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Nano OTDR
Test and Measurement Equipment > OTDR

Nano OTDR

Ultra-compact Nano OTDR with built-in VFL and power meter for quick field testing.

The PDR Nano OTDR is a compact, smartphone-connected dual-wavelength (1310/1550 nm) OTDR for precise fiber testing, loss analysis, and real-time measurements via the Smart-OTDR app.
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Technical Specifications

Fiber TypeSingle-Mode (ITU-T G.652 / G.657)
Wavelengths1310 nm | 1550 nm
Dynamic Range26 dB @ 1310 nm | 24 dB @ 1550 nm
Distance Range0.1 km, 60 km (auto & manual)
Distance Resolution0.01 m
Distance Accuracy±1 m + ±0.005% × distance
Event Dead Zone≤ 1 m (typical, with 10 ns pulse)
Attenuation Dead Zone≤ 4 m (typical, with 10 ns pulse)
Pulse Widths10 ns / 30 ns / 100 ns / 300 ns / 1 µs / 3 µs
Sampling Resolution4 cm
Loss Threshold0.01 dB resolution
Return Loss (ORL)Measured in dB, displayed in app
Averaging Time5 s / 15 s / 30 s / 60 s / 180 s
ConnectivityBluetooth 4.0 | Wi-Fi 802.11 b/g/n

Key Features

  • Ultra-compact nano size, fits in a shirt pocket for true field portability
  • Dual-wavelength operation at 1310 nm and 1550 nm for comprehensive fiber testing
  • Wireless Bluetooth / Wi-Fi connectivity to the Smart-OTDR smartphone app (Android & iOS)
  • Real-time OTDR trace display, zoom, and cursor analysis on smartphone screen
  • Measures Total Loss, Total ORL, Average Loss, and Distance per event automatically
  • Multiple pulse widths for optimised dead-zone and dynamic-range trade-off

Applications & Use Cases

  • Fiber-to-the-Home (FTTH) and Fiber-to-the-Building (FTTB) acceptance testing
  • Telecommunications network construction, commissioning, and maintenance
  • Cable TV (CATV) and broadband passive optical network (PON) verification
  • Data centre interconnect fiber certification and fault localisation