Rotameters 
Rotameters, also known as variable area flow meters, are ideal for measuring the flow rates of a variety of liquid and gas applications.
- No electrical connections
- Easy to read direct reading scales
- Large selection of flow rates and configurations to accommodate the unique requirements of most application.
- Low maintenance
- 
 Carbon Dioxide Flow Meters - Acrylic, Brass Fittings, No ValveThis Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Carbon Dioxide (CO2) flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 475 LPM (17 SCFM). No Valve.
- 
 Helium Flow Meters - Acrylic, Brass Fittings, No ValveThis Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Helium flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 1500 LPM (55 SCFM). No Valve.
- 
 Argon Flow Meters - Acrylic, Brass Fittings, No ValveThis Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Argon flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 525 LPM (19 SCFM). No Valve.
- 
 Air Flow Meters- Acrylic, Brass Fittings, No ValveThis Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Air flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 550 LPM (20 SCFM). No Valve.
- 
 Nitrogen Flow Meters - Acrylic, Brass Fittings, No ValveThis Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Nitrogen flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 575 LPM (21 SCFM). No Valve.
- 
 Water Flow Meter - Acrylic, Stainless FittingsAvailable for multiple flow rates, this Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Water flow values. Viton Seals, 1/8" FNPT and Stainless Steel End fittings are standard. The float material varies based on the metering range (316 SS, Carboloy, Glass). Available for metering flow rates from 20 mL/min (0.3 GPH) to 1400 mL/min (22 GPH).
- 
 Oxygen Flow Meters - Acrylic, Brass Fittings, No ValveThis Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Oxygen flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 550 LPM (20 SCFM). No Valve.
- 
 Argon Flow Meters - Acrylic, Brass Fittings, Valve IncludedThis Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of Argon flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 525 LPM (19 SCFM).
- 
 Carbon Dioxide Flow Meters - Acrylic, Brass Fittings, Valve IncludedThis Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of Carbon Dioxide (CO2) flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 475LPM (17 SCFM).
- 
 Helium Flow Meters - Acrylic, Brass Fittings, Valve IncludedThis Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of Helium flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 1500 LPM (55 SCFM).
- 
 Oxygen Flow Meters - Acrylic, Brass Fittings, Valve IncludedThis Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of Oxygen flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 550 LPM (20 SCFM).
- 
 Nitrogen Flow Meters - Acrylic, Brass Fittings, Valve IncludedThis Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of Nitrogen flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 575 LPM (21 SCFM).
- 
 Air Flow Meters - Acrylic, Brass Fittings, Valve IncludedThis Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of Air flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 550 LPM (20 SCFM).
- 
 Argon Flow Meter - Acrylic, Polypropylene Fittings, No ValveThis Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Argon flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 2500 LPM (90 SCFM). No Valve.
- 
 Nitrogen Flow Meter - Acrylic, Polypropylene Fittings, No ValveThis Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Nitrogen flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 3000 LPM (100 SCFM). No Valve.
- 
 Air Flow Meter - Acrylic, Polypropylene Fittings, Valve IncludedThis Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Air flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 3000 LPM (100 SCFM). Valve Included.
- 
 Nitrogen Flow Meter - Acrylic, Polypropylene Fittings, Valve IncludedThis Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Nitrogen flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 3000 LPM (100 SCFM). Valve Included.
- 
 Air Flow Meter - Acrylic, Polypropylene Fittings, No ValveThis Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Air flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 3000 LPM (100 SCFM). No Valve.
 
 
 
 

 
 

 
 Acrylic Flow Meters
Acrylic Flow Meters