The shedding frequency was measured with an electronic counter, and an integrating digital voltmeter was used to obtain the pressure transducer voltage.
The d. c. output is read on a high-impedance voltmeter.
This error depends upon the resistance of the voltmeter.
The e. m. f. was recorded by a digital voltmeter reading to 0.5 % or a potentiometer reading to a much higher degree of precision.
A conductivity gauge, double-electrode conductivity probes, a digital voltmeter, and a chart recorder were used for the conductivity measurements.
The voltage output from the wave gauge was fed to the averaging digital voltmeter to obtain the local mean water elevation.
For this industry there must be a steady supply of electricity, because there must not be the most minute variation in the operation of the needle of the voltmeter.
It is also possible to use a voltmeter to test the amount of volts being produced by the battery cell.
