Portable Salinity Tester Electronic Salt Concentration Meter with LED Indicator Feature: 1. The design of a detachable spoon makes the tester cleaner and hygienic to use. 2. Equipped with LED light, the measurement results are clear and intuitive. 3. The probe is made of copper material, so the measurement result is more accurate. 4. Made of highquality ABS resin, durable and wearresistant, not easy to damage. 5. This salinity meter is light in weight, easy to carry, practical and convenient. Specification: Item Type: Salinity Tester Material: ABS Resin Measuring Temperature: 0-80C (liquid temperature), 10-40C (room temperature) Measurement Accuracy: 0.2% Measuring Range: 0-1.5% Battery: 3 x LR441.5V button battery (battery not included) How to Use: 1. Check whether the salt tester probe is clean. If it is not, please clean it with a neutral detergent. 2. Put the test object into a container, and it must have a certain height. 3. Pre the ON switch of the salt tester and watch the Power indicator light green. If it does not light, it means the battery voltage is too low, and a new battery needs to be replaced. 4. Put the probe of the salt tester into the solution at least 2cm and test it at a distance of at least 1cm from the container wall. After the display is stable, read the last reading of the red light that has been lit, and it is the detected value. 5. After the test, clean the probe part of the salt tester with a neutral detergent. Package List: 1 x Salinity Meter (Battery Not Included) 1 x Spoon 1 x Manual