Feature: 1. LED display panel, red light indicates salt concentration, green light indicates power. 2. Sensitive response, high measurement accuracy, compact and portable, easy to operate. 3. It is suitable for determining the salt concentration in liquid or food, or other salinity monitoring situations. 4. Simple operation, put the probe above the liquid surface for at least 2 seconds, the result will be displayed. 5. Using ABS shell, copper test table, corrosion resistance,can have longer service life. How to Use: 1. Check the cleanliness of the probe, and clean it with detergent if necessary. 2. Put the sample in a container with a certain liquid level. 3. Press the power button to ON. The green power light should be on; if not, the battery is low and the battery needs to be replaced. 4. Place the probe at least 2cm below the liquid surface and keep a distance of at least 1cm from the container wall. When the indicator light is stable, take the highest reading as the measured value. 5. After the measurement is completed, use a neutral detergent to clean the probe. Specification: Item Type: Salinity Meter Product Size: Approx. 21x2.3x1cm / 8.3x0.9x0.4in Material: ABS, Resin, Copper Weight: Looking for specific info?: