Versatile Quality Detector:This 7-in-1 water quality detector pen is a versatile tool,, electric conductivity, salt concentration, SG, and ORP. High Accuracy:With an accuracy of 0.05PH, this instrument ensures precise and reliable measurements, helping you to accurately assess the quality of your water. Wide Range:The range of measurement extends from 0.01-100PH, making it suitable for a wide variety of water samples, from pristine spring water to highly salty industrial effluents. Industrial applicability: This tool is suitable for aquaculture, disease control centers, and water treatment plants, providing crucial services in maintaining water quality standards. Energy Efficient:Powered by 3x5LR44 alkaline batteries, this device operates efficiently, ensuring continuous use without wasting energy.