UV-A according to CIE and ISO standrads: 315--400 nm.
UV-A according to common non-standard practice: 320--400 nm.
UV-A1 according to CIE: 315--340 nm.
UV-A2 according to CIE: 340--400 nm.
Usage
UVA(std = "ISO")
UVA1(std = "CIE")
UVA2(std = "CIE")
Arguments
std
a character string "CIE", "ISO" or "none"
Value
a waveband object wavelength defining a wavelength range.