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Lumen Dynamics Group Inc. has unveiled the new OmniCure LED light meter that measures power and irradiance from a UV LED light source, directly at the cure site. It is calibrated at 10-nm intervals from 320 up to 700 nm, enabling the user to select the specific wavelength from a UV LED light source to obtain accurate measurements that are NIST-traceable.

LED technology has advanced in both power levels and available wavelengths, and there has been a shift toward LED light sources and away from arc lamps. But measurement and control of these light sources has been a challenge. The new light meter provides a critical measurement and validation tool specifically designed for UV curing assembly processes.

It is ergonomically designed with a slim profile sensor that fits in a fixture or a confined space for adaptability to various assembly manufacturing environments. With its peak hold function, it can easily measure narrow beam patterns over a broad dynamic range.

Engineered with a single sensor to measure peak irradiance and a calibration process for measuring multiple discrete wavelengths, the light meter captures the narrow spectral distribution of a LED source for consistent and accurate measurements. Process engineers can now quantify the emerging LED technology and its evolution within the UV curing industry. The light meter is calibrated according to industry standards traceable to NIST and NRC.