International Light Technologies has been developing and manufacturing high-performance light meters and measurement systems for over 50 years. Our comprehensive portfolio of light measurement products include radiometers, photometers, optometers, dataloggers, lux meters, chroma meters, spectrometers and spectroradiometers. These meters are designed to measure light in the IR, NIR, VIS and UV Range. Our meters are used for process validation, and research and development covering a broad range of applications including manufacturing, aerospace, medical, scientific, industrial, automotive, agriculture, healthcare, entertainment, military, marine, and more.
ILT light meters can be customized for system integration and OEM resale. If you are interested in customization or OEM options, please contact our sales department at 978-818-6180 x 116, or by filling out the contact form at the bottom of this page.. Want to try before you buy? Inquire about rental opportunities here.
ILT light meters are easy-to-use, high performance instruments perfect for use as photometers (lux & chroma meters), intensity meters (candela), UV test (dose and exposure meters), power meters (watts or lumens), and flash light meters (high-intensity pulsed light, Xenon or LED strobe lamps). Most of ILT's Light Meters, Radiometers and Photometers can be configured with almost any one of our large selection of application-specific light sensors (light detectors), input optics, and light measurement accessories. Our ILT800 belt radiometer is self-contained and has specific spectral response models available.
Browse our line of spectrometers here.
Browse our offering of NIST Traceable light meters with ISO17025 accredited Calibrations. View all products here
View Our Configured UV Radiometers Aiding In The Fight Against COVID-19
ILT has released a line of light measurement systems configured and calibrated specifically to measure sources commonly found in UV disinfection systems. Designed to get you validating your UV disinfection systems right out of the box, these systems include a meter, detector, carrying case and ISO71025 accredited calibration. Available in our on-line store. We are adding more configured systems daily, so check back for new models!
Introducing ILT's Newest Meter!
The ILT710 hand-held illuminance/lux meter takes the headache out of flicker measurement. The ILT710 is a simple-to-use, low-cost meter that offers users accurate, reliable and continuous measurements in real-time. The ILT710 provides users with full flicker analysis including lux, % flicker, flicker frequency, flicker index, stroboscopic visibility measure (SVM), and an intensity over time graph. Perfect for detecting flicker in environments where its effects can be anywhere from a nuisance to a hazard.
The ILT2400 is a portable easy to use light meter loaded with features and applications all accessible on a large full color touch screen display. Simple touch screen operation allows users to view numerical and graphical output of light measurements in lux, fc, W/cm2, W, candela as well and the total integrated dose/exposure in joules, J/cm2, Lux*seconds and more. Sensors are available off the shelf covering the UV range to the IR range. All systems are calibrated in our NIST calibration lab and include ISO17025 accredition.
The ILT2500 CW and Pulsed/Flash portable light measurement system combines all the excellent features of the ILT2400 light meter, the broader measurement range of a research radiometer, pulsed light profiling similar to an oscilloscope, and the spectral measurement capability of a spectrometer.
The ILT5000 is the replacement for the ILT1700 light meter! Its smaller size makes it at home in the lab and in the field. Advancements include rapid optical measurements for graphically profiling the output of intense pulse light sources, a broader measurement range, Datalight III for PC and Mac, an iPhone app, plus built-in wireless, data storage, and rechargeable batteries!
The ILT1000 is a self contained light meter and sensor in a low profile housing. The versatile UV, VIS and IR datalogging optometer is capable of measuring 8 decades of light intensity (ie nW/cm2w- W/cm2) and providing direct readout in many calibrated units of readout including W, W/cm², J/cm2, Lux, lux*s, Fc, Lumens, cd/m², cd, W/sr, W/sr/cm² and more. The 4-20 mA output can be connected to a PLC for process control. An extensive API is provide for custom programming.
The ILT10C Light Meter is ILT’s most economical light measurement system. The ILT10C reads out in either Lux or Foot Candles in the human eye Visible range (400-700 nm) and is designed for use in a wide variety of applications needing a quick, accurate light measurement. Available to purchase in our eStore.
ILT Belt Radiometers
The ILT800 CureRight Radiometer Series replaces ILT's popular ILT400/490 meters with a host of new and improved features and capabilities including a broad, 5.5 decade measurement range, user-programmable settings, faster sampling speeds, the ability store store up to 20 unique device IDs, and the ability to store up to 1,000 profiles. The ILT800 measures both pulsed and steady-state light sources, and features a large, OLED display. The ILT800 is available in multiple filtrations, many of which are available to purchase in our on-line store. Custom filtration and OEM options are also available.
The ILT800 CureRight is a feature-rich profiling UV test system that delivers unmatched flexibility and capability not found in any other system. The ILT800 works on traditional light sources such as flood and Spot cure, UV LED sources, and pulsed light source. The large OLED display provide both a numerical value and a profile (graph) with both irradiance and dose/exposure.
The ILT800-UVF Hand-Held UV LED Light Meter has been designed specifically to measure UV LED sources including individual chips, LED arrays, spot lights, curing lamps, conveyor/belt systems, chambers, fiber optic light guides, curing wands, and more. The UVF model is designed for near flat (uniform) sensitivity for UVA LEDs in the range of 360 - 400 nm, while also covering a broader range from 300 to 450 nm, often required for traditional lamps.. Available to buy in our eStore.
The ILT800-CUV has been designed with UVGI, UV curing, and other LED measurement applications in mind. The device can measure a wide range of UV LED sources including UVA, UVB and UVC LED sources found in spot, conveyor, flood, chamber, and fiber optics. Measures UV sources from 215 - 350 nm. Available to buy in our eStore.
The ILT800-UVA CureRight Radiometer is ILT's meter for measuring UVA for curing applications. Measures a wide array of sources including UVA LEDs, spot lights, flood lights, and belt/conveyor/chamber systems. Measures UVA sources from 315 - 390 nm. Available to buy in our eStore.
The ILT800-BAV CureRight Belt Radiometer is ILT's meter for taking both UV and VIS light measurements. Measures a wide range of UV sources from 275 - 475 nm. Available to buy in our on line store.
The ILT800-UV belt radiometer is the replacement for ILT's popular ILT390, ILT393, and ILT490 Light Bug belt radiometers. The ILT800 offers faster measurement speeds, data storage, and connectivity to PC. Measures light from light from (250 – 400 nm) with the same filter and sensor as ILT's historical products. Available to purchase in our on line store.