Electrochemistry

Select the Best Online Sensor for pH, ORP, or Conductivity

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Find the Right Fit for Your Lab

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the best lab meter for your needs.

HQD Benchtop Meters

Advanced pH Meter
The Hach HQ440D is a sophisticated lab meter for water quality experts supporting pH, DO, ISE, and more.

IntelliCAL^® Electrodes in the Lab
Benchtop meters pair with IntelliCAL^® electrodes for intuitive measurement experience.

User-Friendly Interface
The device features a user-friendly interface that requires no manuals or training.

Try the HQ Series Simulator

Electrochemical Analysis Technology

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Buffers and Standards

Calibrate Your Meters and Sensors with Ease
Hach standards and buffers streamline the calibration process, allowing you to quickly and efficiently calibrate your meters with probes tailored to specific applications and settings.

Designed as a System
Our meters and probes are meticulously designed and tested alongside our chemistries, providing a best-in-class platform to meet diverse measurement needs.

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Multiparameter Portable Meters

Robust and Intuitive
The HQ Series offers robust IP67 rating and intuitive portable meters for water quality professionals, useful in both field and lab settings.

IntelliCAL^® Electrodes for Portable Measurement
IntelliCAL^® electrodes auto-recognize parameters, calibration history, and settings for quick use.

Simplified Measurement
The HQ Series simplifies and accelerates the measurement process compared to basic field meters.

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Online Sensors

Real-time Water Quality Data
Online sensors from Hach provide reliable real-time data on water quality, enabling proactive management and rapid response to issues.

Monitoring Key Parameters
These sensors monitor key parameters such as pH, dissolved oxygen (DO), and conductivity with high accuracy.

Detection of Contaminants
Hach sensors are also capable of detecting contaminants, ensuring comprehensive water quality monitoring.

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Image of laptop on desk with user taking Hach Instructor led courses

Training Opportunities and eLearning Courses

Find instructor-led training sessions and digital learning courses to help you get a clear understanding of your spectrophotometer equipment and expand your expertise in water quality analysis.

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