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    Last Modified: November 30, 2020

    Table 1. Current Programming and Measurement Accuracy/Resolution
    Range Resolution (noise limited) Noise (0.1 Hz to 10 Hz, peak to peak), Typical Accuracy (23 °C ± 5 °C) ± (% of current + offset) [1] Tempco ± (% of current + offset)/°C, 0 °C to 55 °C
    Tcal ± 5 °C Tcal ± 1 °C
    1 μA 100 fA 4 pA 0.03% + 100 pA 0.022% + 40 pA 0.0006% + 4 pA
    10 μA 1 pA 30 pA 0.03% + 700 pA 0.022% + 300 pA 0.0006% + 22 pA
    100 μA 10 pA 200 pA 0.03% + 6 nA 0.022% + 2 nA 0.0006% + 200 pA
    1 mA 100 pA 2 nA 0.03% + 60 nA 0.022% + 20 nA 0.0006% + 2 nA
    10 mA 1 nA 20 nA 0.03% + 600 nA 0.022% + 200 nA 0.0006% + 20 nA
    100 mA 10 nA 200 nA 0.03% + 6 μA 0.022% + 2 μA 0.0006% + 200 nA
    1 A 100 nA 2 μA 0.03% + 60 μA 0.027% + 20 μA 0.0006% + 2 μA
    3 A 1 μA 20 μA 0.083% + 900 μA 0.083% + 600 μA 0.002% + 20 μA
    10 A, pulsing only, typical
    • 1 Tcal is the internal device temperature recorded by the PXIe-4139 at the completion of the last self-calibration.

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