: $16.00.

Product Name	B1 Visual Fault Locator
Output Power	10 mW
Wavelength	650 ± 10 nm
Fiber Compatibility	Singlemode (SM), Multimode (MM)
Transmission Distance	10–12 km (typical)
Supported Connectors	SC, FC, LC, ST
Power Supply	2 × AA batteries
Housing Material	Aluminum alloy, anodized finish
Product Weight	180g
Product Size	25 × 190 mm
Operating Temperature	10°C to 60°C (non-condensing)
Storage Temperature	-40°C to 85°C
Output Modes	Continuous, Fast Flash, Slow Flash
Mode Switching	One-button cycle
Protective Ring	360° rotating guard covers the button
Dust Cap	Included, protects connector interface
Power Control Circuit	APC (Automatic Power Control)
Power Stability	Output stable regardless of battery voltage
Indicator Light	LED status indicator
End Cap	Metal, easy battery replacement
Anti-slip Grip	Knurled metal surface
Button Protection	Rotating ring prevents accidental operation
Application	Fiber testing, telecom, network installation
Warranty	Lifetime warranty
Signal Strength	High, suitable for professional fieldwork
Environmental Durability	Built for harsh field conditions
Circuit Components	Precision, imported electronic parts
Laser Chip	Imported, stable and reliable