A Millivolt Meter is an instrument that measures electrical potential or voltage, particularly in the millivolt range. It is used in various industries, such as electronics, telecommunications, and scientific research. The meter typically comprises a display unit, probes, and an input stage, including amplifiers and filters to provide accurate measurements of the voltage. Designing a good Millivolt Meter requires careful attention to the following criteria: 1. Accuracy: A good meter must provide precise and reliable measurements of the voltage without introducing significant errors or fluctuations caused by noise, drift, or other factors. 2. Sensitivity: The meter should be sensitive enough to detect even low-level voltages typically found in sensitive electronic circuits, without overloading or damaging the device under test. 3. Range: The meter should cover a broad range of voltages, such as from 10 millivolts to 100 volts, with selectable scales or automatic ranging capabilities. 4. Resolution: The meter should provide sufficient resolution to distinguish small changes in voltage, such as at least three or four digits in the display. 5. Input impedance: The meter should have a high input impedance, typically above one megaohm, to minimize the loading effect on the circuit being measured and prevent unwanted electric currents from flowing through it. 6. Display: The meter should have a clear and easy-to-read display, such as a digital or analog meter, with appropriate units or symbols. 7. Calibration: The meter should be calibrated regularly to maintain its accuracy and traceability to international standards. Overall, a well-designed Millivolt Meter should provide accurate, sensitive, and reliable measurements of the voltage, with a broad range, high resolution, and easy-to-use display.
Millivolt Meter, Accuracy, Sensitivity, Range, Resolution, Input Impedance, Display, Calibration
CITATION : "Christopher Jones. 'Design Of Millivolt Meters.' Design+Encyclopedia. https://design-encyclopedia.com/?E=283137 (Accessed on July 16, 2025)"
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