• CIRCONNK120VisualFaultLocator_VFL
  • CIRCON_NK120_Visual_Fault_Locator_VFL_1
  • CIRCON_NK120_Visual_Fault_Locator_VFL_2
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CIRCON NK120 Visual Fault Locator (VFL)

CIRCON NK120 Visual Fault Locator (VFL)

$40.00 USD
$40.00 USD
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NK120 series VFL is a compact, high-power tool for identifying faults in single-mode and multi-mode optical fibers. With laser output up to 50mW at 650±20nm, this handheld device enables precise detection of fiber breaks, bends, and poor connections. Built with a rugged aluminum alloy body and powered by a 2200mAh 18650 rechargeable Li-ion battery, it ensures stable performance and long operational endurance across diverse testing environments.

Key Specifications:

  • Output power options: ≥15mW, ≥20mW, ≥30mW, ≥50mW
  • Typical measuring distance:
    • NK120-15: 8–10km
    • Others: ≥10km
  • Operating modes: CW / 1Hz / 2Hz
  • Wavelength: 650±20nm
  • LED indicators: 2 pcs
  • Fiber type compatibility: Single-mode (SM) / Multi-mode (MM)
  • Connectors supported: FC, SC, ST
  • Power supply: 3.7V, 18650 Li-ion battery (2200mAh)
  • Charging port: Type-C
  • Operating temperature: -10°C to +50°C
  • Storage temperature: -40°C to +70°C
  • Humidity tolerance: 0–95% RH (non-condensing)
  • Dimensions: 148mm × 29mm × 29mm
  • Weight: approx. 200g

Product Features:

  • High laser penetration for long-distance fault detection
  • Rotary switch design for easy and safe operation
  • High-integrated chip for stable modulation and power management
  • Highlight LEDs for low-light environments
  • Universal connector adapter with ceramic core for reliability
  • Aluminum alloy housing for enhanced durability and texture
  • Emergency power bank function for smart devices

Applications:

  • Identifying faults in optical fiber links (fractures, bends, poor splices)
  • Maintenance of patch cords, ribbon fibers, and bundled pigtails
  • On-site fiber inspection and construction validation
  • Optical fiber CATV and sensing system support

Standard Configuration:

  • Host device (including battery)
  • User manual
  • Type-C data cable
  • Qualification certificate & service guarantee card
  • Carrying sling

 

Data Sheet Click To Open.

Output Power

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