DC Voltage Measurements — WSU

DC Voltage Measurements — WSU - DC Voltage...

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DC Voltage Measurements DC Voltage measurements are the most common measurements used on automobiles. Everything from the headlights to the on-board computers use DC voltage. To measure DC voltage you must place the selector switch in the DC volt position as shown above. The V with the horizontal line above it represents DC voltage. The horizontal line represents a steady voltage; a voltage that does not change polarity. The dashed horizontal line represents a pulsed DC voltage like the digital signal applied to an ignition coil driver. Frequency : If the Hertz (Hz) button is pressed once while measuring DC voltage, the frequency, if any, of the DC voltage cycle will be displayed. The frequency range is from 0.01 Hz to 200 kHz. Duty Cycle: If the Hertz (Hz) button is pressed twice while measuring DC voltage, the percentage of time the voltage is positive during the DC voltage cycle will be displayed. If the sound wave button is pressed once while measuring the percentage of time the voltage
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DC Voltage Measurements — WSU - DC Voltage...

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