RIGOL
Service Guide for DM3000 Series
[3] 20% over range on all ranges, except DCV 1000V, ACV 750V, DCI and ACI 10A range.
[4] Specifications are for 4–wire resistance function, or 2–wire resistance using Math Null. Without
Math Null, add 0.2 Ω additional errors in 2–wire resistance function.
[5] For each additional volt over ± 500 VDC add 0.02 mV of error.
[6] Accuracy specifications are for the voltage measured at the input terminals only. 1mA test
current is typical. Variation in the current source will create some variation in the voltage drop
across a diode junction.
[7] As continuous current higher than 7A DC or AC RMS, 30 seconds needs to be off after connecting
30s.
Settling Considerations:
Setting time of readings is affected by source impedance, cable dielectric characteristics and input
signal changes. Generally, the Settling time of Common readings is about 1.5s when Low source
impedance less than 1kΩ.
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