Fluke DTX-SFM2 Calibration

Description

Fluke DTX-SFM2 Singlemode Fiber Module Calibration and Repair

The Fluke Networks DTX-SFM2 is a singlemode fiber test module for the DTX cable analyzer — an OLTS module that certifies singlemode fiber by measuring optical loss and length at singlemode wavelengths (1310/1550 nm). Its accuracy depends on the optical source and detector, the optical ports, and the module interface, which is where service and calibration focus.

FlukeMeterRepair.com repairs and calibrates the Fluke DTX-SFM2 for fiber installers and network test teams.

Common Fluke DTX-SFM2 problems we fix

• Loss-measurement drift — singlemode optical-loss measurement out of spec, recalibrated against optical standards.
• Source / detector faults — the source or meter not reading at correct power/wavelength, repaired.
• Optical-port / adapter wear — a worn or contaminated optical port, serviced.
• Module-interface faults — the module not communicating with the host tester, repaired.
• Mechanical faults — repaired.

FAQs

My DTX-SFM2 loss results are off — fixable? Yes. Optical and port faults are repairable and recalibrated so singlemode fiber certification is accurate, with documented results. (Send both modules if paired, plus the host unit if needed.)

Is the optical reference verified? Yes — power and wavelength are checked against our optical standards.

Every repair includes calibration verification and a 90-day parts-and-labor warranty. Email us or request service.