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±0.5% of reading or better
Repeatability:
±0.1% of reading or better
temperature Range:
-268 to 232°C (-450 to 450°F)
Signal output:
10 mV rms or greater into a 10 kΩ
load at minimum flowrate
Materials of Construction: 316 SS
except as noted below:
Rotor: 17-4 PH SS
Retaining Rings: 15-7 MO PH SS
Bearings: Hard carbon composite
Ask questions
(0/1,200)
- Q: How can I apply for a purchase invoice?
A: On the checkout page, you can select the option for an invoice and fill in the relevant invoice information. We will provide you with the corresponding invoice according to your request.
- Q: Can I save my payment information for faster checkout?
A: We prioritize the security of your payment information and do not store sensitive payment details on our servers. However, you may have the option to securely save your payment information with trusted third-party payment processors for faster checkout on future orders.
- Q: Do you have a size conversion chart for international customers?
A: Yes, we provide size conversion charts for international customers on our website. These charts help you convert sizes between different measurement systems, ensuring you select the appropriate size for your region. They can usually be found in the product description or on the size guide page.
Reviews
- G
Greg Branscome
Dec 07, 2025
Omega Flowmeter FTB-403AYour prices are unbeatable, I paid half of what I would normally pay.HelpfulUnhelpful - J
James McCurry
Dec 05, 2024
Omega Flowmeter FTB-403AI’m back to enjoying compressor jobs thanks to you! Appreciate the new repair option for my customers!HelpfulUnhelpful - J
Jeffrey Dannemiller
Nov 09, 2024
Omega Flowmeter FTB-403AI'm a newbie here, hoping to find what I'm looking for.HelpfulUnhelpful - A
Anonymous
Aug 25, 2023
Omega Flowmeter FTB-403AEs fácil hacer negocios con OKmarts!!!HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Omega Flowmeter FTB-403AAll was ok! No problems whatsoever.HelpfulUnhelpful
Omega Flowmeter FTB-403A
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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