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    Technical Parameters:
    Display range: 0 ~ ± 2000 (number)
    Measuring range: ≤ ± 500 (number)
    Scale value: I file = 0.01mm / m, II file = 0.001mm / m
    Indication error: ≤ ± (1 + A / 50) (A is the absolute value of the nominal value of the punctuation)
    Stability: ≤ 6 number / 4h, 3 number / h {11 file}
    Display stability time: ≤ 10 seconds; zero range:> ± 400 {number}
    Test conditions: 20 ± 2 ℃ 0.5 ℃

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