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Series RSF Rotatable Scale Flowmeter

Brand: Dwyer Instruments, LLC

The Series RSF Rotatable Scale Flowmeters are ideal for the direct flow measurement of air, water, and other commonly used gases.

These flowmeters are designed with direct read scales with no need for correlation charts and graduations are marked on a rotating, polycarbonate tube shield.

They feature borosilicate glass tubes with brass and SS metering valve options.
Features
  • Reflective lens background and 1.5 X magnification lens reduces parallax and eye fatigue saving time and allowing for a more accurate reading
  • Long operating life with thick polycarbonate front shield that protects tube from breakage and serves as a magnifying lens to enhance reading resolution
  • Increased protection with included safety blow-out back panel for added safety in the event of breakage

1 - 12 of 80 Part Numbers
RSF011
RSF011
DWYER Rotatable Scale Flowmeter, Max. Flow Rate 5 SCFM (140 SLPM) Air, 1.2 GPM (4 LPM) Water.
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 5 SCFM (140 SLPM) Air / 1.2 GPM (4 L/min) Water
  • Valves - Without Valve
  • Certificates - No Additional Certificate
RSF011NISTCAL-FL1
RSF011NISTCAL-FL1
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 5 SCFM (140 SLPM) Air / 1.2 GPM (4 L/min) Water
  • Valves - Without Valve
  • Certificates - NIST Traceable Calibration Certificate
RSF011V
RSF011V
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 5 SCFM (140 SLPM) Air / 1.2 GPM (4 L/min) Water
  • Valves - With Valves
  • Certificates - No Additional Certificate
RSF011VNISTCAL-FL1
RSF011VNISTCAL-FL1
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 5 SCFM (140 SLPM) Air / 1.2 GPM (4 L/min) Water
  • Valves - With Valves
  • Certificates - NIST Traceable Calibration Certificate
RSF012
RSF012
DWYER Rotatable Scale Flowmeter, Max. Flow Rate 10 SCFM (280 SLPM) Air, 2 GPM (8 LPM) Water.
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 10 SCFM (280 SLPM) Air / 2 GPM (8 L/min) Water
  • Valves - Without Valve
  • Certificates - No Additional Certificate
RSF012NISTCAL-FL1
RSF012NISTCAL-FL1
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 10 SCFM (280 SLPM) Air / 2 GPM (8 L/min) Water
  • Valves - Without Valve
  • Certificates - NIST Traceable Calibration Certificate
RSF012V
RSF012V
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 10 SCFM (280 SLPM) Air / 2 GPM (8 L/min) Water
  • Valves - With Valves
  • Certificates - No Additional Certificate
RSF012VNISTCAL-FL1
RSF012VNISTCAL-FL1
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 10 SCFM (280 SLPM) Air / 2 GPM (8 L/min) Water
  • Valves - With Valves
  • Certificates - NIST Traceable Calibration Certificate
RSF013
RSF013
DWYER Rotatable Scale Flowmeter, Max. Flow Rate 15 SCFM (425 SLPM) Air, 3 GPM (11.5 LPM) Water.
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 15 SCFM (425 SLPM) Air / 3 GPM (11.5 L/min) Water
  • Valves - Without Valve
  • Certificates - No Additional Certificate
RSF013NISTCAL-FL1
RSF013NISTCAL-FL1
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 15 SCFM (425 SLPM) Air / 3 GPM (11.5 L/min) Water
  • Valves - Without Valve
  • Certificates - NIST Traceable Calibration Certificate
RSF013V
RSF013V
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 15 SCFM (425 SLPM) Air / 3 GPM (11.5 L/min) Water
  • Valves - With Valves
  • Certificates - No Additional Certificate
RSF013VNISTCAL-FL1
RSF013VNISTCAL-FL1
  • Model - Vertical In-Line Meteres
  • Material - Brass
  • Flow Rate - 15 SCFM (425 SLPM) Air / 3 GPM (11.5 L/min) Water
  • Valves - With Valves
  • Certificates - NIST Traceable Calibration Certificate
1 - 12 of 80 Part Numbers

Specifications

Accuracy

  • ± 7 % of Full Scale

Flow Rate

  • 1.2 to 5 gpm (4 to 20 LPM)
  • 5 to 30 scfm (140 to 900 SLPM)

Media

  • Compatible Gases
  • Liquids & Gases

Mounting

  • Panel Mount

Mounting Position

  • Vertical

NACE & NIST

  • NIST

NPT Connection

  • 2-3/8” NPT Female
  • 3/8” NPT Female

O-Ring Material

  • Brass
  • Fluoroelastomer

Pressure Range

  • psig: 100 to 150 (kPa: 670 to 1,034, bar: 6.7 to 10.34)

Repeatability

  • ± 0.25 % of Full Scale

Temperature Range

  • 65° to 121° C (150° to 250° F)

Turndown

  • 10:1

Wetted Materials

  • 316 Stainless Steel
  • Borosilicate Glass - Flowtube
  • Brass - Float
  • Fluoroelastomer
  • PTFE

  • Water and Air Pollution Analysis Equipment
  • Water and Air Pollution Analysis Systems
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