Rigol DM3068 Betriebsanweisung PDF herunterladen (Seite 85)

Chapter 2 Front Panel Operations RIGOL

User’s Guide for DM3068

2-43

Auto Zero

Auto zero (Auto Zero) applies to DCV, DCI, 2WR and 4WR measurements.

Press  AZ to enter the following interface.

 ON: the multimeter internally disconnects the input signal and measured

circuit after each measurement, and takes a zero reading. It then subtracts

the zero reading from the preceding reading (displaying the difference

between the measurement value and zero value during the measurement), in

order to reduce the impact of offset voltage from input circuit on

measurement result.

 Once: the multimeter takes a zero reading and then disables the auto zero.

The multimeter will subtract this zero reading from the following

measurement value.

 OFF: disable the auto zero function. Whatever, the multimeter automatically

takes a zero reading once the function, range or integration time is changed.

The multimeter will subtract this zero reading from the following

measurement value.

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Rigol DM3068 Betriebsanweisung Seite 85