Features: Triple Function Detection: This salinity meter simultaneously measures salinity, temperature, and specific gravitation, making it ideal for aquaculture, food service, aquariums, and water quality testing with comprehensive data. Multi Unit Conversion: Easily switches between salinity units to meet industry standards or personals preferences, ensuring versatile use across different applications. Clear LCD Display: Features a large, backlit LCD screen for easy reading with soft lighting, providing quick and accurate measurements without eye strain. Foldable Probe Design: The compact folding probe allows for convenient storage and portability while protecting the electrodes from damage, enhancing durability. High Precisions Platinums Sensors: Equipped with a platinums sensors for fast response and accuracy, offering ±2% salinity error and ±0.002 Specific gravitation error for professional result. Specifications: Component: ABS,Metal Salinity: 0-4.2% 0-42%. 0~42Ppt 0~42g/L Specific gravitation: 1.000~1.032 Temperature: 0°C~50°C Size:Approx.55Mm/2.16''X23mm/0.9''X156mm/6.14'' Power supply: 3pcs 1.5V (AG13) Package Includes: 1Piece Salt Content Meter 1Piece User Manual note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.