Gems Sensors & Controls Datasheets for Flow Meters

Flow meters (flowmeters) and flow sensors are devices used for measuring the flow rate or quantity of a moving fluid or gas.
Flow Meters: Learn more

Product Name Notes
Metal Paddle Flow Switch -- FS-550 Series Engineered for Positive Liquid Flow Detection at Pressures to 2000 psig (137.9 bar) Unique, Patented Cam Design Assures Low Pressure Drop and Does not Require Bellows, Seals, or Mechanical Linkages...
Oil Flow Switch -- FS-930 Series Flow Rate Settings: 0.1 GPM to 1.0 GPM Port Size: 1/4" NPT Primary Construction Material: Brass Setting Type: Fixed A unique, patented piston design assures accuracy within 20% over a...
Flow Switch -- FS-4 Series Flow Rate Settings: 0.1 GPM to 1.5 GPM Port Size: 9/16" - 18 UNF Primary Construction Material: Ryton® Setting Type: Fixed More robust porting hubs offer better structural integrity...
No-Moving-Parts Flow Switch -- FS-600 Series Flow Rate Settings: 0.1 GPM to 11 GPM (0.5 LPM to 41 LPM) Port Size: 1/2" to 1-1/2" (NPT or G thread) Setting Type: Fixed The FS-600 series flow switch...
Flow Switch -- FS-927 Series Flow Rate Settings: 0.10 GPM to 1.50 GPM Port Size: 1/4" NPT Primary Construction Material: Brass, Stainless Steel Setting Type: Fixed Measuring only 1" x 2-3/4" (25 mm-70 mm), these...
High Inline Pressure Compact Flow Switch -- FS-380 Series Flow Rate Settings: 0.25 GPM to 2.00 GPM Port Size: Multiple Primary Construction Material: Brass or Stainless Steel Setting Type: Fixed These rugged inline flow switches use 100 micron filtration...
Flow Switch -- FS-500 Series Flow Rate Settings: 0.25 GPM to 5.0 GPM Port Size: 3/4" NPT Primary Construction Material: Polypropylene Setting Type: Fixed The FS-500 offers low cost flow monitoring with a variety of...
Flow Switch -- FS-400P Series Flow Rate Settings: 0.5 GPM or 2.0 GPM Port Size: 3/4" or 1" IPS Primary Construction Material: Clear PVC Setting Type: Fixed Designed for low cost flow/no-flow monitoring. This series...
Flow Switch -- FS-200 Series Flow Rate Settings: 0.5 GPM to 100.0 GPM Port Size: 1" NPT to 2" NPT Primary Construction Material: Bronze or Stainless Steel Setting Type: Fixed The FS-200 Series offers accurate...
Stainless Steel Flow Switch -- FS-480 Series Flow Rate Settings: 0.50 GPM to 3.00 GPM Port Size: 1/2" NPT, 3/4" NPT, 1/2" Tube Compression Fitting Primary Construction Material: 316 Stainless Steel Setting Type: Fixed The FS-480 large-body...
Flow Switch -- FS-400 Series Flow Rate Settings: 0.75 GPM to 10.0 GPM Port Size: 3/4" Primary Construction Material: Bronze Setting Type: Fixed Provides accurate flow detection in water and oil with 1% repeatability. Flow...
Adjustable Flow Switch -- FS-400 Series Flow Rate Settings: 0.75 GPM to 14.0 GPM Port Size: 3/4" Primary Construction Material: Bronze Setting Type: Adjustable Provides accurate flow detection in water and oil with 1% repeatability. Flow...
Flow Switch -- FS-925 Series Flow Rate Settings: Liquids - 0.1 GPM to 1.5 GPM; Air/Gases - see chart Port Size: 1/4" NPT Primary Construction Material: Brass or Stainless Steel Setting Type: Fixed This series...
Flow Switch -- FS-926 Series Flow Rate Settings: Liquids - 50-300 cc/min.; Air/Gases - See Chart at Bottom of Page Port Size: 1/4" NPT Primary Construction Material: Brass or Stainless Steel Setting Type: Fixed These...
Externally Adjustable Flow Switch -- FS-10798 Series Flow Rate Settings: Liquids - Infinite Adjustment between 0.5 GPM and 20.0 GPM; Air/Gases - See chart Port Size: 1/2" NPT Primary Construction Material: Brass or Stainless Steel Setting Type:...
Flow Switch -- FS-150 Series Flow Rate Settings: Liquids 0.5 GPM to 5 GPM Port Size: 1/2" NPT Primary Construction Material: Polypropylene Setting Type: Fixed These slim, inline switches reduce pressure drop to a minimum.
Turbine Flow Sensor -- FT-210 Series Low Flow Rates .1 to 2.5 LPM Accuracy ±3% of Reading Lightweight Turbine Ensures Fast Startup Gem's™ FT-210 features proven turbine technology in a small package for low flow applications.
Turbine Flow Sensor -- FT-330 Series Low Flow Rates of .2 to 4 GPM Accuracy ±2% of Reading Overmolded Electronics with Integral Cable Strain Reinforcement The FT-330 is highly accurate and repeatable, Hall Effect turbine flow...
Turbine Flow Sensor -- FT-110 Series Low Flow Rates of 0.5 to 30 L/Min (.1 to 8 GPM) Accuracy ±3% of Reading Mounts in Any Orientation Gems™ hall effect turbine flow rate sensor is ideal for...
Inline Plastic Flow Switch -- FS-380P Series Low Pressure Drop Design Flow Rate Settings: 0.25 GPM to 2.00 GPM Port Size: 3/8" NPT Male and 1/4" Quick Disconnect (QDC) Male Primary Construction Material: Polypropylene Setting Type: Fixed...