AERA-AdvancedEnergy PA 7820August 24, 2012|AERA-AdvancedEnergy, Mass Flow Controllers Home » Mass Flow Controllers » AERA-AdvancedEnergy » AERA-AdvancedEnergy PA 7820 Coastal Instruments services a wide range of AERA-AdvancedEnergy mass flow controller models. The AERA-AdvancedEnergy PA 7820 included in the list of products we service.