API vs NFPA Hazardous Area Classification

api 500 500 series micinstrument preamp based on the 512c with added variable output level control and 3:1 output transformer tap selection.. Api RP 500. This document provides recommendations for classifying locations for electrical installations at petroleum facilities classified as Class I

api88 yes, The API 500 Series EQ Plug-In Collection gives you the punch, low-frequency transparency, and ultra.