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2

1

-1%

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0

0

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2

3

5.0

-3%

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0

0

-7%

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1

0

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0

0

-3%

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0

0

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0

0

-6%

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0

0

Incomplete data

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0

0

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0

0

-7%

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0

6

-8%

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0

0

-1%

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0

2

-3%

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0

0

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0

1

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1

1

5.0

-0.8%

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0

1

-3%

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0

0

-1%

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0

0

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0

0

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0

0

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0

0

-48%

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1

1

-3%

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0

0

-1%

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0

0

-0.5%

Jz80-4 4-in-1 composite co oxygen hydrogen sulfide combustible gas detector

0

0

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1

1

As8700a digital carbon monoxide meter co monitor gas detector

0

0

Gas analyzer automotive combustible gas detector gas leakage location determine leak tester + lcd sound & light alarm li-battery

1

4

5.0

Rz handheld gas leak detector analyzer lcd tester carbon monoxide mete 1000ppm co high precision gas monitor gm8805

0

0

-5%

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0

1

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0

0

-0.1%

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0

0

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0

0