The YSI ProQuatro Water Quality Monitoring Kit is a ready-to-deploy field solution for professionals who need dependable, multi-parameter measurements without digital sensor complexity. Built around the ProQuatro handheld, this kit delivers accurate readings for pH, ORP, dissolved oxygen, conductivity, and temperature using proven analog probes and a single-cable design. It’s an ideal choice for routine monitoring, compliance sampling, and long field days where reliability matters most.

Kit Includes:

• Quatro handheld
• 4M cable with conductivity/temperature probe
• pH probe
• ORP probe
• Polarographic dissolved oxygen probe
• Hard carrying case
• Flow cell

Interested in your own configuration or replacement parts?

ProQuatro Meter and Cables

ProQuatro Sensors

ProQuatro Accessories