The TDS are the total weight of all solids that are dissolved in a given volume of water,express in milligrams per liter (mg/L).The tds meters are used to test water quality and it is the simple and effective way to make sure whether you always drink pure water or not.
Specifications:
range: 0-9,990ppm
accuracy: +/-2%
battery: 2*1.5v (button cell)
size: 156*30*20mm
weight: 50 g
Features:
This type can test the temperature of water.
Hold function:Save measurements for convenient reading and recording.
Auto-off function:Turns off meter after 10 minutes of non-use to conserve batteries.
pen type TDS tester(XXY-TDS2)