Masterflex® Correlated and Direct-Reading Variable Area Flowtubes for Gases

Create your own flowmeter systems for complete flexibility
  • Correlated flowmeters feature a generic scale—reference flow curves calibrated to a variety of media, temperatures and pressures to get the flow rate
  • Direct-reading flowmeters feature a calibrated scale for a specific medium—no need to convert readings to get flow rate
  • Use with air or water for laboratory and industrial applications
  • Required system components for flowmeter systems would be frame, flowtube(s), valve cartridge, and tripod—order each component separately
  • Minimum flow rate is approximately 10% of max flow rate
Design a flow system to meet your metering, mixing, or monitoring applications. We offer a variety of frames and flowtubes so that you can create the system to meet your exact needs.

Choose 65- or 150-mm flowtubes depending on the selected frame size. Flowtubes are calibrated for direct-reading or correlated reading of air or water at STP (standard temperature and pressure).
$51.25 - $93.30USD / Each

48 variations of this product are available.

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48 PRODUCT OPTIONS
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Max Flow Rate (mL/min) Media Type Description
Availability Pricing
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4719.5 Argon Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 10 scfh Argon
$51.25USD / Each
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23597.4 Argon Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 50 scfh Argon
$62.25USD / Each
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55 Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 55 mL/min Carbon Dioxide
$51.25USD / Each
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220 Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 220 mL/min Carbon Dioxide
$51.25USD / Each
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120 Helium Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 120 mL/min Helium
$51.25USD / Each
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12000 Nitrogen Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 12 L/min Nitrogen
$51.25USD / Each
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6 Nitrogen Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 6 mL/min Nitrogen
$51.25USD / Each
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50 Nitrogen Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 50 mL/min Nitrogen
$51.25USD / Each
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60 Nitrogen Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 60 mL/min Nitrogen
$51.25USD / Each
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120 Nitrogen Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 120 mL/min Nitrogen
$51.25USD / Each
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1000 Oxygen Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 1 L/min Oxygen
$51.25USD / Each
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4000 Oxygen Variable-Area Flowtube, Direct-Reading, 65-mm Scale; 4 L/min Oxygen
$51.25USD / Each
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33000 Argon Variable-Area Flowtube, Direct-Reading, 150-mm Scale; 33 mL/min Argon
$81.20USD / Each
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500 Helium Variable-Area Flowtube, Direct-Reading, 150-mm Scale; 500 mL/min Helium
$81.20USD / Each
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1500 Helium Variable-Area Flowtube, Direct-Reading, 150-mm Scale; 1500 mL/min Helium
$81.20USD / Each
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45307 Nitrogen Variable-Area Flowtube, Direct-Reading, 150-mm Scale; 1.6 scfm Nitrogen
$93.30USD / Each
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2000 Nitrogen Variable-Area Flowtube, Direct-Reading, 150-mm Scale;2 L/min Nitrogen
$81.20USD / Each
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300 Nitrogen Variable-Area Flowtube, Direct-Reading, 150-mm Scale; 300 mL/min Nitrogen
$81.20USD / Each
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16500 Oxygen Variable-Area Flowtube, Direct-Reading, 150-mm Scale; 16.5 L/min Oxygen
$81.20USD / Each
COMPARE
250 Oxygen Variable-Area Flowtube, Direct-Reading, 150-mm Scale; 250 mL/min Oxygen
$81.20USD / Each
Showing 1 - 20 of 48

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