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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 1. The accuracy is ±(1.0%+5) when the resistance is 200Ω.
2. The accuracy is ±(1.0%+5) when the resistance is 2KΩ/20KΩ/200KΩ.
3. The accuracy is ±(1.2%+5) when the resistance is 2MΩ.
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A No, it doesn’t.
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A Yes, it is.
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A Class II.
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A The battery is low, please charge it in time.
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A The laser leveler fails and should be sent back for repair if it was bought 15 days ago.
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A The laser leveler fails and should be sent back for repair if it was bought 15 days ago.