Optoelectronics

IR LEDs provide reference source for moisture detection

4th March 2015
Barney Scott
0
Datasheets

Hamamatsu Photonics has released an infrared LED, the L12771 series, aimed at moisture detection applications where specific wavelengths are required as the reference light source. The L12771 series has a peak emission wavelength of 1.3µm with a typical radiant output power of 2.8mW. The IR LEDs use InGaAs, and come in a compact TO-46 package.

There are two options available; the L12771, a standard type LED with wide angle directivity, and the L12771-01, a lens type LED with more focused light output and higher radiant flux than the standard type.

These LEDs also well-priced performance at the long emission wavelengths required for moisture detection, as well as for agricultural applications such as grain separation.

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