Chapter 6
VirtualBench-DMM
Getting Started with VirtualBench
6-2
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The front panel of VirtualBench-DMM has the following features:
•
Measurement Display—Displays measurements.
•
Function Selector—Selects which measurement mode you want to
use. The modes, from left to right, are as follows:
–
Volts AC—Measures the AC component of a voltage signal.
–
Volts DC—Measures the DC component of a voltage signal.
–
Current AC—Measures the AC component of a current source.
–
Current DC—Measures the DC component of a current source.
–
Ohms— Measures resistance.
–
4-Wire Ohms—Measures resistance using four-wire method.
–
Diode—Measures the voltage drop across a diode.
–
Temperature— Measures temperature.
•
Resolution Control—Selects the number of digits of resolution.
•
Range Selector— Determines the measurement range. This range is
different for each measurement mode. AutoRange mode selects the
best range to fit the input signal.
•
Main Control Buttons
–
Run— Starts or stops the DMM acquisition.
–
Single—Acquires a single measurement.
–
Log— Enables logging.
•
Math Control Buttons
–
Null—Selects relative mode. When you click this button, all
subsequent measurements become relative to the measurement
made when you pressed this button.
–
Max/Min—Displays the maximum and minimum values since
you first clicked the button.
–
mX+B—Manipulates normal display readings (X) according to
the calculation mX+B.
–
dB —Displays the decibel value of your signal.
–
dBm— Displays the decibel power level with respect to 1 mW.
–
%— Displays the current value as a percentage of a reference.
Note
Refer to the VirtualBench-DMM Online Reference for more information about the
front panel items.