✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
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
(0/1,200)
- Q: Do I need to pay for shipping when returning a product?
A: According to our return policy, if the return is due to product quality issues or our mistake, we will cover the return shipping fee. If it's for other reasons, the return shipping fee may be borne by you. Please refer to our return policy for specific details.
- Q: How can I check the stock status of a product?
A: On the product details page, you can check the stock status of the item. If a product is temporarily out of stock, we will restock it as soon as possible or provide a pre-order option.
- Q: How can I find out about product recalls or safety alerts?
A: We prioritize the safety of our customers and comply with product recall and safety alert notifications. You can stay informed about product recalls by regularly checking our website's safety alert section or subscribing to relevant product safety authorities' notifications.
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
People who bought this item also viewed
E+H Turbidity Meter CUM253-TU0005
Customers frequently viewed
IWAYA DENKI Water Pump 25CJT0752
Panasonic Servo Motor MHMF022L1V2M
Honeywell Solenoid Valve VE4025B1045
ROTEN Mechanical Seal 8E5K-22-X
SANDSUN Overload Pump VA08H-760
GS Battery 6-QW-60(450)-(55D23L-KR)
Rechi Compressor 44R273A
MINDMAN Air Cylinder MCQV2-11-40-200
Mitsubishi Compressor YB645WTG
SAMSUNG Servo Motor CSM-50DS1ATT5
Danfoss Compressor SM120W4VJ
Copeland Compressor ZB19KC-PFV-250
TAMAGAWA Servo Motor TSM3101N3300E200
Siemens PLC 6FX5002-2CC11-1GK4
NSK Servo Drive ESB-YSB2020ABC00-03
SAMSUNG Servo Motor CSMH-40BM1BBM6
SMC Solenoid Valve SY3100T-5Z1
Delta Fan AFB1524EH-FBR00

