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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
Description:
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.

Specification:
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

Note:
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.