Power Source: 5V/1A

HM Digital SAL-1700 salinity meter

Secure screw-in installation prevents accidental disconnection

Store the pH sensor (SP-P5) with the protective cap filled with pH storage solution to maintain electrode hydration

HM Digital COM-360 Professional pH/EC/TDS/Temp Meter – 4-in-1 Water Quality Tester dual EC monitor Power Source: 5V/1AHM Digital COM 360 Professional 4 in 1 pH EC TDS Temp Meter The HM Digital COM 360 is a professional grade, multi parameter water quality meter that measures pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), and Temperature all in one rugged, water resistant handheld device. Trusted by hydroponics growers, aquaculture professionals, lab technicians, pool operators, and water treatment specialists worldwide. Key Benefits 4 in 1