HACH AT1000 Automatic Titrator by Hachfeld HACH AT1000 Automatic Titrator by Hachfeld Description Description HACH AT1000 Automatic Titrator by Hachfeld Related products DR6000 UV VIS HACH 2100Q Portable Turbidimeter Autotitrators, Hach’s TitraLab AT1000. DRB200 Digital Reactor Block by Hachfeld