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12 Months Warranty for New Products
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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: Are there shopping protection plans or extended warranty services?
A: Depending on the category and brand of the product, we may offer shopping protection plans or extended warranty services. You can view relevant information on the product details page and choose to purchase based on your needs.
- Q: Are the actual colors of the products consistent with the pictures?
A: We do our best to ensure the accuracy of product images. However, due to variations in display devices and lighting conditions, there may be slight differences in actual colors. We provide detailed color descriptions to assist you in making better choices.
- Q: How can I change my email address associated with my account?
A: To change the email address associated with your account, please contact our customer service team and provide them with the necessary verification information. They will assist you in updating your email address.
Reviews
- N
NAVID PARTOVI
Feb 10, 2026
Omega Flowmeter FTB311DJust what I needed, thanks!HelpfulUnhelpful - F
Frank Rich
Nov 04, 2025
Omega Flowmeter FTB311DOrder with ease!HelpfulUnhelpful - I
Ivan Baka
Mar 20, 2024
Omega Flowmeter FTB311DEasy and fast.HelpfulUnhelpful - J
Jeffrey Jacobson
Jun 18, 2023
Omega Flowmeter FTB311DSuper fast shipping options!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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