HQ40d Portable Water Quality Lab Package with pH, Optical Dissolved Oxygen, and Conductivity/TDS/Salinity Probes

Designed for your water applications, the Hach HQ40d portable meter with pH probe is an advanced meter that takes the guesswork out of measurements. HQd™ meters connect with IntelliCAL™ probes that automatically recognize the testing parameter, calibration history, and method settings to minimize errors and setup time.

• Portable meter measures critical water quality parameters - without the need for multiple instruments
• Intuitive user interface for simple operation and accurate results
• Trust your measurements - IntelliCAL™ smart probes store all calibrations in the probe
• Designed for demanding conditions
• Convenient kit includes everything you need to start testing