TDS Meter Water Quality Tester Testing Pen Purity Filter 0-9990 PPM Water Test Meters Monitor Tool

Battery: 2 x 1.5V Button Cell Battery Dual Range: Measures from 0-999 ppm, with a resolution of 1 ppm. From 1,000 to 9,900 ppm, the resolution is 10 ppm Accuracy :+/- 2% Style:Modern Colour:Gray Material:plastic Size:155*29*19cm Package Contents: 1* TDS 3 Digital Meter 1* User manual Only the above package content, other products are not included. Note: Light 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.