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PDL5 | Polarization Dependent Loss Meter

The PDL5 PDL/IL/BR Multimeter is built on top of stable and proven MBR5 meter technology and is taken to the next level. Improved source isolation, electronics, optics, and continuous laser power referencing enhance the performance to allow for repeatable and stable measurements. The meter is capable of providing facilities with the PDL, IL and average loss with up to 0.001 dB.

The PDL5 is a practical choice for many types of fiber optical component testing. It is available with up to 4 internal sources (1310/1490/1550/1625/1650 nm), calibrated external inputs, or multiple detectors.

An intuitive display and keypad simplifies the collection and management of measurement data allowing quick access to the test results from various channels. The meter may be controlled through remote interface (GPIB, RS232, or USB*) or locally via the user-friendly front panel keypad and display. The PDL5 and GMS Software can be used paired with an SX8 switch. All our PDL5 meters come standard with our GMS Software at no additional cost.

The PDL5 meter achieves typical PDL accuracy down to ±0.005 dB and average loss and IL accuracy down to ±0.05 dB. The meter achieves ultrastable backreflection measurements at very low values. Accuracy is typically ±0.4 dB and measurement sensitivity is to –75 dB.

*USB interface via-USB-DB9 adapter


  • Optical Component Testing
  • Incoming Inspection
  • QA Testing

Key Features

  • Ultra Stable and Accurate PDL, IL ave. loss and BR measurements
  • Up to 4 Internal Lasers
  • Up to 2 Output Channels or 2 Detectors
  • 4 or 6 states Mueller matrix methods
  • Resolution down to 0.001 dB
  • ~1 second PDL Measurements

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