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Acrylic Variable Area Flow Meters

OEM Style Acrylic Variable Area Flow Meters


Item# FL7203

In stock

Lead Time (If not in stock): 6 weeks
OEM Style Acrylic Variable Area Flow Meters FL7203 FL7203
  • 50 mm, 75 mm, 100 mm, 127 mm and 250 mm (1.97", 2.96", 5" and 9.85") Scale Lengths
  • Floats Are Rod-Guided in Most Models
  • Direct Reading Scales

FL7203 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Media Type
Gas Flow Range
Liquid Flow Range
Process Connection Size
Wetted Materials
Max Operating Pressure
Max Process Temperature
Process Connection Type
Valve Included

FL7000 OEM-style Variable Area Flow Meters 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') and have accuracies between 2 and 6%.

Construction: Acrylic tube, 316 SS float and guide rod (no guide rod for FL7211 through FL7215 air meters), PVC end fittings (brass on FL7200 series), EPR O-rings
Shipping Weights:
     FL7200, 7300, 7500:
0.45 kg (1 lb)
    FL7400: 0.79 kg (1.75 lb)
    FL7600: 1.25 kg (2.75 lb)
Max Pressure/Temperature:
    Water Ranges: 125 psig at 21°C (70°F); 54°C (130°F) at 0 psig
    Air Ranges: 100 psig at 21°C (70°F); 38°C (100°F) @ 0 psig
Full Scale Accuracy/Repeatability:
   FL7300: 6/1%
   FL7400: 4/1%
   FL7500: 3/½%
   FL7600: 2/½%
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Rated 5 out of 5 by from Quality product The best quality on the market. Easy to read and good materials used.
Date published: 2022-10-11
Rated 5 out of 5 by from Works as expected These rotameters are high quality and nicely finished. No issues.
Date published: 2016-11-28
Rated 4 out of 5 by from Very good product Very happy with this product. The only CON is the cost of the certs over 3 times the cost of the unit THAT'S RIDICULOUS!!
Date published: 2016-09-02
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Is there a mounting option for this meter?

Asked by: Jim G
Thank you for your inquiry about the rotameter. The best way to mount is with rigid pipes when installing the rotameter in a vertical position, unfortunately, no mounting options available.
Answered by: Application Engineer JC
Date published: 2021-10-14

What are the thread size and pitch of the mounting holes on the back of the meter?

Asked by: JWW7
Thank you for your inquiry! The FL7000 series meters have 10-32 threads for mounting
Answered by: Application Engineer JM
Date published: 2022-10-19

What pressure/temperature is the SCFM of the air rotameters calibrated to?

Asked by: JJJJ
Thank you for your inquiry. The rotameters are calibrated to standard conditions at 21 C (70F) and 14.7 PSIA.
Answered by: Application Engineer JC
Date published: 2023-07-18
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