OFI-3 Live Fiber Identifier Active Fiber Detector Fiber Traffic Identifier


SKU: 10768 Category:

OFI-3 Optical Fiber Identifier is a low cost, portable instrument designed to detect optical signals without disrupting traffic. Based on non-destructive macro-bending technology, OFI-3 Optical Fiber Identifier doesn’t disrupt traffic, damage or over-stress the fiber, enabling efficient, accurate and reliable data acquisition. During maintenance, installations, rerouting or restorations, it’s often necessary to isolate a specific fiber. By simply clamping OFI-3 Optical Fiber Identifier onto a fiber, it will indicate if there is a signal, a modulated signal, or traffic, and show signal direction.


  1. “One button meter”, convenient and easy to use
  2. Detect a variety of optical tones,270Hz,1kHz and 2kHz
  3. Powered by 2 units of 1.5V AA alkaline batteries
  4. 25mm,RB0.9mm, and RB3.0mm plungers available


Recognizable Wavelength Range 900 to 1650nm
Recognizable Signal Type CW, 2kHz, 1kHz, 270Hz±5%
Detector Type InGaAs 2pcs
Clamp Type RB0.25mm for bare fiber, RB0.9mm for buffer, RB3.0mm for jacketed fibers
Sensitivity @1310nm +11dB to-20dBm (Continuous Wave);

+11dB to -10dBm ( Modulated Signal)

@1550nm +11dB to-30dBm (Continuous Wave);

+11dB to -18dBm ( Modulated Signal)

LED Indicator signal traffic; signal frequency (2kHz/1kHz/270Hz);

signal intensity (5 grades); low battery

Operating Temperature -10 to +50℃
Storage Temperature -20 to +70℃
Power Supply 1.5V AA dry batteries*2pcs
Dimension 202mmL*62mmW*36mmH
Weight 270g
Standard Accessories:
2*batteries, 3*adapter heads (RB0.25mm, RB0.9mm and RB3.0mm), carrying bag, user manual, test report
Weight 1.52 kg
Dimensions 26 × 20 × 9 cm


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