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The multimeter was used in conjunction with two selector switches to obtain temperatures at different locations on the brass plates of the experimental slot.
A second multimeter in series with the discharge gap was used to indicate the current.
Some instruments combine the functions of a digital multimeter with the oscilloscope.
Modern digital multimeters may have an embedded computer, which provides a wealth of convenience features.
A digital multimeter samples the quantity being measured at a particular time and displays it.
A typical multimeter would include basic features such as the ability to measure voltage, current, and resistance.
For example, a four-digit multimeter would automatically select an appropriate range to display 1.234 instead of 0.012, or overloading.
These are now so ubiquitous that they have largely replaced non-amplified multimeters except in the least expensive price ranges.
Relative accuracy is the error of the measurement compared to the device used to calibrate the multimeter.
Its products included amplifiers, radios, multimeters and other items generally sold in kit form to hi-fi enthusiasts and other electronics hobbyists.
In a digital multimeter the signal under test is converted to a voltage and an amplifier with electronically controlled gain preconditions the signal.
Standard analog multimeters measure with typically 3% accuracy, though instruments of higher accuracy are made.
A digital multimeter displays the quantity measured as a number, which eliminates parallax errors.
The sensitivity of an analog multimeter is given in units of ohms per volt.
Both have options for calibrating the output with a multimeter, for increased accuracy.
