General description This 6-in-1 TDS Meter, TOC Meter, UV275 Meter, Electric Conductivity Meter, and Temperature Meter is designed for high precision water testing. It features a wide test range suitable for various water sources including tap water, well water, purified water from drinking fountains, bottled water, and groundwater. This advanced water testing kit allows users to perform tests typically reserved for laboratory settings, making it an essential tool for ensuring safe drinking water. Technical specifications Measurement range: TDS, TOC, UV275, EC, and Temperature Calibration: Recommended weekly for laboratory use; not required for casual home or outdoor use Measurement error: +/- 1-3 cm Color: White Material: Plastic Usage To use the meter, simply turn it on and immerse it in the water sample. The device provides stable and accurate readings in seconds. It features a one-button operation for ease of use. Calibration should be performed using purified water, not mineral or