FREE Hach Laboratory Electrochemistry Guide
Find out more about Hach’s electrochemistry family with this comprehensive 28-page printed selection guide.
Smart Probes
Hach, the leader in water quality, has developed a customized electrochemistry solution for water quality testing that takes the guesswork out of your measurements. Designed for your water applications, the Hach HQd IntelliCAL™ smart probes automatically recognize the testing parameter, calibration history, and method settings to minimize errors and setup time.
Smart people designing smart products so you make smart decisions.
Hach gives portable measurement flexibility and ease of operation with its HQd meter and full suite of interchangeable IntelliCAL™ lab and field probes.
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pH including
NEW! pH ultra for rapid measurement of all

samples, including difficult low-ionic strength waters
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ORP (Oxidation Reduction Potential)
NEW!
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Sodium Ion Selective Electrode (ISE)
NEW!
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DO with patented Hach LDO® (Luminescent Dissolved

Oxygen) technology
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BOD measurement utilizing patented Hach LDO technology
Watch the Introduction to HQd Video
Parameter-Specific HQd Meters and Probes