HACH HQD Benchtop Multiparameter Meter by Hachfeld HACH HQD Benchtop Multiparameter Meter by Hachfeld Description Description HACH HQD Benchtop Multiparameter Meter by Hachfeld Related products Chemistries and Reagents HACH Sension Laboratory Meter by Hachfeld HACH HQ Series Portable Meters by Hachfeld Sension Meters