Outlined below is a zip code list for Portland. Select a zip code you are interested in to find zip code data on demographics, family, housing, education, transportation, and real estate. See the Portland Zip Code Map.
For other uses, see Volt (disambiguation). The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
RE: VIBRATION SENSOR ELECTRICL SYMBOL. Based upon ISA 5.1, for P&ID's use V as the first letter of the tag number for vibration. Subsequent modifier letters may include X and Y for the plane of the probe. The letter E for element could apply for a vibration probe such as VE. The proximeter could be tagged VY for relay.