Dwyer Instruments

Dwyer Series RSF Rotatable Scale Rotameter

SKU: Series RSF Categories: , ,

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The Dwyer 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.

Product Applications

  • Water and air pollution analysis equipment
  • Water and air pollution analysis systems
  • 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

Service : Compatible gases or liquids
Wetted Materials : Flowtube: Borosilicate glass; Float: Brass/SS skus: 316 SS; PTFE skus: PTFE; Float stops: Brass/SS skus: 316 SS; PTFE skus: PTFE; End fittings: Brass/SS skus: Brass or 316 SS; PTFE skus: PTFE; O-rings: Brass/SS skus: Fluoroelastomer; PTFE skus: PTFE
Temperature Limits : 250°F (121°C)
PTFE skus : 150°F (65°C)
Pressure Limits :  150 psig (10.34 bar) @ 200°F (93°C); PTFE skus: 100 psig (6.7 bar)
Accuracy : ±7% FS
Repeatability : ±0.25% FS
Scale : Direct Reading 127 mm scales for air and water
Turn-Down Ratio : 10:1
Connections : Two 3/8″ female NPT
Mounting : Vertical or panel mount
Panel Cutout : Drill two 7/8″ diameter holes 9.469″ (240.5 mm) apart (for panel mount meters only)
Valve : 6-turn needle (standard on skus indicating “with valve”).

Catalogue:
Manuals: Dwyer_RSF_Manual

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