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Repeatability: ±1%
Flow Measuring Range: 0.4 - 560 lpm (0.1 - 150 gpm)
Maximum Operating Pressure:
Aluminum and brass monitors: 3500 psig (240 Bar)
Stainless steel monitors: 6000 psig (410 Bar) up to 116°C (240°F)
Maximum Operating Temperature:
Standard Models: 116°C (240°F)
High Temp (-HT) Models: 204°C (400°F) max
Ultra High Temp (-UHT) Models: 316°C (600°F) max
Pressure Differential: download spec sheet for pressure drop graphs
Standard Calibration Fluids:
Oil monitors: DTE 25 @ 43°C (110°F), 0.873 sg
Water monitors: tap water @ 21°C (70°F), 1.0 sg
Maximum Particle Size: 76 microns
Relay (Optional): 1 or 2 form “C” relays, rated 10 A @ 125 or 250 Vac or 0.25 A @ 250 Vdc
Mechanical Life: >107 cycles
Analog Output (Optional): Supply voltage 12 to 35 Vdc, field selectable for 0 to 5 Vdc (100 W minimum load), 0 to 2000 Hz square-wave pulse or 4 to 20 mA; Rmax = 50 (Vs-12). Vs = supply voltage DC
Installation Dimensions:
1/4 and 1/2 NPT Sizes: 1-7/8 OD x 6.6" length
3/4 and 1 NPT Sizes: 2-3/8 OD x 7.2" length
1-1/4 and 1-1/2 NPT Sizes: 3-1/2 OD x 10.1" length
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
- C
Chad Harmon
Mar 12, 2026
Omega Flowmeter FLMH-1405We've found the information we need now.HelpfulUnhelpful - M
Mike L Jessen
Dec 16, 2024
Omega Flowmeter FLMH-1405it took a lot of looking at a lot of different sites.thank you for having it.HelpfulUnhelpful - T
Tim Kelly
Jul 30, 2024
Omega Flowmeter FLMH-1405We're on a roll, just need to get it set up.HelpfulUnhelpful - S
Shennecossett Yacht Club Club
Aug 10, 2023
Omega Flowmeter FLMH-1405Got the resources I needed to keep my business thriving and clients satisfied.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Omega Flowmeter FLMH-1405All was ok! No problems whatsoever.HelpfulUnhelpful
Omega Flowmeter FLMH-1405
✔ 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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