GAOTek Optical Fiber Ranger

This optical fiber ranger has display of 3.5 in (8.89 cm) TFT colour LCD, built-in rechargeable battery, VFL of 1 mW, and loss resolution of 0.001 dB.




  • Built in VFL
  • Built in OPM (Optional)
  • High contrast colour TFT LCD
  • Automatic one-button testing
  • Easy to operate for beginners and experts
  • Integrated PALM design, small, light, easy to carry
  • Input laser signal auto detection and self-protection
  • User-friendly OTDR simulation software shows details of events



Technical specification

Dead Zone Event:4.92 ft (1.5 m) or Attenuation:16.4 ft (5.0 m) 13.12 ft to 29.52 ft (4 m or 9 m) 850 nm
Pulse Width S or A: 5 ns or 10 us, B or C: 5 ns to 20 us, MM-A: 5 ns to 1 us
Distance uncertainty ±(31.49 in (0.8 m) ±0.005% x testing distance ± resolution)
Loss Resolution 0.001 dB
Min. Distance Resolution 3.93 in (0.1 m)
Connector FC interchangeable adapter (optional: SC, ST, LC interchangeable adapters)
OPM(Optional) T: +8 dBm to -70 dBm or C: +26 dBm to 50 dBm, only available when OTDR is only one connector
VFL 1 mW
Data Storage Internal (TF card is optional)
Display 3.5 in (8.89 cm) TFT colour LCD
Battery Built-in rechargeable battery
Working Time Standby >15 hrs, measurement >8 hr
Storage Temperature -4 °F to 140 °F (-20 °C to +60 °C), <90% RH
Operating Temperature 14 °F to 122 °F (-10 °C to +50 °C), <90% RH
Size (H x W x D) 7.75 in x 4.21 in x 2.63 in (197 mm x 107 mm x 67 mm)
Weight About 1.65 lb (750 g)



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