The multimeter's auto zero (AUTO ZERO) function is available in DC voltage, DC current, and two-wire resistance measurement modes.
The multimeter's automatic zero measurement function is to eliminate the errors caused by internal thermal potential and bias current during the test process. The AUTO ZERO function can be enabled when measuring DC voltage, DC current, and two-wire resistance. It should be noted that this function will automatically start when measuring four-wire resistance or ratio.
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