DR1900 VIS (PORTABLE) DR1900 VIS (PORTABLE) Description Description DR1900 VIS (PORTABLE) Related products HACH DR6000 UV Vis Spectrophotometer by Hachfeld HACH 2100Q Portable Turbidimeter HACH HQ Series Portable Meters by Hachfeld DR900 Multiparameter Portable Colorimeter by Hachfeld