
Field of View
Due to recent product development, Apogee now offers three different options in choosing a Field-of-View (FOV ) for the SI-100 series infrared radiometers (IRRs). FOV is reported as the half-angle of the apex of the cone formed by the target (cone ba…

Daily Light Integral: Measuring Light for Plants
This graph illustrates the year-round variability of global horizontal irradiance at Apogee Instruments in Logan, Utah.
As the winter solstice fast approaches, so do the shortened days and lengthy nights. In fact, I've already begun to not…

Specifications
Several years ago when our specification sheets did not include the same information they do now, a customer looked at a close-up photo of our pyranometer (with a diameter of 23.50 mm) and concluded that the sensor was the size of a dinner plate! Ini…

Better Know a Distributor - Campbell Scientific
The ‘Better Know a Distributor’ series highlights other companies that distribute and re-sell Apogee products.Apogee Instruments and Campbell Scientific are more than just neighbors on the same street. Campbell Scientific has helped Apogee develop a…

Accelerated Aging
I work hard and take pride in doing good work: to always do my best. As I have come to be part of the Apogee family, I have noticed that my feelings of hard work and pride are commonly shared. I have seen others work on weekends, or late into the e…