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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: 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
- C
Craig Carter
Jul 30, 2025
Omega Flowmeter FD-420I'm looking forward to seeing if the part fits my AC unit correctly.HelpfulUnhelpful - H
Howard Sanders
Feb 02, 2025
Omega Flowmeter FD-420Arreglaron mi pedido cuando accidentalmente pedí un pedido equivocado. Y aún me lo entregaron a tiempo.HelpfulUnhelpful - C
Christopher Albano
Sep 27, 2024
Omega Flowmeter FD-420Customer was very supportive and delivered the parts with a positive attitude.HelpfulUnhelpful - D
Daniel Washington
Feb 07, 2024
Omega Flowmeter FD-420Great experience, will be back for more.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Omega Flowmeter FD-420All was ok! No problems whatsoever.HelpfulUnhelpful
Omega Flowmeter FD-420
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
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