Condition: 100% Brand New
Shell Material: Plastic
- Main Color: Blue
- Range: 0~9990ppm
- Accuracy: +/-2%
- Battery: 2 x 1.5V LR44 Button Cell Batteries
Please refer below standard for testing water
0~50ppm --------- High Purity Water
50~100ppm --------- Pure Water
100~300ppm --------- General Pure Water
300~600ppm --------- The water will have incrustation scale
600~1000ppm --------- Bad Taste Water
Above 1000ppm --------- The water is not suitable for drinking