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Flow Velocity Range:0.05 to 9 mps (0.15 to 30 fps)
Accuracy:±2% FS over calibrated span
Liquid Types: Liquids containing
100 ppm of useful sonic-suspended
reflectors greater than 100 microns
(see page E-4 for details)
MONITOR
Enclosure: NEMA 4X (IP66),
polycarbonate, stainless steel, brass,
plated-steel mounting brackets
Dimensions: 178 H x 146 W x 99 mm D
(7.00 x 5.75 x 3.88")
Power Supply: 115/230 Vac,
50/60 Hz ±15% @ 5 VA max;
12 to 28 Vdc @ 2.5 VA max
Display: 2-line x 8-character LCD;
LED backlighting; top row, 7-segment
18 mm (0.7"); bottom row, 14-segment
9 mm (0.35"); 8-digit rate, 8-digit total
(resettable)
Units: User configured—feet,
gallons, ft3, mil-gal, meters, liters,
mil ft3, m3, mil-liters, acre-feet,
oil barrels (42 gallon), liquor barrels
(32.5 gallons), lb, kg
Rate:
Interval—second, minute, hour, day
Totalizer exponent: E-2 to E+6
Response Time:
User selectable, 1 to 60 seconds
Outputs: 4 to 20 mA, 800 Ω max;
internal or external power supply;
12-bit resolution; optically isolated
Dual Relay: Independently configured;
form “C”, 200 Vac @ 0.5 A resistive; rate
alarm, totalizer pulse, error
Rate Pulse: 2 output types— 500 mVac
or open collector; 2500 Hz max; 12-bit
resolution; 500 mV AC into 2 kΩ min;
open collector 1 A at 100 V max
Multiple Meters: Synchronization provision included—used for multiple meter/
single pipe system; up to
4 meters may be interconnected to
30 m (100') apart
Keypad: 4 pushbutton keys
Operating Temperature: General
purpose, 40 to 85°C (40 to 185°F)
TRANSDUCERS
Type: Compression-mode
ultrasonic, 625 kHz
Housing Material:
Standard Clamp-On: NEMA 6P
(IP68), -40 to 100°C (-40 to 210°F),
CPVC, Ultem®, nylon, PVC (cable
jacket), aluminum (small pipe)
High-Temp Clamp-On:
NEMA 4 (IP65), -40 to 200°C
(-40 to 400°F), Vespel®, anodized
aluminum, nickel-plated brass,PFA (cable jacket)
Doppler Probe: NEMA 6 (IP67)
-40 to 100°C (-40 to 210°F); 700 psi
(48 bar) max, 316 SS, Ultem®
, FKM,
nylon, PVC (cable jacket)
Optional Flexible Armored Conduit:Zinc-plated steel, PVC
Cable Length:
Standard Lengths:6 m (20') standard
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
- A
Alan Feldman Plumbing
Feb 13, 2026
Omega Flowmeter FD-423Great website, just waiting on my delivery - shipping costs are a bit higher than I expected, but I'm still looking forward to it.HelpfulUnhelpful - R
Richard West
Nov 04, 2025
Omega Flowmeter FD-423You guys are very easy to find the parts needed. Good system keep it upHelpfulUnhelpful - F
Fernando Aristiguieta
Mar 20, 2024
Omega Flowmeter FD-423Your website is so easy to use and find what I need quickly.HelpfulUnhelpful - P
Paul Goodman
Aug 15, 2023
Omega Flowmeter FD-423Your work is exceptional, start to finish, I'm blown away!HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Omega Flowmeter FD-423All was ok! No problems whatsoever.HelpfulUnhelpful
Omega Flowmeter FD-423
✔ 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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