The Greisinger G7500 Multi tester, manufactured by Greisinger, is designed for comprehensive water quality analysis, measuring parameters such as pH, ORP, temperature, oxygen saturation, oxygen concentration, and conductivity. This versatile device is ideal for environmental testing, freshwater quality analysis, and waste water testing. It is commonly used in applications like fish breeding, fish tank maintenance, swimming pool and pond water testing. https://elecena.pl/product/28790450/greisinger-474132-g7500-multi-tester-ph-orp-temp-o2-conductivity-analysis 2025-05-23 https://elecena.pl/product/28790450/greisinger-474132-g7500-multi-tester-ph-orp-temp-o2-conductivity-analysis 2026-07-11