This is a digital TDS meter tester to test the filter water quality purity, to check the performance of your water filter, to check for hardness (1grain=17ppm), to make sure you always drink pure water.
Features:
Saves measurements for convenient reading and recording
Auto-off function: turns off meter after 5 minutes of non-use to conserve batteries
Automatic temperature compensation
Shift between TDS and Conductivity
Can be used in : Water purifiers and filters, food(vegetable , fruit)&drink quality monitoring, pools and spas, aquarium, hydroponics
Measurement range: TDS: 0-9990 ppm; Dearees Celsius: 0.1-80.0 Celsius, 32.0-176.0  Fahrenheit
Accuracy: +/-2%
Item Size: 155mm*30mm*15mm
Color: White 

ITEM INCLUDE :

1. EC Tester + TDS

2. Casing