The EXFO FOT-22 is a handheld optical power meter designed for field measurement of signal power across fiber optic networks. It delivers precise power assessment for installation, maintenance, and troubleshooting of optical infrastructure, combining wide measurement range with multi-wavelength calibration and tone detection capability. The instrument features an InGaAs detector, backlit LCD display, and onboard data storage with USB connectivity for field engineers and technicians requiring field-deployable optical diagnostics.
Technical Specifications
Optical Measurement
• Power Measurement Range: -50 dBm to +26 dBm
• Detector Type: InGaAs
• Calibrated Wavelengths: 850 nm, 980 nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm, 1625 nm
• Measurement Uncertainty: ±5% or ±0.2 dB (typical)
• Resolution: 0.01 dB
• Display Units: dBm, mW, nW, dB
Detection Capabilities
• Tone Detection: 270 Hz, 330 Hz, 1 kHz, 2 kHz modulated signals
• Auto-Wavelength Recognition: Compatible light source identification
• Reference Power Measurement: Settable and storable baseline for relative loss calculations
Power and Battery
• Battery Type: Rechargeable Lithium-ion
• Battery Life: Up to 40 hours continuous operation (typical)
• Charging: USB port
Environmental
• Operating Temperature: -10 °C to +50 °C
• Storage Temperature: -40 °C to +70 °C
• Relative Humidity: 0% to 95% non-condensing
• Weight: Approximately 300 grams
– Key Features
• Compact handheld form factor for single-handed operation
• Interchangeable optical connectors (FC, SC, LC) with standard 2.5 mm ferrule
• Onboard measurement data storage with Mini-USB export
• Backlit LCD display for variable lighting conditions
• Intuitive button-based navigation and control
– Typical Applications
• Fiber optic network installation and commissioning
• In-service power loss verification and troubleshooting
• Optical signal quality assessment across C-band and L-band wavelengths
• Multi-wavelength loss budget validation
– Compatibility & Integration
The FOT-22 operates with standard modulated light sources (270 Hz, 330 Hz, 1 kHz, 2 kHz) for automated wavelength recognition. It supports common fiber optic connector types through standard 2.5 mm ferrule adapters and transfers measurement data via Mini-USB interface.
