Series RSF Rotatable Scale Flowmeters

Dual, Rotatable Direct Reading Scales for Air and Water

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.

Calibration Options are available in the Accessory tab. For PTFE Models contact the factory.

California Residents: Click Here for Proposition 65 WARNING.

Product Applications

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

Starting at $425.95

Ordering

Filter By

Brass In-Line Meter

Brass In-Line Meter with Valve

Brass Panel Mount Meter

Brass Panel Mount Meter with Valve

SS In-Line Meter

SS In-Line Meter with Valve

SS Panel Mount Meter

SS Panel Mount Meter with Valve

Grouped product items
Model	Description	Availability*	Qty	Price
RSF011	Rotatable scale flowmeter, max. flow rate 5 SCFM (140 SLPM) air, 1.2 GPM (4 LPM) water.	7-8 Weeks*		$934.60
RSF124	Rotatable scale flowmeter, max. flow rate 20 SCFM (575 SLPM) air, 4 GPM (15 LPM) water.	7-8 Weeks*		$425.95

Specifications

Service:: Compatible gases or liquids.
Wetted Materials:: Flowtube: Borosilicate glass; Float: Brass/SS models: 316 SS; PTFE models: PTFE; 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.
Temperature Limits:: 250°F (121°C). PTFE models: 150°F (65°C).
Pressure Limits:: 150 psig (10.34 bar) @ 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 9.469" (240.5 mm) apart (for panel mount meters only).
Valve:: 6-turn needle (standard on models indicating "with valve").

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

Support Library

Product Literature

Manuals

Instruction Manual

Catalog Pages

Series RSF Catalog Page

Drawings

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Accessories

Model	Description	Availability*	Price
NISTCAL-FL1	NIST traceable calibration certificate for variable area flowmeters (air). NOTE: EQUAL CERTS WILL BE CHARGED PER UNITS PURCHASED.	Less Than 1 Week*	$352.00
NISTCAL-FL2	NIST traceable calibration certificate for variable area flowmeters (water). NOTE: EQUAL CERTS WILL BE CHARGED PER UNITS PURCHASED.	Less Than 1 Week*	$292.00