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Trek OTDR Singlemode 1550nm

Trek OTDR Singlemode 1550nm
Item #: NPNB-WTO-S15
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Retail: $2,550.00 Price: $1,995.00
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Trek OTDR Singlemode 1550nm

With an unbeatable combination of a small pocket-sized form factor, a 2.8” high-resolution color LCD display, and some of the lowest pricing in the industry, Trek singlemode OTDRs are the wise choice for cost-conscious buyers who need to perform basic troubleshooting or restoration tasks on singlemode optical fiber networks. All this from OTDRs that really are pocket-sized and fair priced, yet have comparable features and specifications to other OTDRs in their class.


  • 2.8” color LCD display automatically rotates based on orientation of OTDR (portrait vs. landscape)
  • Live Mode allows users to expand OTDR display onto larger laptop screen
  • Automatically locates events and places them in an internal event table
  • Full horizontal and vertical pan/zoom function
  • User-selectable parameters such as index of refraction test mode, pulse width, and averaging
  • Integrated user help screens
  • SC/UPC connector port
  • USB interface for downloading stored readings
  • Integrated visual fault locator
  • Re-chargeable Lithium Polymer battery allows for up to
  • 20 hours of normal usage

Optical Specifications

Output Wavelength
Fiber Type
Dynamic Range (SNR=1)1
23 dB
Event Dead Zone2
2 meters (typical)
Attenuation Dead Zone3
7 meters (typical)
Maximum Data Points
Data Point Spacing
Up to 64km: 1 meter // Over 64km: 2 meters
Index of Refraction
1.4000 to 1.6000
Distance Accuracy
Up to 64km: 1 + (distance in meters/10000) // Over 64km: 2 + (distance in meters/10000)
Distance Range4
128 kilometers
Number of Stored Traces
Maximum trace distance: up to 200 // Minimum trace distance: 3000+
1 Using maximum pulse width
2 Width measured 1.5dB down on each side of a reflective event using 1 meter pulse width
3 Distance from event beginning to within 0.5dB where backscatter resumes using 1 meter pulse width
4 Out to furthest reflective event

General Specifications

Display Type
High-resolution Color LCD
Display Size
2.8" diagonal
Battery Type
Lithium Polymer
Battery Life
up to 20 hours normal usage
2.87” x 4.42” x 1.25”
10 ounces (284 g)

Visual Fault Locator Specifications

Output Wavelength
Output Power
1 mW
Operating Mode
CW / Flash