The EXFO FOT-22AX is a handheld optical power meter engineered for accurate power measurement across fiber optic systems. It delivers NIST-traceable measurements with high accuracy and resolution, supporting multiple wavelengths and measurement units. The instrument combines field-rugged construction with laboratory-grade performance, making it essential for network installation, maintenance, and troubleshooting.
– Technical Specifications
Optical Performance
• Detector: GeX (2 mm)
• Standard wavelengths: 780 nm, 850 nm, 1300 nm, 1310 nm, 1550 nm
• Measurement range: −50 dBm to +21 dBm
• Resolution: ±0.05 dB (at −35 dBm reference level)
• Uncertainty: ±5% (at −35 dBm reference level)
• Measurement units: dBm, dB, W
• Linear amplification technology for improved accuracy
• Electrical offset nulling for extreme temperature operation
• 2 kHz signal detection for fiber identification
Power & Environmental
• Power source: Single 9 V battery
• Battery life: >14 hours continuous operation
• Auto-off function for power conservation
• Handheld, compact, rugged design
• Shockproof holster with adapter and battery storage
• Meets Telcordia drop-test requirements
– Key Features
• NIST traceability ensures measurement reliability and regulatory compliance
• Five standard wavelengths cover legacy and modern fiber installations
• Wide dynamic range (−50 dBm to +21 dBm) accommodates both high-power transmitters and weak optical links
• Simultaneous measurement in dBm, dB, and W reduces need for manual conversion
• 2 kHz fiber identification simplifies field troubleshooting
• Extended battery runtime minimizes downtime during extended fieldwork
– Typical Applications
• Transmitter power verification (dBm and W)
• Fiber-link insertion loss characterization (dB)
• Component insertion-loss testing (dB)
• Fiber identification and circuit verification
• LAN installation and maintenance
– Compatibility & Integration
A complete range of EXFO fiber-optic adapters is available for standard connector interfaces, enabling rapid field reconfiguration across diverse network topologies.
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