The proper portion of the confront is utilized to evaluate gas pump pressure or turbo boost and it is calibrated in fractions of 1 kgf/cm2 on its inner scale and kilos per sq. inch on its outer scale. Atmospheric pressure is usually about 100 kPa at sea level, but is http://pressuregauge76319.idblogz.com/13947612/examine-this-report-on-pressure-gauge