ILT2400 Hand-Held Luminance Measurement System

Hand-held luminance (brightness intensity) measurement system

ILT2400, SED033/Y/R

Part Number: ILT2400, SED033/Y/R US

Hand-Held Luminance (Brightness Intensity) Measurement System

  • Research Quality at a Hand-held Price
  • 8 Decade Dynamic Range of Optical Analysis
  • Made in USA
  • Meter & Sensors with NIST Traceable ISO/IEC 17025:2017 Accredited Calibration
  • Hand-held, Compact, Ergonomic Design
  • Brilliant 4.3” Touch Screen Display
  • 90° Screen Rotation for Landscape and Portrait Viewing
  • ILT’s Accuspan: Auto-ranging with Smart Averaging
  • Built-in Rechargeable Battery Lasts Up to 8 Hours
  • Backwards Compatible with ILT1700 Sensors
  • Measurement Speeds Up to 100 µSeconds
  • Custom & OEM Inquiries Welcome


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Response Curve

SED033/Y/R Luminance sensor designed for average measurement of luminance over a target area greater than 30 mm diameter plus 0.75 degree half angle. Field of view: 1.5 deg. Includes the Y filter which was redesigned using proprietary composite filter design software to match the CIE V(λ) Photopic curve within 1% total area error.

Measurement Range: 3e-1 to 5e+6 cd/m²
Dimensions: 90 x 42 mm dia.
Measurement Range: 400-700 nm
Ordering part#(s): ILT2400 SED033/Y/R


SED SEL R Detector








Filters and input optics are not removable in the SCL detectors.


For the latest meter specifications, data sheet, installation guide, tech notes and software, visit the ILT2400 page here.