Thickness measurement dual sensor ND4

Product information

  • All three sensor technologies are possible in combination with eddy current sensors
  • Reference measurement against roller with metallic reference surface
  • Real-time measurement
  • Communication with customer PLC
  • Provision of data for customer-side control of calender gap and the cross/axis parameters
Profile widthUp to 3000 mm
Measuring range, thicknessUp to 8 mm
Accuracy, thicknessUp to 10 μm (for layer thickness measurement up to 1 μm)
Measuring equipment capability (Cg&Cgk): [TW* = 10 x accuracy]≥1,67
Sensor technologiesLaser triangulation / chromatic-confocal / interferometric combined with eddy current sensor
Measuring points Up to 5
Scan frequencySensor technology-dependent
Laser class2 (dedicated laser safety officer not required)
Resolution of profile thickness0,01 μm
Displayed resolution1 μm for laser triangulation / 0.01 μm for chromatic-confocal/interferometric
Positioning/traversing speed of the sensor Max. 300 mm/s
Relative humidity15 to 95 % (non-condensing)
Ambient temperature+10 °C to +50 °C
Operating voltage120 to 230 V / 50/60 Hz / 16 A
Protection ratingIP 54

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