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Variable Area Flow Meters

Shop for variable area flow meters online at Omega and save on the equipment and devices you ne...
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Low Cost Industrial Rotameters With Capacities: 0.5 to 200 GPM of Water

OMEGA ® FL-75 flowmeters combine shatter resistant, non-glass construction and laboratory precision accuracy at an economical price. SPECIFICATIONS Acc... Read More

FL75
Product Number Category Media Type Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included
FL-75B
$262.65
2  In Stock
Meter
Water
1 to 10 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, EPR, PVC, Acrylic
150 psi
54 °C (130 °F)
Direct Read
No
FL-75E
$272.95
2  In Stock
Meter
Water
1.5 to 15 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, EPR, PVC, Acrylic
150 psi
54 °C (130 °F)
Direct Read
No
FL-75A
$262.65
2  In Stock
Meter
Water
0.5 to 5 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, EPR, PVC, Acrylic
150 psi
54 °C (130 °F)
Direct Read
No
FL-75F
$334.75
5  In Stock
Meter
Water
4 to 40 GPM
±6%
NPT Male
1 1/2"
316 SS, Polysulfone, EPR, PVC, Acrylic
150 psi
54 °C (130 °F)
Direct Read
No
FL-75J
$787.95
Available
in 4 weeks
Meter
Water
4 to 40 GPM
±4%
NPT Female
2"
316 SS, Polysulfone, EPR, PVC, Acrylic
150 psi
54 °C (130 °F)
Direct Read
No
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OEM Style Acrylic Rotameters

FL7000 OEM-style rotameters are precisely machined from solid acrylic blocks. They are available in 50, 75, 100, 127, and 250 mm scale lengths (1.97, 2.96, 5, 3.94, and 9.85')... Read More

FL7000
Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included
FL7202
$65.50
5  In Stock
Meter
Water
Not Applicable
1.2 to 12 GPH
±6%
NPT Female
1/4"
316 SS, Acrylic, Brass, EPR
125 psi
54 °C (130 °F)
Direct Read
No
FL7204
$65.50
1  In Stock
Meter
Water
Not Applicable
5 to 50 GPH
±6%
NPT Female
1/4"
316 SS, Acrylic, Brass, EPR
125 psi
54 °C (130 °F)
Direct Read
No
FL7215
$65.50
1  In Stock
Meter
Air
3 to 30 SCFH
Not Applicable
±6%
NPT Female
1/4"
Acrylic, PVC, EPR
100 psi
38 °C (100 °F)
Direct Read
No
FL7611
$164.00
2  In Stock
Meter
Air
0.85 to 8.5 SCFM
Not Applicable
±2%
NPT Female
3/4"
316 SS, Acrylic, EPR
100 psi
38 °C (100 °F)
Direct Read
No
FL7412
$118.00
4  In Stock
Meter
Air
6.2 to 62 SCFM
Not Applicable
±4%
NPT Female
1"
316 SS, Acrylic, EPR
100 psi
38 °C (100 °F)
Direct Read
No
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Direct Read In-Line and Panel Rotameters

Incorporating traditional variable area precision glass technology, these rugged PTFE flow meters offer accurate and economical solutions to medium flow range measurements.... Read More

FLD1000-FLD2000
Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FLD1001
$623.15
2  In Stock
Meter
Air, Water
0.5 to 5 SCFM
0.12 to 1.2 GPM
±5%
NPT Female
3/8"
316 SS, Glass, FKM
150 psi
121 °C (250 °F)
Direct Read
Yes
In-Line
FLD2005
$633.45
1  In Stock
Meter
Air, Water
3 to 30 SCFM
0.5 to 5 GPM
±5%
NPT Female
3/8"
316 SS, Glass, FKM
150 psi
121 °C (250 °F)
Direct Read
Yes
Panel Mount
FLD2206
$721.00
1  In Stock
Meter
Air, Water
2.2 to 22 SCFM
0.41 to 4.1 GPM
±5%
NPT Female
3/8"
PTFE, Glass
100 psi
65 °C (150 °F)
Direct Read
Yes
Panel Mount
FLD2002-NV
$535.60
2  In Stock
Meter
Air, Water
1 to 10 SCFM
0.2 to 2 GPM
±5%
NPT Female
3/8"
316 SS, Glass, FKM
150 psi
121 °C (250 °F)
Direct Read
No
Panel Mount
FLD1003
$623.15
Available
in 3 weeks
Meter
Air, Water
1.5 to 15 SCFM
0.3 to 3 GPM
±5%
NPT Female
3/8"
316 SS, Glass, FKM
150 psi
121 °C (250 °F)
Direct Read
Yes
In-Line
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PTFE Rotameters with PTFE Valves

The FL-3000 and FL-3100 Series flowmeters are designed for applications which involve corrosive or ultra-pure fluids. The meters are equipped with built-in PTFE needle valves with... Read More

FL3000
Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL-3140SA
$386.25
2  In Stock
Meter
Air, Water
2936.4 to 29,364 SCCM
82.9 to 829 SCCM
±2%
NPT Female
1/8"
PTFE, KEL-F, Glass, Sapphire, Perflurorodastomer
100 psi
65 °C (150 °F)
0 to 150
Yes
Panel Mount
FL-3010SA
$283.25
1  In Stock
Meter
Air, Water
29.9 to 299 SCCM
0.47 to 4.7 SCCM
±2%
NPT Female
1/8"
PTFE, KEL-F, Glass, Sapphire, Perflurorodastomer
100 psi
65 °C (150 °F)
0 to 150
Yes
Panel Mount
FL-3139SA
$386.25
3  In Stock
Meter
Air, Water
1188.7 to 11,887 SCCM
31.5 to 315 SCCM
±2%
NPT Female
1/8"
PTFE, KEL-F, Glass, Sapphire, Perflurorodastomer
100 psi
65 °C (150 °F)
0 to 150
Yes
Panel Mount
FL-3007SA
$283.25
Available
in 3 weeks
Meter
Air, Water
0.83 to 8.3 SCCM
0.0251 to 0.251 SCCM
±5%
NPT Female
1/8"
PTFE, KEL-F, Glass, Sapphire, Perflurorodastomer
100 psi
65 °C (150 °F)
0 to 65
Yes
Panel Mount
FL-3096SA
$303.85
Available
in 3 weeks
Meter
Air, Water
814.4 to 8,144 SCCM
21.7 to 217 SCCM
±2%
NPT Female
1/8"
PTFE, KEL-F, Glass, Sapphire, Perflurorodastomer
100 psi
65 °C (150 °F)
0 to 65
Yes
Panel Mount
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65 AND 150 mm Rotameters

The OMEGA™ precision variable-area rotameters for air, water, and gases have up to ±2% of full scale accuracy and 0.25% of full scale repeatability (models ending in "0... Read More

FL3200-FL3500
Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL-3404ST-HRV
$251.32
1  In Stock
Meter
Air, Water
456.2 to 4,562 SCCM
13.04 to 130.4 SCCM
±2%
NPT Female
1/8"
Aluminum, Glass, Polyacetal, 316 SS
200 psi
121 °C (250 °F)
0 to 150
Yes
16 Turn High Resolution Valve
FL-3505G
$324.45
1  In Stock
Meter
Air, Water
380.7 to 3,807 SCCM
8.43 to 84.3 SCCM
±2%
NPT Female
1/8"
316 SS, FKM, Glass, PCTFE
200 psi
121 °C (250 °F)
0 to 150
Yes
8 Turn Resolution Valve
FL-3439ST
$182.31
1  In Stock
Meter
Air, Water
1673.7 to 16,737 SCCM
50.6 to 506 SCCM
±2%
NPT Female
1/8"
Aluminum, Glass, Polyacetal, 316 SS
200 psi
121 °C (250 °F)
0 to 150
Yes
8 Turn Resolution Valve
FL-3363ST
$262.65
1  In Stock
Meter
Air, Water
4209.4 to 42,094 SCCM
1.261 to 1,261 SCCM
±2%
NPT Female
1/8"
316 SS, FKM, Glass, PCTFE
200 psi
121 °C (250 °F)
0 to 65
Yes
8 Turn Resolution Valve
FL-3440ST
$194.67
3  In Stock
Meter
Air, Water
4151.2 to 41,512 SCCM
128.8 to 1,288 SCCM
±2%
NPT Female
1/8"
Aluminum, Glass, Polyacetal, 316 SS
200 psi
121 °C (250 °F)
0 to 150
Yes
8 Turn Resolution Valve
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Easy-view Flowmeters

The OMEGA™ FL-9000 EZ-View flowmeters provide accurate, in-line indication of oil or water flow rates at an economical cost. These meters utilize a spring and piston mechanism with... Read More

FL9000
Product Number Category Media Type Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included
FL-9004
$69.53
4  In Stock
Meter
Water
0.5 to 4 GPM
±5%
NPT Female
1"
T300 SS, Polysulfone
325 psi
121 °C (250 °F)
Direct Read
No
FL-9010
$69.53
6  In Stock
Meter
Water
1 to 10 GPM
±5%
NPT Female
1"
T300 SS, Polysulfone
325 psi
121 °C (250 °F)
Direct Read
No
FL-9018
$69.53
4  In Stock
Meter
Water
3 to 18 GPM
±5%
NPT Female
1"
T300 SS, Polysulfone
325 psi
121 °C (250 °F)
Direct Read
No
FL-9007
$69.53
1  In Stock
Meter
Water
1 to 7 GPM
±5%
NPT Female
1"
T300 SS, Polysulfone
325 psi
121 °C (250 °F)
Direct Read
No
FL-9016
$69.53
5  In Stock
Meter
Water
1 to 16 GPM
±5%
NPT Female
1"
T300 SS, Polysulfone
325 psi
121 °C (250 °F)
Direct Read
No
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OEM Style Acrylic Rotameters

FL4000 OEM-style acrylic rotameters are precisely machined from rugged, solid acrylic blocks for superb durability. They are available in 50 mm, 75 mm, 127 mm, and 250 mm sc... Read More

FL4200-4600
Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL4213
$64.46
1  In Stock
Meter
Air
1 to 10 SCFH
Not Applicable
±6%
NPT Female
1/4"
316 SS, Acrylic, Brass, EPR
100 psi
38 °C (100 °F)
Direct Read
No
Panel Mount
FL4302-V
$98.97
2  In Stock
Meter
Water
Not Applicable
0.2 to 2 GPM
±4%
NPT Female
1/4"
316 SS, Acrylic, PVC, Brass, EPR
125 psi
54 °C (130 °F)
Direct Read
Yes
Panel Mount
FL4401
$125.86
1  In Stock
Meter
Water
Not Applicable
1 to 10 GPM
±4%
NPT Male
1"
316 SS, Acrylic, PVC, EPR
125 psi
54 °C (130 °F)
Direct Read
No
Panel Mount
FL4611-V
$221.27
1  In Stock
Meter
Air
0.85 to 8.5 SCFM
Not Applicable
±2%
NPT Female
1/2"
316 SS, Acrylic, PVC, Brass, EPR
100 psi
38 °C (100 °F)
Direct Read
Yes
Panel Mount
FL4204
$64.46
33  In Stock
Meter
Water
Not Applicable
4.4 to 44 GPH
±6%
NPT Female
1/4"
316 SS, Acrylic, Brass, EPR
125 psi
54 °C (130 °F)
Direct Read
No
Panel Mount
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In-line Flowmeters With Half Union Adaptors

FL45100 Series flowmeters feature a rugged, one-piece meter body of heat- and chemical-resistant injection-molded polysulfone. A precision-textured light-admitting surface at the ... Read More

FL45100
Product Number Category Media Type Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL45102
$375.55
2  In Stock
Meter
Water
2 to 20 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, FKM
100 psi
100 °C (212 °F)
Direct Read
No
Dual Scale (GPM/LPM)
FL45104-NIST
$801.00
Available
in 4 weeks
Meter
Water
4 to 40 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, FKM
100 psi
100 °C (212 °F)
Direct Read
No
Dual Scale (GPM/LPM) NIST Calibration
FL45103
$406.00
Available
in 2 weeks
Meter
Water
3 to 30 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, FKM
100 psi
100 °C (212 °F)
Direct Read
No
Dual Scale (GPM/LPM)
FL45101
$355.25
Available
in 3 weeks
Meter
Water
1 to 10 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, FKM
100 psi
100 °C (212 °F)
Direct Read
No
Dual Scale (GPM/LPM)
FL45104
$426.30
Available
in 3 weeks
Meter
Water
4 to 40 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, FKM
100 psi
100 °C (212 °F)
Direct Read
No
Dual Scale (GPM/LPM)
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In-line Flow meters

The FL46300 Series of liquid in-line flow meters offer individual, handmade quality, combined with excellent accuracy and repeatability. These flowmeters are machined of hi... Read More

FL46300
Product Number Category Media Type Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL46309
$205.03
1  In Stock
Meter
Water
2 to 20 GPM
±5%
NPT Female
1"
316 SS, Acrylic, FKM
150 psi
65 °C (150 °F)
Direct Read
No
In-Line
FL46307
$205.03
2  In Stock
Meter
Water
1 to 10 GPM
±5%
NPT Female
3/8"
316 SS, Acrylic, FKM
150 psi
65 °C (150 °F)
Direct Read
No
In-Line
FL46302
$106.58
1  In Stock
Meter
Water
0.1 to 1 GPM
±5%
NPT Female
3/8"
PVC, Acrylic, FKM
150 psi
65 °C (150 °F)
Direct Read
No
In-Line
FL46305
$114.70
2  In Stock
Meter
Water
0.3 to 3 GPM
±5%
NPT Female
1/2"
316 SS, Acrylic, FKM
150 psi
65 °C (150 °F)
Direct Read
No
In-Line
FL46306
$106.58
3  In Stock
Meter
Water
0.5 to 5 GPM
±5%
NPT Female
1/2"
316 SS, Acrylic, FKM
150 psi
65 °C (150 °F)
Direct Read
No
In-Line
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Variable Area In-line Pneumatic Flow Meters

The FLMG flow meters feature rugged construction, easy installation, and direct-reading flow rates of air. The units are calibrated at 100 psi pressure, suitable for most compresse... Read More

FLMG
Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FLMG-1120450AL
$897.60
1  In Stock
Meter
Air
30 to 470 SCFM
null
±4%
NPT Female
1 1/2"
Aluminum, Buna, PTFE, SS
600 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
FLMG-12050BR-MA
$942.45
4  In Stock
Meter
Air
5 to 50 SCFM
null
±4%
NPT Female
1/2"
Brass, Buna, PTFE, SS
600 psi
116 °C (240 °F)
Direct Read
No
4 to 20 mA ouput (12 to 35 Vdc powered)
FLMG-14012AL
$243.78
4  In Stock
Meter
Air
3 to 12 SCFM
null
±4%
NPT Female
1/4"
Aluminum, Buna, PTFE, SS
600 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
FLMG-14012SS-MA
$1,185.00
1  In Stock
Meter
Air
3 to 12 SCFM
null
±4%
NPT Female
1/4"
304 SS, FKM, PTFE
1,000 psi
116 °C (240 °F)
Direct Read
No
4 to 20 mA ouput (12 to 35 Vdc powered)
FLMG-10050AL-MA
$963.05
1  In Stock
Meter
Air
6 to 50 SCFM
null
±4%
NPT Female
1"
Aluminum, Buna, PTFE, SS
600 psi
116 °C (240 °F)
Direct Read
No
4 to 20 mA ouput (12 to 35 Vdc powered)
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