Features: 1.The tester for seawater handheld refractometer is easy to use and can measure the salinity quickly 2.The salt analyzer tester aluminum construction is lightweight, wear resistant and durable 3.The food salinity measurement features automatic temperature compensation and high accuracy. 4.The handheld salinity refractometer rubber handle is non slip and comfortable to grip 5.Professional atc sea water refractometer widely used in food industry, aquaculture, aquarium, sea water detection, etc Operating procedures: 1. Open the cover and clean the detection prism with a soft cloth 2. Take the test solution, place it on the detection prism, gently close the cover to avoid air bubbles, and make the solution spread over the prism surface and put the instrument into the light plate 3. Align the light source or the bright area, observe the field of view through the eyepiece, and turn the eyepiece to adjust the handwheel 4. Make the blue white boundary of the field of view clear, and the scale value of the boundary is the concentration of the solution Specification: Material: Aluminum, Rubber Measuring Range: 0 100 Salinity Accuracy: 1 Length: 19cm 7.48in Weight: 241g 8.5oz Package list: 1 Refractometer 1 Pipette 1 Screwdriver 1 Wiping Cloth 1 InstructionVersatile Applications: Our salt water tester finds its utility in various applications. It is ideal for aquarium enthusiasts to monitor and maintain the salinity of their marine tanks. Additionally, it serves as a valuable tool for professionals in industries such as aquaculture, hydroponics, food processing, and environmental science. From scientific research to practical applications, our refractometer for sea water caters to a wide range of salinity measurement needs. User Friendly Operation: Our salinity checker is designed with user friendliness in mind. With clear markings and a straightforward measuring process, saltwater tester is easy to use even for beginners. Simply immerse the device into the liquid, read the salinity level indicated on the scale, and obtain accurate measurements. The intuitive operation ensures a hassle free experience for professionals, researchers, and hobbyists alike. Portable and Convenient: Measuring at a length of 19cm (7.48in) and weighing 241g (8.5oz), our salinity reader is designed to be portable and easy to handle. Salinity probes compact size allows for effortless transportation, making it suitable for fieldwork, laboratory experiments, or on the go salinity measurements. Enjoy the convenience of having accurate salinity measurement capabilities wherever you need them. Aluminum and Rubber Construction: Crafted from aluminum and rubber, our sea water salt concentration tester meter is built to last. The sturdy materials not only ensure durability but also make it resistant to corrosion, allowing for long lasting performance even in challenging environments. With proper care and maintenance, our salinity gauge will continue to deliver accurate readings over time. Accurate Salinity Measurement: Our salinity meter offers precise and reliable salinity measurement capabilities. With a measuring range of 0 100 salinity and an accuracy of 1 , you can trust that it will provide accurate readings for various liquids. Whether you need to monitor saltwater in an aquarium, test brine solutions, or analyze industrial fluids, our salt meter ensures accurate and consistent results.