7 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hyd...

[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 the salinity of seawater. Food salinity measuring range: 0.00-25.00% (you never oversalt your food), seawater salinity measuring range: 10.1-200.0 ppt.Multipurpose water contamination test]: Portable TDS and E.C. meters can be carried anywhere to measure water quality such as tap water, R.O. system water, aquarium, seawater, and pool water.[P.H. Meter with Automatic Temperature Compensation]: Temperature can affect reading levels, our water meter's automatic temperature compensation can ensure that you're getting the most accurate reading.[Oxidation-Reduction Potential (ORP) tester] ORP is a common, simple and straightforward measurement that provides a quick indication of how oxidizing or reducing water is. By routinely monitoring ORP levels, it's possible to monitor the effectiveness of a sanitizing agent and adjust your water treatment plan accordingly.[Waterproof rating IP67] IP67 is an international waterproof and dustproof certification. Protection against dust intrusion and short-time immersion.[Tester is ready for use] The new tester that is being shipped is already calibrated at all parameters, including the new battery inside, and prepared for use.