?ACCURATE AND RELIABLE - The advanced 4-in-1 smart pen combines TDS(Total Dissolved Solids), EC(Electrical Conductivity), and a temperature meter. To achieve high accuracy, equipped with premium quality titanium alloy probe, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures.
?EASY AND INSTANTLY - Just stick it in about 1 inch of water, then stabilized readings will be auto-locked on LCD in seconds, TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording.
? EXCELLENT VALUE - Our TDS meter provides a cost-effective way to test drinking water purity to ensure it's healthy, monitor if Reverse Osmosis (RO)/DI System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), pool and spa, etc.
? LCD BACKLIGHT DESIGN - Unlike traditional screen, the meter uses low-power backlight technology to easily test water at night and in dark places. In addition, it can also be used to distinguish between drinking water and non-drinking water. Red backlight (ppm>40) means this is non-drinking water.
?WHAT YOU GET - TDS water tester, user manual, leather case, Preinstalled 1 battery, 2 extra CR2032 batteries. You can test water anywhere to get the purest drinking water. If you have any problems,please contact us without hesitate.