7-in-1 water quality tester with LCD backlight & rust-proof platinum electrode for testing pH, ORP, EC, TDS, GH, S.G, and salinity in home drinking water.

This 7-in-1 Water Quality Tester Pen features accurate testing for PH, ORP, EC, TDS, GH, S.G, and salinity. It includes a LCD backlight, rust-proof platinum electrode, and is portable and battery-powered for testing home drinking water health.

Battery: 3*1.5V button cell(Does not include battery)Product features: 1. Lightweight and portable. 2. Accurate water measurement, care for the whole family's drinking water health. 3. Multi-functional For Switch at will 4. LCD backlight screen, clear reading is easier5. Built-in high sensitive electrode head, using high sensitive glass electrodeProduct parameters: Product name: 7-in-1 water quality testing pen Measurement range: PH/ORP/EC/TEMP/SALT/S.G/TDS Battery: 3*1.5V button cell(Does not include battery)Product measurement range: 1, PH v 0-14 2, TDS v 0-200000ppm 3, EC v 0-200000㎲/cm 4, Salinity 0-20% salinity 5, ORP Negative Potential ±1999MV 6, H2 Hydrogen-rich 0-2400PPb 7, S.G seawater specific gravity 1.000-1.222 8, Temperature 0-60°CPackage list: 7-in-1 water quality pen*1(Battery: 3*1.5V button cell(Does not include battery)) Calibration powder*4