OM Series Flowmeter - OM004S513-821R4

Marsoni

M251S

$971.30

Get it in 3 business days with 1 day shipping. Friday, May 29

OM Series Flowmeter - OM004S513-821R4OM Series Flowmeter OM004S513 821R4 FLOMEC OM Series Meters are an extremely versatile flowmeter which accurately measures high and low viscosity fluids. With no flow conditioning required and a small footprint, the OM004S513 821R4 flowmeter allows for compact installation. An accuracy of 1% and 0. 03% repeatability regardless of viscosity changes make the OM Series a versatile meter. With a simple and reliable design concept using only two moving

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We offer a 30-day return/exchange service after receiving.
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Purchased 2 sets of these to make a folding wing on my workbench. Didn’t expect great quality but did expect 90 degrees. Installed and the end of my 27” wing is 25mm higher than the fixed end. Measured bracket and hypotenuse and ran some quick cosine to discover the bracket is actually 91.286degrees. There is zero adjustment capability on these. Buyer beware

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Reviewed in the United States on February 14, 2026

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orsinos12

Boise, US

★★★★★ 5

Good shelf.

Size: 8 Inch

Great small shelf easy to install.

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Reviewed in the United States on April 6, 2026

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Cynthia Bochert

Waukegan, US

★★★★★ 5

Well made

I have not installed this yet but it is well made at a good price and should give me extra space in my camper

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Reviewed in the United States on April 20, 2026

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scott sipprell

Port Orchard, US

★★★★★ 5

You'll flip over the added countertop!

Good product, seems well made. Installation was simple enough. It gives us a little extra counter space when needed. The only issue is it blocks the entry a little when flipped up in our RV. Just look before you step in.

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Reviewed in the United States on July 28, 2025