Amprobe ACDC-400 Digital-Clamp-On-Multimeter - Manual (Page 9)

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Select the proper Range using the R-h button before enabling the Zero feature.
This function will not autorange.
MAX / MIN button
The MAx Min feature reads and updates the display to store and show the
maximum or minimum value measured after you press the MAx Min button.
pressing the MAx Min button for less than 1 second will put the meter into a mode
of displaying the maximum, minimum, or actual readings. each time the button is
pressed, the meter will cycle to the next display mode as shown in the table below.
press the MAx Min button for more than 2 seconds to disable this feature.
Select the proper Range using the RAnge button before enabling the MAx Min
feature. This function will not autorange.
Button Display -- Value Displayed
MAx value after feature activated
< 1 second Min - Minimum value after feature activated
< 1 second - Actual reading, min max being recorded.
> 2 seconds - exit MAx Min and return to normal measurement.
Analog bargraph
The analog bargraph provides a visual indication of measurement like a traditional
analog meter’s needle.
AC Voltage measurement (See fig. 3)
Select the ‘~V’ position with the rotary selector switch. 1.
insert the test leads into the jack, the red lead into V/ 2. Ω jack, and the black lead
into the CoM jack.
Connect the test leads to the circuit,
3.
The voltage measured will be displayed. 4.
DC Voltage measurement (See fig. 4)
Select the ‘ 1. � V’ position of selector functions.
insert the test leads into the jack, the red lead into V/ 2. Ω jack, and the black lead
into the CoM jack.
Connect the test leads to the circuit,
3.
The voltage measured will be displayed. 4.
AC Current measurement (See fig. 5)
The instrument will not work correctly for non-sinusodial waveforms.
Select ‘ 1. ~A’ position.
position the test conductor is in the center of the clamp jaw. 2.