Digital pH and TDS Meter Combo, High Accuracy pH Tester Readout Accuracy TDS Tester, Water Quality Tester for Household Drinking

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0

-0.1%

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0

0

-4%

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1

1

5.0

-3%

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0

-2%

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1

2

5.0

-3%

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6

13

4.8

-3%

Incomplete data

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0

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1

1

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1

1

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0

-0.9%

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4

14

5.0

-19%

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0

-3%

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-5%

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-6%

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-6%

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0

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-2%

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5

7

5.0

-4%

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0

1

-7%

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0

0

-1%

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0

-0.1%

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0

-5%

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1

0

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1

-10%

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1

0

-0.7%

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0

-4%

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0

0

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0

0

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1

1

-6%

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1

1

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1

3

5.0

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0

-6%

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2

2

-4%

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-1%

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1

1

-1%

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1

-0.8%

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2

3

5.0

-0.3%

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0

-25%

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1

1

-5%

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1

-1%

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0

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4

1

-3%

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5

1

-4%

Incomplete data

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1

0

-34%

5 in 1 tds/ec/ph/salinity/temperature meter digital water quality monitor tester for pools, drinking water, aquariums

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0

-30%

5 in 1 tds/ec/ph/salinity/temperature meter digital water quality monitor tester for pools, drinking water, aquariums

2

1