-
microvolts or less.
Digital voltmeters give a
numerical display of
voltage by use of an analog-to-digital converter.
Voltmeters are made in a wide range...
-
cannot be made
using conventional contacting voltmeters because they
require charge transfer to the
voltmeter, thus
causing loading and
modification of the...
- easy-to-use
power voltmeters.
Solenoid voltmeters are
useless on low-voltage
circuits (for example, 12 volt circuits). The
basic range of the
voltmeter starts at...
- A
vector voltmeter is a two-channel high-frequency
sampling voltmeter that
measures phase as well as
voltage of two
input signals of the same frequency...
-
Instruments for
measuring voltages include the
voltmeter, the potentiometer, and the oscilloscope.
Analog voltmeters, such as moving-coil instruments, work by...
-
submarines to spacecraft.
Later the
company developed miniature digital voltmeters and
frequency counters.
During the
early 1980s the
company started Kaypro...
- more
sensitive than galvanometers.
Vacuum Tube
Voltmeters:
Prior to transistors,
vacuum tube
voltmeters offered similar technology,
notably high input...
- non-linear
scale and no zero
adjustment on both ranges.
Vacuum tube
voltmeters or
valve voltmeters (VTVM, VVM) were used for
voltage measurements in electronic...
- Some
common voltmeters are
calibrated for RMS amplitude, but
respond to the
average value of a
rectified waveform. Many
digital voltmeters and all moving...
- essentially, a
voltmeter but it may also be
marked with
coloured zones for easy visualization. Many
newer cars no
longer offer voltmeters or ammeters; instead...
