Configuration:Measurement Options:Auto Zero Property
Short Name: Auto Zero
Property of niDMM
Specifies the AutoZero mode. This property is not supported for the NI 4050.
| Auto (-1) |
NI-DMM chooses the Auto Zero setting based on the configured function and resolution. |
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| Off (0) |
Disables AutoZero.
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| On (1) |
The DMM internally disconnects the input signal following each measurement and takes a zero reading. It then subtracts the zero reading from the preceding reading. For NI 4065 devices, Auto Zero is always ON. Auto Zero is an integral part of the signal measurement phase and adds no extra time to the overall measurement. |
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| Once (2) |
The DMM internally disconnects the input signal for the first measurement and takes a zero reading. It then subtracts the zero reading from the first reading and the following readings. The NI 4060/4065 does not support this setting. |
Remarks
The following table lists the characteristics of this property.
| Datatype |  |
| Permissions | Read/Write |
| High-level VIs | niDMM Configure Auto Zero |
| Resettable | No |