Optical Light Source with FC/LC/SC Adapters for PC/UPC Connectors (FLS-50)

SKU: FLS-50 UPC: 811490018655
Regular price $329.95
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Ships direct from the manufacturer — please allow up to 10 business days, though it often ships sooner, then goes out via the shipping service you select at checkout. This item does not ship from our warehouse, so delivery times may vary.

This handheld source delivers stable, precise light for single-mode fiber testing. It is engineered for 1310 nm and 1550 nm operation and offers multiple modulation modes, automatic wavelength detection, and power-saving features. It is complete with universal PC/UPC connector adapters.  

Key Features

  • Dual-Wavelength Output: 1310 nm and 1550 nm ±20 nm with ≤5 nm spectral width
  • Stable Performance: ≤0.05 dB drift over 15 minutes; adjustable output from –5 to –12 dBm (–7 dBm typical)
  • Multiple Modulation Modes: CW, 270 Hz, 330 Hz, 1 kHz, and 2 kHz for versatile testing
  • Smart Power Management: Backlight auto-control, configurable 10-minute auto-off, and ≥25 hours runtime on three AA batteries
  • Universal Adapters: Includes FC, SC, ST, and FC-LC (PC/UPC) connector tips for full single-mode compatibility
  • User-Friendly Design: 2.4″ color LCD, kickstand for hands-free use, and rugged carry case

What’s Included

  • Optical Light Source
  • FC-UPC, SC-UPC, ST-UPC, and FC-LC-UPC adapters
  • Two fiber-cleaning swabs
  • Instruction manual
  • Three AA batteries
  • Protective carrying case

Specifications

  • Wavelengths: 1310/1550 nm ±20 nm
  • Spectral Width: ≤5 nm
  • Output Power: –7 dBm typical; –5 to –12 dBm adjustable
  • Stability: ≤0.05 dB over 15 minutes
  • Modulation Frequencies: CW, 270 Hz, 330 Hz, 1 kHz, 2 kHz
  • Display: 2.4″ color LCD
  • Power: 3× AA batteries (≥25 hr)
  • Auto-Off Timer: 10 minutes (configurable)
  • Operating Temp.: –10 °C to +60 °C
  • Storage Temp.: –25 °C to +70 °C
  • Dimensions: 7″ × 3.19″ × 1.25″ (178 × 81 × 32 mm)
  • Weight: 0.64 lb (290 g)

Optimize your single-mode fiber testing with this feature-rich, field-ready light source.

Documentation