1. This PP three in one water quality detection pen combines TDS (Total Dissolved Solids), EC (Conductivity), and thermometer with ATC (Automatic Temperature Compensation) to achieve high accuracy. 2. Turn on the TDS meter, gently stir the water, and the stable reading will automatically lock on the LCD within a few seconds. 3. It can be placed in a free leather case and taken anywhere for testing at any time. 4. Long lifespan and low power consumption; The automatic shutdown function saves battery usage. 5. It can be used to test the purity of drinking water to ensure health, maintain aquariums, hydroponics (testing nutrients), swimming pools, and spas.
