The model 271 radiometric sensor incorporates a Germanium detector and can be combined with a wide range of accessories including optical filters, diffusers, integrating spheres and spacers.

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. U68399

Key Features

Includes a Sapphire window with antireflective coating

Detector Information

Germanium   1.0 cm2 active area

Rise Time

11 µ sec

Dynamic Range

5.0 x 10-10 to 6.0 x 10-3 W

Typical Response

6.5 x 10-1 A/W @ 1300 nm

7.5 x 10-1 A/W @ 1550 nm

Calibration Range

800 to 1750 nm in 10 nm steps


2 meter BNC, included

Compatible with the UDT Handheld and Benchtop series Optical Meters and Integrating Spheres.

Specifications are subject to change without notice.