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 HQ Series Portable Meters by Hachfeld TU5200 Laboratory Laser Turbidimeter by Hachfeld Autotitrators, Hach’s TitraLab AT1000.