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The confocalDT IFS2404/90-2 90° sensor is designed for precise measurements of displacement, distance, position and thickness. This sensor is equipped with a 90° lens and is therefore ideally suited to installation in restricted spaces. Based on a special lens technology, the confocalDT IFS2404 sensors provide high resolution and a small light spot diameter. They are ideally suitable for applications involving a large number of pieces.
Unit of Measure

Specifications

Measuring Range

 N/A 2 mm

Approximate Start of Measuring Range

 N/A 9.6 mm

Note for Approximate Start of Measuring Range

 N/A Start of measuring range measured from sensor axis.
Static Resolution1 N/A 40 nm
Display Resolution2 N/A 125 nm
Displacement and Distance Linearity3 N/A <±1 µm
Thickness Linearity4 N/A <±2 µm

Light Spot Diameter

 N/A 10 µm
Maximum Tilt Angle5 N/A ±12 º

Numerical Aperture (NA)

 N/A 0.25
Minimum Target Thickness6 N/A 0.1 µm

Connection

 N/A Pluggable optical fiber via FC socket, type C2404-x; Standard length 2 m; Extension up to 50 m; Bending radius: static 30 mm, dynamic 40 mm

Installation

 N/A Clamping Mounting Adapter

Storage Temperature Range

 N/A -20 to 70 ºC

Operation Temperature Range

 N/A 5 to 70 ºC

Shock (DIN-EN 60068-2-27)

 N/A 15 g6 ms in XY axis, 1000 shocks each

Vibration (DIN-EN 60068-2-6)

 N/A 20 g20 to 500 Hz in XY axis, 10 cycles each

Protection Class (DIN-EN 60529)

 N/A Ingress Protection (IP65) (Front)

Material

 N/A Glass Lenses

Housing Material

 N/A Stainless Steel

Approximate Weight

 N/A 30 g

System Design

System Design

 N/A The confocalDT system consists of:
  • Sensor IFS240x
  • Controller IFC24xx
  • Fiber optic cable C24xx

Customer-Specific Modifications

Customer-Specific Modifications

 N/A Application examples are often found where the standard versions of the sensors and the controllers are performing at their limits. To facilitate such special tasks, it is possible to customize the sensor design and to adjust the controller accordingly. Common requests for modifications include changes in design, mounting options, customized cable lengths and modified measuring ranges.Possible modifications
  • Sensors with connector
  • Cable length
  • Vacuum suitability up to UHV
  • Specific lengths
  • Customer-specific mounting options
  • Optical filter for ambient light compensation
  • Housing material
  • Measuring range/Offset distance

Characteristics

Characteristics

 N/A
  • Compact sensor design ø12 mm
  • Submicrometer resolution
  • One-sided thickness measurement
  • Distance measurement
  • Extremely small spot size
  • 1 Average from 512 values at 1 kHz, near to the midrange onto optical flat.
  • 2 RMS noise relates to mid of measuring range (1 kHz).
  • 3 All data at constant ambient temperature (25 ±1 ºC) against optical flat; specifications can change when measuring different objects.
  • 4 All data at constant ambient temperature (25 ±1 ºC) against optical flat; specifications can change when measuring different objects.
  • 5 Maximum sensor tilt angle that produces a usable signal on reflecting surfaces. The accuracy decreases when approaching the limit values.
  • 6 Glass with refractive index n = 1.5 throughout the entire measuring range. In the mid of the measuring range, also thinner layers can be measured.