AERA-AdvancedEnergy FC-261August 24, 2012|AERA-AdvancedEnergy, Mass Flow Controllers Home » Mass Flow Controllers » AERA-AdvancedEnergy » AERA-AdvancedEnergy FC-261 Coastal Instruments services many of AERA-AdvancedEnergy mass flow controller models. The AERA-AdvancedEnergy FC-261 is one of the products we service.