FAQ

• 3/4/5 Port Solenoid Valves
• Fieldbus System/
  Serial Transmission System
• Air Cylinders
• Auto Switches
• Rotary Actuators
• Vacuum Equipment
• Air Dryers
• Regulators
• Modular F.R.L.
• Boosters
• Auto Drain
• Fittings
• Pressure Switches
• Flow Switches
• Process Valves
• Chemical Liquid Valves
  (Fluoropolymer Equipment)
• Temperature Control Equipment
• Electric Actuators

|Flow Switches

The letters [HHH] are indicated on the PF□ series product. (In the case of PF2□, [---] is indicated.)

This is an [Instantaneous flow error] display, so reduce the flow rate. When you return the flow to within the rated flow range, the display changes over from the error display to the flow display. If the error display persists when you return the flow to the inside of the rated range, it is conceivable that water or foreign matter is adhering to the sensor, or the sensor or the board is damaged.