7 in 1 PH/ORP/EC/TEMP/SALT/S.G/TDS LCD Hintergrundbeleuchtung Wasserqualität Tester Messgerät Neu
30,76 €
ORP negative potential ±999MV. Salinity 0-20%. The specific gravity of S.G seawater is 1.000-1.222. 2, TDS value 0-200000ppm. H2 hydrogen rich 0-2400PPb. EC value 0-200000㎲/cm. 3）The water quality tester with high stability and better performance has accurate test results.
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