General description This 2Pcs Digital TDS Tester is a 3-in-1 multifunctional device designed to measure TDS (Total Dissolved Solids), EC (Electrical Conductivity), and temperature. It features a large backlit LCD display for easy reading and is ideal for monitoring drinking water quality, hydroponics, and more. Please note that this device is not suitable for pH testing. Technical specifications Brand: COOCHEER Material: ABS plastic/metal alloy probe Weight: 160g Battery type: 3V button cell (CR2032) TDS measurement range: 0-9990 ppm Conductivity measurement range: 0-9990 µS/cm Temperature measurement range: 0.1°C to 80.0°C Accuracy: ± 2 degrees Celsius Temperature display: Fahrenheit (32-176°F) Usage Suitable for testing water purifiers and filters Ideal for swimming pools and SPAs Perfect for aquariums and hydroponic plants Can be used in the water treatment and drinking water industries Useful for personal travel and fieldwork Installation Before using the device, remove the