AZ-86021 6‑in‑1 Water Quality Meter – DO, pH, EC, TDS, Salinity, Temp

Monitor water quality like a pro with the AZ‑86021 multifunction dissolved oxygen tester. This new‑upgraded model combines six essential parameters in one rugged, portable device – dissolved oxygen, pH, EC, TDS, salinity, and temperature.

Designed for field and lab use, the AZ‑86021 features a large backlit display for clear reading even in bright sunlight or low‑light conditions. The IP67 waterproof housing protects against dust and immersion – perfect for pool, aquarium, aquaculture, and environmental monitoring.

The built‑in memo function allows you to store and recall readings, making data recording effortless. Automatic temperature compensation ensures accurate results across varying conditions. Calibration is simple with one‑touch buttons.

Manufactured to EU standards, this tester delivers reliable performance for professionals who need consistent, repeatable results. Whether you’re testing drinking water, managing a fish farm, or maintaining a swimming pool, the AZ‑86021 gives you confidence in every reading.

Measure more. Know more. Trust your water.