ILT5000 Bench-Top Research Scotopic Illuminance Measurement System

ilt5000 research radiometer

ILT5000 Photometer, SED033/ZCIE/W Detector

Part Number: ILT5000 Photometer, SED033/ZCIE/W Detector US

Bench-Top Research Scotopic Illuminance Measurement System

  • 10+ Decade Dynamic Range of Optical Analysis
  • Pico-ammeter: 10fA to 1mA (calibrated from 100fA - 1mA)
  • Wireless Communication, Built-in
  • User controlled or Auto: Range, Zero/Dark, Sample Rate
  • 4-20 mA Output
  • 15 pin D Sub and SMA sensor/input ports
  • “Set it & Forget It” Remote Data Logging
  • Power: USB or Built-in Re-Chargeable Battery Pack
  • Multi-System Simultaneous Continuous Monitoring
  • Includes DataLight II Software and Labview Sample Code
  • NIST-Traceable/ISO/IEC 17025:2017 Accredited Calibration
  • Sample Rate Up to 100 Hz, Programmable
  • Made in the USA
  • Custom & OEM Inquiries Welcome


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Response Curve

SED033/ZCIE/W Scotopic illuminance detector. Includes ZCIE Scotopic filter, which matches the wavelength responsivity of the human eye under dark-adapted conditions.

Measurement Range: 2e-3 to 1e+6 lux
Spectral Range: 400-700 nm
Dimensions: 31 x 42 mm dia.
Ordering part#(s): ILT5000, SED033/ZCIE/W


sed033/zcie/w filter



Filters and input optics are removable and may be ordered separately from detector assembly to allow filter and input optic swapping.

Note: For simultaneous multi-sensor data logging, ILT also offers theILT6000 Rack-Mount Radiometer Systemwith the same specifications as the ILT5000 in a 2-10 unit, rack-mountable housing.

ILT6000 Rack Mount Radiometer system












For the latest meter specifications, data sheet, installation guide, tech notes and software, visit the ILT5000 page here.