Page 1
Glass Tube FlowmeTers
224
(8.8)
NON-ROTATING
FITTING 1/8 FNPT
2 PLACES
9/16–18 THREAD FOR
PANEL NUTS (PROVIDED)
2 PLACES
249
(9.8)
e-Z Tube chanGe wiTh maGniFyinG FronT shield
U Standard Millimeter
Scales with Flow Curves
U E-Z Change Design
Allows Quick
Interchangeability
of Tube Assemblies
U Glass Tube Allows
Compatibility with
Most Gases and Fluids
U Rotating Lens Allows
180° View with
Magnification
FL-5000 Series
†
Optional
9/16–18 THREAD FOR
PANEL NUTS (PROVIDED)
2 PLACES
140
(5.5)
33.3
(3)
58 (2.3)
Dimensions: mm (in)
31.8
(1.25)
NON-ROTATING
FITTING 1/8 FNPT
2 PLACES
114
(4.5)
12.7 (0.5)
65 mm (2.5") FLOWMETER
Millimeters 140.0 33.3 58.0 31.8 114.0 12.7
Inches 5.5 1.4 2.3 1.3 4.5 0.5
9/16–18 THREAD FOR
PANEL NUTS (PROVIDED)
2 PLACES
NON-ROTATING
FITTING 1/8 FNPT
2 PLACES
249
(9.8)
224
(8.8)
35.7
(1.31)
58 (2.3)
Dimensions: mm (in)
150 mm (5.9") FLOWMETER
Millimeters 245.0 35.7 56.0 31.8 224.0 12.7
Inches 9.8 1.31 2.3 1.25 8.8 0.5
31.8
(1.25)
12.7 (0.5)
FL-5411G Series
flowmeter basic
model, shown actual size.
† Refer to footnote or next page for
NIST calibration ordering information.
B-x
FL-5511G-NV Series flowmeter,
aluminum basic model, shown
smaller than actual size.
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SPECIFICATIONS
Accuracy:
65 mm (2.5"): scale ±5%
150 mm (5.9"): scale ±3%
Back Plate: Aluminum
Standard Seals: Aluminum with
Buna; stainless steel with FKM
Tube: Borosilicate glass
Pressure: 200 psi
Temperature: 93°C (200°F)
FL-5000 Series rotameters are supplied
standard with a 9-turn cartridge valve;
optionally available are units without a
valve or with a 16-turn non-rising stem
precision valve
To Order Visit omega.com/fl5000 for Pricing and Details
65 mm (2.6")
Aluminum 316 SS Air Water
Model No. Model No. cc/min cc/min
FL-5311G FL-5411G 51 –
FL-5311SA FL-5411SA 82 –
FL-5311ST FL-5411ST 153 –
FL-5311C FL-5411C 284 –
FL-5311T FL-5411T 310 –
FL-5321G FL-5421G 103 –
FL-5321SA FL-5421SA 160 –
FL-5321ST FL-5421ST 298 –
FL-5321C FL-5421C 498 –
FL-5321T FL-5421T 546 –
FL-5331G FL-5431G 400 –
FL-5331SA FL-5431SA 550 –
FL-5331ST FL-5431ST 855 21.4
FL-5331C FL-5431C 1275 35.4
FL-5331T FL-5431T 1360 38.4
FL-5341G FL-5441G 900 18.2
FL-5341SA FL-5441SA 1200 29.6
FL-5341ST FL-5441ST 1800 50.1
FL-5341C FL-5441C 2620 76.1
FL-5341T FL-5441T 2790 82.4
FL-5351G FL-5451G 2580 55
FL-5351SA FL-5451SA 3350 85
FL-5351ST FL-5451ST 5030 140
FL-5351C FL-5451C 7270 215
FL-5351T FL-5451T 7710 230
FL-5361G FL-5461G 3930 90
FL-5361SA FL-5461SA 5080 130
FL-5361ST FL-5461ST 7510 220
FL-5361C FL-5461C 10700 325
FL-5361T FL-5461T 11315 345
FL-5371G FL-5471G 6000 130
FL-5371SA FL-5471SA 7800 200
FL-5371ST FL-5471ST 11450 335
FL-5371C FL-5471C 16340 500
FL-5371T FL-5471T 17250 535
FL-5381G FL-5481G 10100 235
FL-5381SA FL-5481SA 12980 350
FL-5381ST FL-5481ST 18960 560
FL-5381C FL-5481C 26525 830
FL-5381T FL-5481T 28115 885
FL-5391G FL-5491G 15750 375
FL-5391SA FL-5491SA 20170 545
FL-5391ST FL-5491ST 29400 880
FL-5391C FL-5491C 41175 1305
FL-5391T FL-5491T 43410 1385
FL-5392G FL-5492G 23640 570
FL-5392SA FL-5492SA 30090 825
FL-5392ST FL-5492ST 43340 1305
FL-5392C FL-5492C 61120 1920
FL-5392T FL-5492T 65850 2055
Come complete with operator’s manual and correlation sheets for water and air.
1. To order units without valves, add suffix “-NV” to model number, for additional cost.
2. To order units with high resolution valves, add suffix “-HRV” to model number, for additional cost.
†
For optional 10-point NIST certificate add suffix, “-NIST” to the model number, for additional cost and two weeks to the standard lead time.
Ordering Examples: FL-5651T-HRV, 150 mm glass tube, stainless steel-tantalum float flowmeter with high resolution valves.
FL-5361C, 65 mm glass tube, carboloy float.
150 mm (5.9")
Aluminum 316 SS Air Water
Model No. Model No. cc/min cc/min
FL-5511G FL-5611G 50 –
FL-5511SA FL-5611SA 78 –
FL-5511ST FL-5611ST 152 –
FL-5511C FL-5611C 281 –
FL-5511T FL-5611T 315 –
FL-5521G FL-5621G 106 –
FL-5521SA FL-5621SA 167 –
FL-5521ST FL-5621ST 308 –
FL-5521C FL-5621C 497 –
FL-5521T FL-5621T 540 –
FL-5531G FL-5631G 400 –
FL-5531SA FL-5631SA 555 –
FL-5531ST FL-5631ST 870 22.2
FL-5531C FL-5631C 1300 36.2
FL-5531T FL-5631T 1400 39.5
FL-5541G FL-5641G 855 18
FL-5541SA FL-5641SA 1135 27.6
FL-5541ST FL-5641ST 1710 47.5
FL-5541C FL-5641C 2465 73.2
FL-5541T FL-5641T 2640 78.8
FL-5551G FL-5651G 2290 50
FL-5551SA FL-5651SA 2980 75
FL-5551ST FL-5651ST 4480 125
FL-5551C FL-5651C 6475 190
FL-5551T FL-5651T 6805 205
FL-5561G FL-5661G 3425 75
FL-5561SA FL-5661SA 4465 115
FL-5561ST FL-5661ST 6600 190
FL-5561C FL-5661C 9475 285
FL-5561T FL-5661T 9990 305
FL-5571G FL-5671G 9180 215
FL-5571SA FL-5671SA 11990 315
FL-5571ST FL-5671ST 17810 515
FL-5571C FL-5671C 24970 765
FL-5571T FL-5671T 26170 825
FL-5581G FL-5681G 23740 565
FL-5581SA FL-5681SA 30270 830
FL-5581ST FL-5681ST 44050 1335
FL-5581C FL-5681C 61410 1950
FL-5581T FL-5681T 66370 2080
FLOAT MATERIAL CODES
Black Glass (G)
Sapphire (SA)
Stainless Steel (ST)
Carboloy (C)
Tantalum (T)
B-y
B
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