Pocket Pen Type Digital Salinity Salt Meter Accuracy 0 to 9999 mg/L ATC Swimming Pool Aquarium Waterproof Salinometer Test

-3%

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1

Kedida pen type salt meter high accuracy 0-9999mg/l waterproof water swimming pool spa aquaculture salinity meter ct-3081

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0

-0.6%

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-0.4%

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0

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1

-0.8%

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0

-0.5%

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-6%

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0

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1

0

-0.5%

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1

1

1.0

-15%

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1

2

5.0

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0

-0.4%

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0

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0

-2%

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0

-61%

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2

8

5.0

-0.3%

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-13%

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1

1

-0.8%

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-13%

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2

1

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6

5.0

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1

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-7%

Incomplete data

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-0.7%

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0

-13%

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1

1

-0.6%

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1

5.0

-6%

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1

1

-1%

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-1%

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0

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0

1

-5%

Top portable pen pocket digital water ph meter tester quality measure range 0.0-14.0ph for aquarium pool water laboratory soil

10

1

-13%

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2

3

4.5

-0.1%

Digital ph meter + digital tds meter ph tester water quality purity tester for aquarium swimming pools laboratory 0-9999 ppm

0

0

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-0.1%

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1

0

-0.7%

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1

-2%

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1

Incomplete data

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0

0

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0

-0.3%

Ec-316 direct soil ec tester 0-4.00 ms/cm digital lcd aquarium swimming pool hydroponic laboratory food conductivity meter atc

1

0

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7

1

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1

-0.6%

Pocket pen type digital orp meter -1999mv~1999mv lcd oxidation redox potential tester aquarium pool water orp value measurement

1

2

5.0