Product Description
- Non-intrusive live fiber identification without service interruption
- Real-time optical power display
- Detects optical signal direction instantly
- Supports 270Hz, 1kHz, and 2kHz modulation tone detection
- Compatible with 250μm, 900μm, 2mm, and 3mm optical fibers
- Fast and accurate live fiber verification
- Bright digital display for easy outdoor reading
- Compact handheld design for field technicians
- Low power consumption with long battery life
- Rugged housing for indoor and outdoor environments






KFI-35 Optical Fiber Identifier with Live Fiber Detection & Signal Direction Display
The KFI-35 Optical Fiber Identifier is a professional non-intrusive testing device designed to identify live optical fibers without interrupting network traffic. It accurately detects optical signal presence, transmission direction, and modulation tones while displaying relative optical power in real time. Compatible with 250μm, 900μm, 2mm, and 3mm optical fibers, the KFI-35 provides safe and reliable fiber identification for FTTH deployment, telecom maintenance, data center operations, CATV systems, and fiber optic troubleshooting. Its compact handheld design and intuitive digital display make it an essential tool for field engineers and network technicians.
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