Talk:qualimeter

What does it mean? How can X-rays have a "hardness"? Equinox ◑ 00:43, 6 May 2015 (UTC)

I'm pretty sure it refers to how far they can penetrate, which is sometimes referred to as "x-ray quality" and measured in HVL. —Μετάknowledge^{discuss/deeds} 00:58, 6 May 2015 (UTC)