Portable LCD Digital TDS Water Quality Tester Pen Filter

Battery: 2xLR44 batteries, 1.5V (NOT Included for safety)

Please refer below standard for testing water

0-50 ppm --------- High Purity Water

50-100 ppm ------- Pure Water

100-300 ppm ------ General Pure Water

300-600 ppm ------ Fouling

600-1000 ppm ----- Poor Taste Water,Fouling

Above 1000 ppm --- The water is not suitable for drinking

Key Features

Item Type: TDS Water Meter
Material: Plastic
Measurement Range: 0-9999 ppm
Accuracy: +/-2%
Temperature Range: 0-50 celsius
Battery: 2xLR44 batteries, 1.5V (NOT Included for safety)
Size: 155x31x23 mm
Hold function: Saves measurements for convenient readign and recording
Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries.
Measurement Range: 0-9999 ppm (When the measured value exceeds 999 ppm, please make the display value x10)
Check the performance of your water filter.
Check for nardness (1 grain = 17ppm).
Make sure you always drink pure water!