Multiparameter: Plug-and-Play any Two IntelliCAL Probes! Designed for your water applications, the Hach HQ440d laboratory meter is an advanced meter that takes the guesswork out of measurements. HQd™ meters connect with IntelliCAL™ probes that automatically recognize the testing…

Designed for your water applications, the Hach HQ430d laboratory meter 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…

Includes hard-sided carrying case, protective glove, and 5 120ml sample cups. Carry your HQD system anywhere. Custom inserts organize and securely position your meter and probes.