7 in 1 PH TDS EC ORP salinità misuratore di temperatura S.G Digital PH Tester C-600 Tester di qualità dell'acqua per acquari di acqua potabile phmetro - AliExpress
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7-in-1 pH Meter: The pH meter is designed with a 7-in-1 function, which can measure pH (acidity and alkalinity), EC (conductivity), TDS (total
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7 in 1 Temp ORP EC TDS Salinity S.G PH Meter - C600 - Mikroelectron MikroElectron is an online electronics store in Amman