Technical Notes 2

• Guidance on frequency of calibration
• Lock-in Amplifier Tutorial

Calibration 1

• Calibration of 487 amplifier

Applications 2

• Evolution over Day of Solar UV Irradiance- UVI- Vitamin D Irradiance
• Erythemal radiant exposure and UV Index

Benwin+ Guidance 1

• CIE Diagram- Colour Regions