TDS Meter (XXY-TDS3)

TheTDS are the total weight of all solids that are dissolved in a given volume of water,express in milligrams per liter (mg/L).The tdsmeters are used to test water quality and itis the simple and effective way to make surewhether you always drink pure water or not. Specifications: range: 0-9,990ppm accuracy: +/-2% battery: 2*1.5v (button cell) size: 140*23*15mm weight: 32g 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 toconserve batteries.