FS-930 Series Flow Switches have a unique, patented piston design that assures accuracy within 20% over a full range of viscosities - from 40 to 1000 SSU. Ideal for use in applications where liquids of different viscosities are blended or for use in lubrication systems where oil flow monitoring is critical at start-ups. The switch compensates for viscosity changes automatically. Applications include: 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 & Dispensing Equipment (Water Purifications and Filtering, X-Ray Film Processing, Beverage Dispensing, Chemical Additives, Gas Sampling, Distilling).
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Sensor Type
Body Material
Wetted Material
Maximum Operating Pressure
Proof Pressure
Burst Pressure
Flow Setting Range
Set Point Accuracy
Set Point Differential
Switch Type
Process Connection
Electrical Termination
Recommended Filtration
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Product Type
Minimum Operating Temperature [°F]
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