The KDM variable area flow meter is ideal for difficult applications requiring high pressure operation or low pressure loss. Its all metal, armored design is available in stainless steel, PTFE clad stainless steel, or Hastelloy C4. In standard configuration, the KDM is a purely mechanical meter. However, electronic limit switches or an analog flow transmitter may be added if so desired. Switches and analog outputs are available which operate in an intrinsically safe mode and may be used with explosive gases in intrinsically safe installations. The indicator translates the linear motion of the float into an indication via a direct magnetic coupling.