Tester qualità acqua WiFi digitale PH EC TDS SALE SG misuratore di temperatura 6 in 1 controllo app

(TDS:0-19990ppm,0-199.0ppt. TDS:1ppm(<1000ppm),10ppm (>1000ppm),0.1ppt. EC, TDS, SALT:±2%F.S. 1)This 6-in-1 WIFI PH/EC/TDS/SALT/S. EC:0-19000us/cm,0-199.0ms/cm. EC:1us/cm (<1000us/cm),10us/cm (>1000us/cm),0.1ms/cm.

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