Specifications: 

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

Package Included: 
1 x Water Quality Tester (without battery)

Note: 
1. Please allow 0~1inch error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.