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HOME    |    ABOUT    |    MARKETS    |    PRODUCTS    |    SUPPORT    |    CONTACT US (C) Copyright CopecoProducts 2011 Power Quality Analysis - FAQs 2. Is it possible to upgrade from one model to another? Unlike Elspec Equalizer and Activar with the different measurement levels, there are hardware differences between the models.  Because of that, it is not possible to upgrade from one model to another.  HOME    |    ABOUT    |    MARKETS    |    PRODUCTS    |    SUPPORT    |    CONTACT US