The Senseca ECO 521 is a conductivity tester designed for comprehensive water quality analysis. It is ideal for environmental testing, including applications in freshwater, pools, and wastewater analysis. Reliable and precise, it supports essential functions in fish breeding and swimming pool maintenance. https://elecena.pl/product/28710951/senseca-487104-eco-521-conductivity-tester-for-agriculture-water-treatment 2025-05-17 https://elecena.pl/product/28710951/senseca-487104-eco-521-conductivity-tester-for-agriculture-water-treatment 2026-07-03