LCD Digital TDS Water Quality Purity Tester

Features:
1. The TDS meter tester can be used in: water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools and spas, , hydroponics etc.
2. Hold function: Saves measurements for convenient reading and recording.
3. Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries.
4. Press "TEMP" button can shift temperature meter between fahrenheit degree and centigrade degree. 
5. Measures Range: 0-9990ppm, with a resolution of 1ppm. From 1,000 to 9,990ppm, the resolution is 10ppm, indicated by drinking x 10image, factory calibrated.
6. Applicable industries: water laboratories, CDC, the aquaculture industry, hospitals, swimming pools, household tap water quality testing.

Specification:
Condition: 100% Brand New
Shell Material: Plastic
Main Color: Orange
Range: 0~9990ppm
Accuracy: +/-2%
Battery: 2 x 1.5V LR44 Button Cell Batteries Included
Size: 15.5 x 3 x 1.6cm / 6.1 x 1.1 x 0.6 inch (appr.)

Please refer below standard for testing water
0~50ppm --------- High Purity Water
50~100ppm --------- Pure Water
100~300ppm --------- General Pure Water
300~600ppm --------- The water will have incrustation scale
600~1000ppm --------- Bad Taste Water
Above 1000ppm --------- The water is not suitable for drinking
Battery: 2 x 1.5V Button Cell Batteries (included)