Fiber Curl Measurement System


Manufacturers of optical fiber and optical fiber cable are increasingly being required to provide specifications on the degree of curl in the fiber that they are either making or using.

The CURL400 systemis a discontinued product. This system is in 'limited-support' mode where support is provided on a best effort basis. For more details, please contact your local PFO support representative.

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  • Measures the degree of curl in optical fibers
  • Curl measurement range of 0.7 to 99m
  • Typical measurement time less than 40 sec (including fiber preparation)
  • Measurement as per IEC-60793-1-34 and TIA-EIA-455 FOTP 111

The CURL400 has been designed to provide robust and accurate measurements of Curl in fibers in a production environment. 

It complies both with IEC and TIA. 

The CURL400 measures the curl on 10mm of free fiber, using a technique called “Dual Beam Differential Laser Triangulation”.

The major benefit of this dual beam method is that the beams are fixed in relation to each other; one acts as the reference for the other and as such the system becomes insensitive to any mechanical influences relating to the rotational and fiber holding mechanism, making it far more repeatable and accurate that the alternative microscope image based measurements that need a mechanical reference for the measurement point.

Please refer to the published data-sheet for up-to-date specifications for this product.
This product has a wide choice of configurations and we invite you to contact us to discuss your requirements.
  • The software may be run on Windows® 98 through to the latest Windows® 8 in 32bit version.
  • The software has built in capabilities to allow automation and control of the instrument and data collection by central computer systems.

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