✔ In Stock (Can ship in 5-7 days)

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12 Months Warranty for New Products
30 Days Money Back Guarantee
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 free trial or sample giveaway activities?
A: We regularly organize free trials or sample giveaways. You can stay informed about these activities and apply to participate by following our official announcements, emails, or social media channels.
- Q: What payment methods do you accept?
A: We accept various payment methods, including major credit cards (Visa, Mastercard, American Express), debit cards, and digital payment platforms such as PayPal, Apple Pay, and Google Pay. The available payment methods will be displayed during the checkout process.
- Q: Do you have a mobile app for easier shopping?
A: We currently do not support it, but we have a Progressive Web App (PWA) and a well-adapted mobile version of our website. Additionally, we are in the process of developing a mobile application for iOS and Android devices. Our mobile app will provide a convenient and user-friendly shopping experience, including personalized recommendations, easy navigation, and order tracking features.
Reviews
- E
Ernesto Rodriguez
Feb 10, 2026
Omega Flowmeter FTB311I’m continually happy with my experience; my items came just as they were stated online.HelpfulUnhelpful - M
Michelle Marques
Aug 06, 2025
Omega Flowmeter FTB311Pleasant and everything went smoothly~HelpfulUnhelpful - C
Corey Keeslar
Jan 07, 2025
Omega Flowmeter FTB311In stock and competitively priced for you.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Omega Flowmeter FTB311All was ok! No problems whatsoever.HelpfulUnhelpful
Omega Flowmeter FTB311
✔ 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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