SMART SENSOR Professional pH Water Quality Tester High Precision Portable Pen Type pH Meter Acidometer for pH Tester PH818

-10%

Incomplete data

Ph tester ph818 portable pen type professional ph water quality tester ph meter measurement

0

0

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0

1

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0

2

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0

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0

-1%

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1

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1

2

4.0

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Ph818 ph tester professional ph water quality tester portable pen type ph meter acidometer for aquarium acidimeter measure

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0

-4%

Incomplete data

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0

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1

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-1%

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0

-0.3%

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0

-4%

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0

0

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1

1

0%

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0

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8

5.0

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1

0

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0

-18%

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0

-2%

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0

0

-23%

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1

2

-0.5%

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0

-2%

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1

0

-5%

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1

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-2%

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0

0

Incomplete data

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0

-0.9%

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0

-7%

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0

-1%

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1

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-2%

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1

-2%

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1

1

-2%

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0

0

-2%

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1

0

-0.9%

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1

-0.1%

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-1%

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-3%

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1

1

-2%

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0

0

Incomplete data

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0

-3%

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-0.6%

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0

-3%

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2

1

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0

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0

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0

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3

2

-0.4%

Incomplete data

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0

0