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PVC Lens: 9 bar (130 psig) at 21°C (70°F)
PVDF Lens ("-PVDF" Option): 150 psig (10 bar) @ 21°C (70°F)
Max Fluid Temperature:
PVC Lens, FNPT Connectors: 54°C (130°F) at 0 PSI
PVDF Lens ("-PVDF" Option), Tubing Connectors: 93°C (200°F) at 0 PSI
Full Scale Accuracy: ±6%
Input Power Requirement: 9 to 28 Vdc
Sensor Type: Infrared light beam
Alarm Output: Open collector 30 Vdc max
Enclosure: NEMA 4X (IP56)
Approximate Shipping Wt: 0.45 kg (1 lb) Materials of Construction
Body, Paddle, Axle Material: PVDF Connector Material
FNPT Connections: PVC
Tubing Connectors: PVDF Viewing Lens Material Option
Clear See Through: PVC
Opaque Chemical Resistant: PVDF (optional)
O-Ring Seals: FKM (EPDM optional)
Compression Seal to Pump: PVC Sensor Only
Models: 5 Vdc digital square wave (2-wire)
Output: 3-wire shielded cable, 1.8 m (6')
Ask questions
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- Q: Can I request a specific delivery date for my order?
A: While we strive to deliver orders promptly, specific delivery date requests may not always be possible due to logistics and carrier limitations. However, if you have a specific requirement or need expedited shipping, please contact our customer service, and we will do our best to assist you.
- Q: What should I do if I forgot my password?
A: If you forgot your password, click on the "Forgot Password" link on the login page. Follow the instructions to reset your password.
- Q: Do you offer free shipping?
A: We may offer free shipping on select products or as part of promotional campaigns. You can check the product details or promotions to see if free shipping is available.
Reviews
- N
NAVID PARTOVI
Aug 06, 2025
Omega Flowmeter FTB311DJust what I needed, thanks!HelpfulUnhelpful - J
Jeffrey Jacobson
Mar 18, 2025
Omega Flowmeter FTB311DSuper fast shipping options!HelpfulUnhelpful - I
Ivan Baka
Oct 14, 2024
Omega Flowmeter FTB311DEasy and fast.HelpfulUnhelpful - F
Frank Rich
Sep 27, 2024
Omega Flowmeter FTB311DOrder with ease!HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Omega Flowmeter FTB311DAll was ok! No problems whatsoever.HelpfulUnhelpful
Omega Flowmeter FTB311D
✔ 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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