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A There is no comparison between the result measured by the DL4179 laser range finder and that measured by the steel tape measure. The flexible rule also has measurement errors. There are also differences between different surfaces being measured.
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A More than 1mm.
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A T-shaped utility knife blade.
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A 85db-95db.
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A The current in some vehicles cannot make the cigarette lighter work.
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A Check to confirm whether the air nozzle and tire valve are tightened in place.
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A There is an error between meters. An error less than 3PSI is reasonable.
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A Yes, it can be connected externally to 12V normally.
