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TDS Digital Water Quality Tester Portable Test Pen for Swimming Pool Meter

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High Precision Handheld TDS Digital Water Quality Tester Portable Test Pen for Aquarium Swimming Pool Analysis Meter Water Purity Check 0-9990 ppm Measurement
TDS refers to the total dissolved solids in water, which can be measured by an instrument or test paper.
Generally speaking, 0-50 is \"ideal drinking water\" and 50-100 is \"mineral water\".
The higher the TDS reading of tap water, the more likely the water is to have problems.

Material: ABS plastic shell
Size: 137*25*14mm
Power supply: 2*button battery
Test item: TDS value
Measuring TDS range: 0-9990PPM
Resolution: 1PPM
Error: ±2%
Applicable industries: household, hospital, swimming pool, disease control center, water plant laboratory, aquaculture industry

Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.