Description/Features: Accurate Water Quality Testing: Equip your laboratory or maintain your pool with our HM Digital TDS Tester. This advanced water quality meter measures TDS levels from 0 to 9990PPM with high precision, ensuring safe and healthy water. Easy-to-Read LCD Display: Monitor your water's total dissolved solids (TDS) at a glance. The large LCD display provides clear and immediate readings, making it ideal for both professionals and home use. Versatile Applications: Designed for a wide range of uses, from pool management to laboratory testing, this TDS meter is an essential tool for accurate water quality monitoring. Specifications: Measuring range: 0-9990S, above 999S auto*10 Resolution: 1uS(0-999);10uS(1000-9990, indicated by flashing 'x10' image) Accuracy: +2% Tee connector: 1pc Battery type: 2*1.5V (button cell) Cable length: 640mm (including probe) Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:As shown Material:ABS Package Contents: 1 x water quality tester kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.