... Coercive Force Meter1.Model Number: CFM-001 2. Relay core, iron yoke, armature and other magnetic materials, such as electric meter ... films, which are mainly made of pure iron materials, low carbon steel, iron-nickel alloy.3.Hc value is an important parameter of ... are producing the relays, energy meters, and other electrical pure iron, low carbon steel measuring the coercive force of open circuit ...