Tds Water Quality Testing Pen Digital Lcd Pen Tester | Water Quality Monitor Purity Measure Tool (Random Colour))

Material: ABS Plastic Number Of Pieces: 1 Pc Measurement Range: Conductivity: 0-9990 ? s / cm TDS: 0-9999ppm Temperature Range: 0.1-80.0? (32.0-176.0?) Accuracy: ± 2% Size: 154 x 30 x 14 Color: Black Package Includes: 1 x Water Testing Pen Note: There might be an error of 1-3 cm due to manual measurement, and slight color differences may occur as a result of varying lighting and monitor effects.