Dwyer Instruments SERIES RSF Catalog Page
AC
3/8-18 NPT TYP 2 PLACES
[282.58]
[38.10]
[240.51]
3/8-18 NPT TYP 2 PLACES
SERIES RSF
ROTATABLE SCALE FLOWMETERS
Dual, Rotatable Direct Reading Scales for Air and Water
In-line
meter
The Series RSF Rotatable Scale Flowmeters are ideal for the direct ow
measurement of air, water, and other commonly used gases. These owmeters 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/BENEFITS
• Reective lens background and 1.5 X magnication 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
APPLICATIONS
• Gas or liquid metering
MODEL CHART
Brass & SS Vertical In-Line Meters Brass & SS Panel Mount Meters
Model Without Valve Model With Valve Max. Flow Rate Model Without Valve Model With Valve Max. Flow Rate
Brass SS Brass SS
RSF011
RSF012
RSF013
RSF014
RSF015
Note: For PTFE models select RSF2XX_ (not available for all models).
RSF111
RSF112
RSF113
RSF114
RSF115
RSF011V
RSF012V
RSF013V
RSF014V
RSF015V
• Water and air pollution analysis systems
Air SCFM
RSF111V
RSF112V
RSF113V
RSF114V
RSF115V
(SLPM)
5 (140)
10 (280)
15 (425)
20 (575)
30 (900)
Water
GPM (LPM) Brass SS Brass SS
1.2 (4)
2 (8)
3 (11.5)
4 (15)
5 (20)
mount meter
RSF021
RSF022
RSF023
RSF024
RSF025
Panel
RSF121
RSF122
RSF123
RSF124
RSF125
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 ttings: Brass/SS
models: Brass or 316 SS; PTFE models:
PTFE; O-rings: Brass/SS models:
Fluoroelastomer; PTFE models: PTFE.
Temperature Limit: 250°F (121°C);
PTFE models: 150°F (65°C).
Pressure Limit: 150 psig (10.34 bar) @
200°F (93°C). PTFE models: 100 psig
(6.7 bar).
10-3/8
[263.53]
11-1/8
3/4
[19.05]
RSF021V
RSF022V
RSF023V
RSF024V
RSF025V
2
[50.80]
In-line meter
RSF121V
RSF122V
RSF123V
RSF124V
RSF125V
1-3/4
[44.45]
Air SCFM
(SLPM)
5 (140)
10 (280)
15 (425)
20 (575)
30 (900)
1-7/8 [47.63]
Water
GPM (LPM)
1.2 (4)
2 (8)
3 (11.5)
4 (15)
5 (20)
10-3/8
[263.53]
3/4
[19.05]
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”).
2
[50.80]
Panel mount meter
1-1/2
9-15/32
1-7/8
[47.63]
Variable Area & In-Line
Flowmeters,
OPTIONS
Use order code: Description
NISTCAL-FL1 NIST traceable calibration certicate
USA: California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
DWYER INSTRUMENTS, INC.
257
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