PTH-4 Air Quality Tester Gas Detector CO2 Meter CO2 Sensor High Sensitive Carbon Dioxide Detector Sensor Tester USB Intelligent

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4

4

4.0

-4%

Co2 monitor carbon dioxide tester multifunctional air quality detector usb temperature humidity meter 80000 data gas analyzer

0

0

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2

7

5.0

-4%

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0

0

-19%

Household gas detector analyzer co2 meter tester with carbon dioxide electric air quality monitor temperature humidity display

1

1

-7%

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1

0

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5

1

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0

0

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1

0

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2

1

-4%

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0

0

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1

1

-4%

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0

0

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1

0

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0

0

-9%

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8

1

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0

0

-14%

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42

0

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0

1

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0

0

-5%

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0

0

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0

0

-11%

Incomplete data

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0

0

-0.4%

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1

0

-2%

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1

1

-3%

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0

0

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1

1

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0

0

-3%

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0

0

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1

0

-2%

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0

0

-3%

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0

0

-4%

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1

0

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1

0

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0

0

-6%

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0

0

-4%

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1

2

5.0

-6%

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1

1

5.0

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1

1

-4%

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0

0

-2%

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2

0

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0

0

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1

1

5.0

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0

0

-8%

Portable co2 meter digital temperature humidity sensor tester air quality monitor carbon dioxide tvoc formaldehyde hcho detector

1

1