Pool Filtration -Accurate Digital Salt Meter Highlights Generic Brand Accurate Digital Salt Meter Description: Clear LCD display for quick reading to test liquid salinity and temperature. Salt concentration Measurement range 0.3%~0.6%0.8%~1.0%1.3%~2.0%, resolution 0.1%. Simple design, easy to carry and use. LED indicator display. Conductivity test method for determining salt concentration in liquid foods. Place the probe at least 2 seconds on the surface of the liquid and the result will appear. Red light indicates salt concentration, green light indicates power. Suitable for freshwater aquaculture, freshwater aquariums, marine aquaculture, seawater, brine, soup, liquid food salinity testing. Specification: Power input: 41.5=6V LR444 Working current: MAX 20mA (full LED) Size: 21224.815.4 (mm) Weight: about 36 grams Measuring range: 0.3%~2.0% Applicable temperature range: 60~80 Formula: salt content = total mass concentration Material: plastic Color white Size: approx. 212x24.8x15.4mm/8.35x0.98x0.61in. Package includes: 1 piece salinity meter 1 piece user manaual Note: Press the salt content tester switch to ON to see the power light is green. If it is not bright, it means the battery voltage is too low and a new battery is needed. Insert the probe of the salt content tester into the solution at least 2 cm and test it at least 1 cm from the wall of the container. Read the last reading from the red light once the display is stable, then the test value is. After the test, clean the probe part with a neutral cleaner. Clean the probe part of the machine with clean water or a cloth with neutral detergent Do not clean the main part of the machine with clean water or a cloth with neutral detergent Do not use alcohol , thinner or gasoline to clean the probe and machine body parts.