3-in-1 Digital LCD TDS EC Meter Pen Water Quality Detector Temperature Tester - White•Quick, Reliable, and Easy to Use: Simply immerse the TDS meter in water, stir, and obtain results within seconds. There's no need for calibration or setup; it's ready to use straight out of the box•Durable Upgraded Accuracy: Equipped with a titanium alloy probe and the latest sensors, you can expect nearly accurate readings every time. Additionally, the digital TDS water quality tester can be easily recalibrated when necessary to enhance accuracy•Digital Water Quality Tester: The clear display allows you to check TDS levels anywhere, whether you're traveling, shopping, or enjoying leisure time. The device features ℃/℉ unit switching for temperature, making it convenient for various users•Sensitive Probe for Instant Purity Readings: Press the power button and place the probe in the water. A lower TDS value indicates fewer dissolved solids, meaning purer water•LCD Screen with Dual Display: The large LCD screen simultaneously shows TDS, electrical conductivity (EC), and temperature readings. It also includes a data hold feature, making it easy to manage in various environments•Versatile Testing Capabilities: Ideal for measuring TDS or EC in aquariums, swimming pools, or any water source. You can assess the effectiveness of RO, DI, or distillation systems and check nutrient levels in hydroponic setupsSpecifications:•Material: ABS plastic•Measurement Parameters: TDS value, EC conductivity, temperature•Measurement Accuracy: ±2%•Applicable Industries: Household, hospitals, swimming pools, CDC, water treatment laboratories, aquaculture•Type: TDS water quality testing pen, multi-parameter water quality analyzer•Voltage: 3V•Battery: CR3032•Measurement Range: 0-9999 ppm and 0-9999 µS/cm•TDS Range: 1-9990 ppm•EC Range: 1-9990 µS/cm•Resolution: 1 ppm and 1 µS/cm•Function: 3-in-1 water test pen, TDS water quality test, EC conductivity test, temperature test; with HD displayPackage included:•1 x TDS EC Meter Pen•1 x English and Chinese User Manual•1 x Storage Box