ANYQOO 7 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hydroponic Cooking Tester Measure Water by PH/TDS/EC/ORP/S.G/Water Salinity/Temp MPP 1.51 Protocol you can replace extra tip

you can replace extra tip after the original one wears out

ENVY x2 12-e0xx

HP ENVY x360 15-ar0xxx

rock-solid connection

ANYQOO 7 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hydroponic Cooking Tester Measure Water by PH/TDS/EC/ORP/S.G/Water Salinity/Temp MPP 1.51 Protocol you can replace extra tip[7 in 1 water quality meter] It can measure PH TDS EC ORP S. G Salty Temperature. The measurement range is large and wide. Pocket sized and multi functional, Ideal for household and laboratory pH testing applications, including drinking water, swimming pool, pond, beer brewing, kombucha, aquariums, hydroponics, laboratory, food processing, etc [Twice salinity meters] This product can detect the salinity of freshwater. At the same time, it can detect