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OM Series Flowmeter - OM040A003-820M3
OM Series Flowmeter - OM040A003-820M3
OM Series Flowmeter - OM040A003-820M3
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OM Series Flowmeter - OM040A003-820M3

Marsoni M251S
Sale price$1346.95
Pay 4 payments of $336.74 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
OM Series Flowmeter - OM040A003-820M3OM Series Flowmeter OM040A003 820M3 FLOMEC OM Series Mechanical Meters are an extremely versatile flowmeter which accurately measures high and low viscosity fluids. With no flow conditioning required and a small footprint, the OM040A003 820M3 flowmeter allows for compact installation. An accuracy of 1% and 0. 03% repeatability regardless of viscosity changes make the OM Series an extremely proficient and reliable flowmeter in any conditions. The OM
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
Based on 2164 reviews
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Product Reviews
J
Verified Purchase
Jwick
Belleville, US
★★★★★ 5
Good product
Works as should and shows correct voltage.. double checked with several multi meters. And has been running my 4000, watt amp for almost 6 months now with no problem
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 18, 2025
C
Verified Purchase
chris
Fort Morgan, US
★★★★★ 5
Its ok but falls out
Works good but not connected to the unit so it falls out
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
C
Verified Purchase
Cliente de Amazon
Bozeman, US
★★★★★ 5
Excelente
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
I
Verified Purchase
Ivan Santana
West Palm Beach, US
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 29, 2025
V
Verified Purchase
Very slowly shipping 20 days to California
Battle Creek, US
★★★★★ 5
Good quality
Good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025

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