ILT 1000 Datalogging Light Meter

The ILT1000, supplied by International Light Technologies, is built on over 50 years of expertise in light measurement and includes ISO/IEC 17025:2017 Accredited, NIST-traceable calibrations. It uses components derived from the industry-standard ILT1700 Radiometer/Photometer system, including detectors, filters, optics, and calibrations.

Designed for OEM and custom applications, the ILT1000 supports a wide range of solid-state detectors, bypass filters, and input optics. Integrating one or more ILT1000 units into your system is straightforward—ILT provides full support for application-specific setups.

With the ability to measure across 8 decades of light intensity (e.g., nW/cm² to W/cm²), it offers direct readouts in units such as W, Lux, Lumens, cd/m², and more. Built-in data storage supports continuous monitoring with customizable sampling rates for “set it and forget it” datalogging.

Leveraging affordable wireless technology, the ILT1000 enables ISO/IEC 17025:2017 Accredited, NIST-traceable measurements in the UV, VIS, and IR ranges. It features a standard USB interface and supports wireless operation, ideal for environments where cabling is impractical.

UV, VIS and IR Datalogging Optometer

  • Available in 6 standard models covering UV – NIR
  • Measurements as fast as 20 usec (with profile)
  • Broad measurement range (8 decades of optical analysis)
  • “Set It & Forget It” Remote Data Logging with On-Board Data Storage
  • Multi-System Continuous Monitoring (up to 32 systems with one hub)
  • UV, VIS and NIR measurements from 200- 1850 nm
  • Complimentary Datalight III software for PC and MAC
  • 4-20 mA Output for PLC control
  • Includes DataLight III comprehensive software package for both Mac and PC
  • Made in USA
  • OEM and custom configurations available.  Contact us for details.
Model NameWavelength Range
ILT1000 UV-IR200 -1064, 950 nm peak
ILT1005 UV-VIS250 – 675 nm, 610 peak
ILT1000 Lux400 – 700 Photopic, 555 nm peak
ILT1254 NB UVC249 – 259 nm Narrowband, 254 nm
ILT1270 UVC215 – 355 nm, 270 peak
ILT1007 IR850 – 1700, 1455 peak

 

  • Optical Density: 0.00 to 4.00 Optical Density
  • Optical Density Repeatability: (single) ± 1%, (multiple) ± 2.5%
  • Operating temperature: -40 to 85 °C (calibrated irradiance 0-50 °C)
  • Datalogging Memory:  Can store 16,380 total light level readings or 8,190 light level with real time stamp
    (At one reading per minute, this equates to 11.3 days (real time stamp off) or 5.6 days of logging with time stamp on)
  • USB: USB2, Including Power, for Single and Multiple Systems
  • USB Current Draw: 200 mA Max, 130 mA Typical
  • Interface:  Simple, Well Documented API for Custom Programming
  • Size: 76.2 x 76.2 x 25.4 mm (3″ x 3″ x 1″)
  • Weight: 173 g (less than 0.5 lbs)

 

  • Camera/phone flash photometry
  • Beacon/exit sign/aerospace effective candela measurements
  • Audience scanning/laser light show eye safety exposure
  • Process monitoring 
  • Ribbon clarity/glass production and liquid turbidity
  • Transmission measurements
  • Pharmaceutical/cosmetic
  • Semiconductor
  • Plant photobiology
  • Lithography
  • UV Curing

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