A4 In 1 Function PH TDS EC TEMP Digital Water Quality Tester Monitor Meter Test
4 in 1 function, can be used to test pH, TDS, EC and TEMP of water. 4 in 1 function, can be used to test pH, TDS, EC and TEMP of water. TDS: 1 to 19999ppm. EC: 1 to 19999us/cm. EC: 1us/cm. pH: 0.00 to 14.00pH.