Product - ORP HQd Meters and IntelliCAL™ Probes

HQd Configurator

Hach now has the option of creating your own HQd system to suit your specific testing needs. Choose from options including benchtop or portable, power supply, testing parameter and more!

Build your own HQd System

Oxidation Reduction Potential

Only Hach offers a digital rugged ORP probe with a flat disk design to make sensor cleaning a breeze and to ensure optimal performance. Use IntelliCAL™ ORP for general treatment, process control, nitrification/denitrification process (with the LDO probe), and disinfection control.

See below for individual meters and probes or see our Kits which include everything you need to start testing!

HQ440d Benchtop Dual Input, Multi-Parameter Meter - pH, Conductivity, Optical Dissolved Oxygen, ORP, and ISE

Laboratory

HQ440d Benchtop
- - Dual Input
- - Multi-Parameter - pH, Conductivity, Dissolved Oxygen, ORP, and ISE
HQ430d Benchtop
- - Single Input
- - Multi-Parameter - pH, Conductivity, Dissolved Oxygen, ORP, and ISE

Portable

HQ40d Portable
- - Dual Input
- - Multi-Parameter - pH, Conductivity, Dissolved Oxygen, ORP, and ISE
HQ30d Portable
- - Single Input
- - Multi-Parameter - pH, Conductivity, Dissolved Oxygen, ORP, and ISE

Intellical MTC101 Field Low Maintenance Gel Filled ORP/RedOx Electrode, 5 m Cable

Rugged ORP Probes

Designed for harsh environments. Features a super-tough, stainless steel body and polymer shroud that protects the sensor from impact. Flat disc sensor design is easy to clean. Reinforced, steel-sheathed cables are durable, yet manageable. Waterproof for 24 hours at a depth of 30 meters.