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: 142*25*15mm
weight: 36g
Features:
This style can also test 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.