With the blue handheld digital TDS meter you could test the quality of various water ensuring you are enjoying the best quality water. The unit could provide 1000 hours of continuous usage is ideal for using in the following situations: drinking water water filters hydroponics aquariums food&coffee pools&spas.
Dimensions : 14.2 x 2.5 x 1.5 cm
TDS range: 0-9990ppm /mg / L
Auto shut-off :10minutes
Auto temperature compensation
Battery: 2×LR44 cell battery