Pressure measurement because atmospheric pressure is always changing and the reference in this case is fixed at 1 bar. To produce an absolute pressure sensor, the manufacturer seals a high vacuum behind the sensing diaphragm. If the process-pressure connection of an absolute-pressure transmitter is open to the air, it will read the actual barometric pressure. The SI unit for pressure is the pascal (Pa), equal to one newton per square metre (N·m or kg·m·s). This special name for the unit was added in 1971; before that, pressure in SI was expressed in units such as N·m. When indicated, the zero reference is
Federal Service for Alcohol Market Regulation November 30, 2009 the Federal Service for Alcohol Market Regulation issued an order No. 17 "On the establishment and administration of the minimum price of vodka for retail sale until January 1, 2010" according to which from 1 January 2010, the minimum price of vodka for retail sale was set at a rate of 89 rubles per 0.5 liter of the finished product (€2.52 per liter circa). Federal Service for Alcohol Market Regulation The Federal Service for Alcohol Market Regulation or Rosalkogolregulirovanie (in Russian: Федеральная служба по регулированию алкогольного рынка, Росалкогольрегулирование) is a federal law enforcement agency of executive authority