API Publishes 4th Edition of Standard for Classification of Locations

api 500 API RP 500 defines two types of divisions: Division 1: An area in which nitable concentrations of flammable gases, vapors, or liquids. 500 series micinstrument preamp based on the 512c with added variable output level control and 3:1 output transformer tap selection.

api 5000 slot, HTTP status200payload500.