The model 268Blue is a low-profile sensor designed for applications with limited mechanical clearance. The unit is optimized for measurement in the blue portion of the spectrum, centered at 450 nm via an integrated filter, and provides Irradiance measurements in W/cm2 or mW/cm2.

Our wide range of optical power meters, photometric and radiometric sensors is complemented by ISO/IEC 17025 accreditation by NVLAP (NVLAP lab code 200823-0), resulting in unmatched performance and custom configuration as required.

Key Specifications                                           Part No. U23-01-211

Key Features

Irradiance measurement in W/cm2

Detector Information

Silicon   1.0 cm2 active area

Rise Time

3 µ sec

Aperture Diameter

18 mm

Dynamic Range

5.0 x 10-10 to 5.0 x 10-2 W/cm2

Typical Response

3.1 x 10-2  A/W/cm2 @ 450 nm

Calibration Range

400 to 500 nm


1.5 meter, included

Compatible with the UDT Handheld and Benchtop series Optical Meters.

Specifications are subject to change without notice.