Product DescriptionDetectorMain unitPanelIndex buttonBattery coverProduct FeaturesPlease refer to the diagram showing the section describing the functional analyzer.Survey: Measurement of salt concentration7 red LED, used to indicate the salt concentration:0.3% - 0.6% (moderate); 0.8% - 1.0% (more);1.3% - 2.0% (very much). A green LED lights up as a power indicator. On button: Press the button to power, then it is ready to measure.Instructions for useCheck the cleanliness of the detector.Put the sample into the container with a certain liquid level.Click on the power button. The green energy light should be on. If not, it is low battery power and battery replacement is needed.Place the detector at least 2 cm above the liquid surface and keep a distance of at least 1-cm from the container wall. When the indicator light is stable, get the highest reading as the measured value.When the measurement is completed, clean the detector with neutral detergent.SpecificationPower supply: 4 x 1.5 = 6 V LAmbient temperature 0-80 ()Products from Bazhou's store Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.