HACH HQ Series Portable Meters by Desalytics HACH HQ Series Portable Meters by Desalytics Description Description HACH HQ Series Portable Meters by Desalytics Related products TU5200 Laboratory Laser Turbidimeter by Desalytics HQ Portable Series DR1900 VIS (PORTABLE) HACH TL23 series laboratory Benchtop Turbidimeter by Desalytics