Characteristic:
You can test the purity of the water quality at any time. Waterproof design, lower processor power. Accurately tests the purity of water quality at home. Easy to use, with one click, you can know the quality of the water, convenient to use at home Lock function: manual lock for convenient reading and writing Auto power off function: Auto power off after 5 minutes without any  
 
Note:
Measurement range: 0-9999ppm (display 3 numbers, display higher than 999PPM * 10)
Temperature range: 0-80 ° C
Package content: 1 x TDS meter  
Productparameter: Accuracy:±2%-3% Range:1~9990ppm Voltage:3V Batterymodel:2XLR44 (not include)
Accuracy:1ppm
Weight:34g
Size:25*14*137mm