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Glassfiber Curl Tester

FB-240
  • This equipment measures the curl of glass fiber at off-line.
  • This system consists of a sensor unit & FB-240 special application software, that is made to run on the presonal computer.
  • A sensor unit is connected by RS-232C cable with serial port of the personal compute.
  • This equipment measures the curl of glass fiber by using CCD line sensor.

・Principle

  • This equipment emits two parallel laser beams to glass fiber, and measures the distance between the two laser beams on the CCD line sensor reflected by glass fiber.
  • The curl of fiber is represented by curvature k[1/m] and radius of the curve r[m].
  • The relation between curvature k[1/m] and radius of the curve r[m] is
    k = 1/r
  • Curveture k[1/m] of fiber is
    k = 1/2L * (ds/dz-1)
    (k : Curvature[1/m],
    dz : Standard distance between the two laser beams[mm],
    ds : Measured distance between the two laser beams on the CCD line sensor reflected by the fiber[mm],
    L : Distance between the fiber and the CCD line sensor[m].)

Glassfiber Curl Tester -- Specifications

Model FB-240
CAD file dxf     pdf
Applicable fiber 124um cladding diameter glass fiber
Measurable curvature range 0 〜 0.5 [1/m]
Light source Semiconductor Laser (680nm Visible)
Width of 2 optical path 20mm
Distance of fiber and screen Aprox. 243mm
Sensor CCD line sensor(5000bit, 7um/bit)
Connection with
measuring unit & PC
RS-232C(19200bps,Non-Parity,Data-8bit,1-Stopbit)
Measuring time Approx. 0.32sec
External Communication RS-232C (Another port from the connection with sensor unit )
Power supply for sensor unit AC100〜240V 50/60Hz Free power supply (less than 8VA)
Operating temperature 0〜45℃
Operating humidity 30〜85% (non condensastion)
Outside dimention of sensor unit (W*H*D) 144mm * 72mm * 191mm
Weight of sensor unit Approx. 3kg

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FB-240 Sensor unit   Image



Host PC for FB-240  Image(Sample)
  


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