Handheld Water Quality Hardness Purity Digital LCD Meter 0-9990 PPM TDS TDS-3
This item can be used in: water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools and spas, aquariums, hydroponics. Accuracy: +/-1.5%. Item size:142mm x 23mm x 13mm. We'll do our best to solve your problem.