Buy Dwyer RSF225, Series RSF Rotatable Scale Flowmeter

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Dwyer Instruments, RSF225, Series RSF Rotatable Scale Flowmeter, Panel Mount Meter, 3.5 GPM, without Valve

Features:

Series RSF Flowmeters are designed with unique rotatable scales of dual, air-water direct reading graduations.
Flow rate is indicated in SCFM and SLPM for air and GPM and LPM for water. Graduations are marked on a rotating, polycarbonate tubeshield which also serves to protect the borosilicate glass flowtube.
Flowmeters include a reflective plastic background and 1.5 x magnification lens to reduce eye fatigue and allow for more accurate readings.
A blow-out back panel provides additional protection in the event of breakage.
Units are shipped completely assembled and include standard mounting hardware for quick installation.

Applications:

Flowmeters are suitable for metering air or water for film processing, paper manufacturing, chemical processing, semiconductor industry, water and air pollution analysis equipment, metals processing, industrial fuel and energy conservation, air metering, and general laboratory and industrial applications.

We aim to show you accurate product information. Here you will find what the manufacturers have provided us with. See our disclaimer.

Technical Details

Service	Compatible gases or liquids.
Temperature Limit	250°F (121°C). PTFE models: 150°F (65°C).
Pressure Limit	150 psig (10.34 bar) at 200°F (93°C). PTFE models: 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 9.0" (229 mm) apart (for panel mount meters only).
Agency Approvals	CE
Air scfm (SLPM)	17.5 (500)
Water GPM (LPM)	3.5 (13.25)
Wetted Materials
Flowtube	Borosilicate glass
Float	Brass/SS models: 316 SS; PTFE models: PTFE
Tube shield	Polycarbonate
Float stops	Brass/SS models: 316 SS; PTFE models: PTFE.
End fittings	Brass/SS models: Brass or 316 SS; PTFE models: PTFE.
O-rings	Brass/SS models: Fluoroelastomer; PTFE models: PTFE.

Service	Compatible gases or liquids.
Temperature Limit	250°F (121°C). PTFE models: 150°F (65°C).
Pressure Limit	150 psig (10.34 bar) at 200°F (93°C). PTFE models: 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 9.0" (229 mm) apart (for panel mount meters only).
Agency Approvals	CE
Air scfm (SLPM)	17.5 (500)
Water GPM (LPM)	3.5 (13.25)
Wetted Materials
Flowtube	Borosilicate glass
Float	Brass/SS models: 316 SS; PTFE models: PTFE
Tube shield	Polycarbonate
Float stops	Brass/SS models: 316 SS; PTFE models: PTFE.
End fittings	Brass/SS models: Brass or 316 SS; PTFE models: PTFE.
O-rings	Brass/SS models: Fluoroelastomer; PTFE models: PTFE.

Note: Please read description carefully. Do not base your order on the picture presented.