These ultra compact switches have been specially designed for reliable operation in clean post-filtered water. FS-3 switches are instrument quality, yet affordably priced for pure water equipment, from UV lamp switching to filter life monitoring. Also suited to some chemical applications and various cooling applications.• 0.2 l\/min - 3.8 l\/min with pre-adjusted set points,• Operating pressure: 10 bar at 20°C,• Inlet\/Outlet ports: 1\/4 Inch NPT, R 1\/4 Inch,• Any mounting position• Electronic Equipment: Laser Heads, Welders, Power Supplies, High-Speed Spindles, X-Ray Tubes, Semiconductor Equipment ,• Bearings or Gears: Presses, Rotating Equipment, Conveyors, Machine Tools, Robotics ,• Processing and Dispensing Equipment: Water Purifications and Filtering, X-Ray Film Processing, Beverage Dispensing, Chemical Additives, Gas Sampling, DistillingMedia Monitored = LiquidDevice Type = PistonMaximum Flow Rate = 0.2 L\/minSupply Voltage = 120 - 240 V ac\/dcPipe Diameter Range = 1\/4 inConnection Type = 1\/4 BSPMaximum Pressure = 10barMaterial = NorylMaximum Media Temperature = +100°CMaximum Operating Temperature = +100°C