Contractor Series Light Sources and Power Meters


  • Palm-sized rugged, dependable tools
  • 5-Year Product Warranty
  • 3-Year Calibration
  • Large sunlight readable display


  • Link loss measurements
  • Certify SM & MM links to industry standards
  • Continuity check and fiber identification prior to fusion splicing


Quality tools designed for loss measurements over single-mode and multimode networks.  Small palm-sized units are ideal for field use.  Sized to carry and built tough to endure the rigors of outside plan work environments.


Rugged palm-sized units backed with an industry leading 5-year warranty

  • CSM1 Power Meter
  • CSM1-4 (Filtered InGaAs) High Power (+26 dB) for CATV or DWDM system applications
  • CSM1-3 (InGaAs) for standard single-mode networks
  • CSM1-2 (Ge) for mixed LAN/WAN single-mode and multimode networks
  • CSM1-1 (Si) for plastic optical fiber networks
  • CSS1 Dual Wavelength Single-Port Light Sources
  • CSS1-MM: 850/1300 nm multimode Light source
  • CSS1-SM: 1310/1550 nm single-mode Laser source

Contractor Series Test Kits

CSM1 Power Meters with CSS1 Light Sources shipped in a convent carry case with room for test cords, cleaning supplies, and other accessories.  Kits for all applications: single-mode (CKS), multimode (CKM), and mixed (CKSM).