4LED Digital Frequency Tachometer Speed Meter RPM Tester 5-9999R/M DC8-15V C5P3

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1

1

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1

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1

1

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-2%

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2

-5%

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2

7

5.0

-3%

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1

-3%

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-3%

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2

5.0

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-2%

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1

-0.3%

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1

1

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2

-4%

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1

-3%

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2

5.0

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1

2

5.0

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Incomplete data

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0

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0

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1

5.0

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-17%

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4

1

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0

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1

5.0

-3%

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0

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19

5.0

-3%

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1

-1%

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-9%

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1

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-1%

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2

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0

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-0.9%

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1

-9%

2 in 1 led tachometer gauge digital rpm voltmeter for auto motor rotating speed

2

3

5.0