M1S Water Quality Tester Analyzer Portable Meter Pen with LED Display 0‑ 9ppm

water quality detector adopts circular arc design, which makes it more comfortable to hold. Equipped with high‑definition LED display, the values are more readable and sensitive. Anti‑rust and anti‑corrosion probe makes the measurement value more accurate. Item Type: Water Quality Tester Material: ABS Model: M1S Measuring Range: 0- 9ppm (When the measured value exceeds ppm, the displayed value x 10) Accuracy: +Celsius- 2% Battery: 1 x 3V CR2032 Button Battery (Battery Not Included)