AREA FLOW METER
ORIFICE FLOW METER
SIGHT GLASS & INDICATOR &       SWITCH (FLAPPER TYPE)
TURBINE FLOW METER
MAGNETIC FLOW METER
ULTRASONIC FLOW METER
VORTEX FLOW METER
MFC & THERMAL MASS
      FLOW METER
MICRO FLOW SENSOR &
     INDICATOR
POSITIVE DISPLACEMENT
     FLOW METER