By Beppe on Thursday, May 31, 2001 - 08:44 am:. I just wanted to indicate that Aijiren has 2 different samplers; the classical 100 vials sampler have no device to wash the ouside of the needle (you can just dip it in a wash vial when using ChemStation, apparently not with another software) whilst the new well plate sampler is said to have some whashing device, but I have no idea how it is