GW Instek GDS-122 User Manual - Manual (Page 43)

Using the Multimeter
85
13B
Measuring Voltage
DC voltage
specifications
(details: page
206H
98)
Range
Accuracy
Max input 400mV, 4V, 400V
±(1% + 1 digit)
400V
AC voltage
specifications
(details: page
207H
98)
Range
Accuracy
Max input
Frequency 4V, 40V, 400V
±(1% + 3 digits)
400V
40Hz to 400Hz
Panel operations 1. Press the V switch to select the
Voltage measurement. If a warning
message appears, press any key to
resume measurement.
V
V
2. The voltage measurement screen appears.
Battery level
Measurement
unit
Scaling factor
F1-F3 menu
Auto/Manual
range
Run/Stop
Delta
measurement
result
Measurement
result
Meter
-83.60mV
DCV/ACV
3. Press the AUTOSET key
repeatedly to select DC or AC
voltage measurement.
AUTOSET
4. Connect the test leads to the
terminals:
COM for the black lead
V/
Ω/C for the red lead
5. The measurement result will be constantly
updated in the display. For more detailed
settings, see the following instructions.
GDS-122 User Manual
86
Auto ranging To let the GDS‐122 select the voltage
range automatically, press F3 (Auto).
The indicator at the top left corner of
the display changes to AUTO.
F3
Auto
AUTO
Manual ranging To select the voltage range manually,
press F1 (Manual). The indicator at the
top left corner of the display changes
to MANUAL.
F1
Manual
MANUAL
Freezing the
measurement
To freeze the measurement, press the
RUN/STOP key. The measurement
result will be retained and the
indicator at the top right corner of the
display changes to STOP. To unfreeze,
press the RUN/STOP key again. RUN/STOP
RUN
STOP
Measuring delta
voltage
To measure the delta value, press F2
(II/
Δ). The measurement result at the
moment moves to the top right corner
of the display, and the measurement
result becomes the difference between
the original result.
2. Measurement
reset to zero
200.0V
1. Press F2 3. Delta value
displayed