HQ Series Portable Electrochemistry Meters

Hach HQ Series portable meters measure pH, DO, conductivity & more — rugged, field-ready electrochemistry meters for water quality testing.

The Hach HQ Series is a line of portable electrochemistry meters for measuring water quality parameters like pH, dissolved oxygen, conductivity, and ORP. Built for both lab and field use, HQ Series meters offer step-by-step on-screen calibration guidance, USB/Bluetooth data transfer, and compatibility with rugged IntelliCal smart sensors for accurate readings even in challenging samples. Ideal for drinking water, wastewater, food and beverage, industrial, power, and source water applications.