12
Operation
(cont’d)
Settings Table
The meter stores the last used function of each selector position in its nonvolatile memory. If this is not
the correct function when you turn the selector, press
SELECT
until the desired icon appears.
The dual display options are shown along with the icons. In the table, “~V
Hz
” indicates that “~” and “V”
appear in the primary display, and “Hz” appears in the secondary display. This combination shows the
AC voltage measurement in the primary display and frequency in the secondary display.
To measure this
characteristic …
Set the selector to
this symbol …
Press SELECT until
these icons appear on
the display …
Connect
the red
lead to …
Connect the
black lead
to …
Variable Speed Drive—
Voltage and Frequency
V
Hz
or Hz
~V
ΩV
COM
Voltage—AC True RMS
(1000 V max)
V
Hz
or Hz
~V
ΩV
COM
*Voltage—DC
(1000 V max)
V or
V
~V
ΩV
COM
Voltage—AC + DC
True RMS (1000 V max)
V
~V
ΩV
COM
Voltage—DC
(500 mV max)
mV or
mV
~mV
ΩV
COM
Voltage—AC + DC
True RMS (500 mV max)
mV
~mV
ΩV
COM
Voltage—AC
True RMS (500 V max)
mV
Hz
or Hz
~mV
ΩV
COM
Frequency—Line Level
Voltage or Current
Set for voltage or
current according
to this table.
Any display option that
includes Hz
—
—
**Frequency—Logic Level
Hz
Hz
ΩV
COM
% Duty Cycle
D%
D%
ΩV
COM
dBm (0 dB = 1 mW in
reference impedance)
dBm
(
function 1000 V
max;
function
500 mV max.)
Reference impedance
and dBm for 1 s, then
dBm
Hz
(press
dBm-Ω
to change reference
impedance)
ΩV
COM
* For precise measurements, press
500000
to toggle between 50,000 counts and 500,000 counts.
Applies to DC volts only.
** Logic level frequency has a fixed sensitivity and is for digital signals. Refer to “Accuracy”.
This table continues on the next page.
Содержание DM-860A
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Страница 39: ...DM 860A 39 Mediciones más comunes Medición de voltaje Medición de corriente ...
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