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  • Strength
    Starts Here.

    Octave Commercial Ultrasonic Water Meters

    Grade 316 stainless steel wasn't chosen by chance. It's the material behind Octave's corrosion resistance and long-term durability in commercial and industrial service.

    Explore Octave Meters Discover Why Material Matters
    Octave Commercial Ultrasonic Water Meters Octave Commercial Ultrasonic Water Meters

  • Strength
    Starts Here.

    Sonata Residential Ultrasonic Water Meters

    Sonata's solid-state ultrasonic measurement is engineered at the molecular level to handle pressure fluctuations and deliver leak-free connections over time.

    Explore Sonata Meters Discover Why Material Matters
    Sonata Residential Ultrasonic Water Meters Sonata Residential Ultrasonic Water Meters

  • Strength
    Starts Here.

    Bottom Load Multi-Jet (BLMJ) Water Meters

    The BLMJ's durable brass construction stands up to sustained pressure, continuous flow, and everyday wear — year after year.

    Explore BLMJ Meters Discover Why Material Matters
    Bottom Load Multi-Jet (BLMJ) Water Meters Bottom Load Multi-Jet (BLMJ) Water Meters

Award Winning Innovation

Exceptional Partners

allegro cellular

Our meters are compatible with any system and our AMI is compatible with any meter.

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Find the Perfect AMI Solution to Fit Your Needs

Allegro AMI technology offers unique benefits for any deployment situation.

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allegro cellular

Measure.

Strong data in metering is fundamental to building rich and usable data in any AI or Machine Learning software. We’ve mastered world-class water measurement.

Collect.

Master Meter’s Allegro combines several AMI technologies to offer unique benefits for the unique challenges of each utility.

Allegro Cellular
Harmony Encore Screen

Manage.

Our software empowers you to tackle water management, deliver great customer service, and address water sustainability challenges.

Get the Risk-Free Starter Kit

Our Solution-in-a-Box includes everything you need to experience Master Meters’ ultrasonic measurement platform: our ’go-anywhere’ Allegro Cellular AMI product, powerful Harmony-Encore MDM software, and ongoing training.

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allegro cellular
harmony encore
online-training

Includes: 5 Sonatas, 5 Cellular endpoints, Software, and online training. 

Latest Blog Posts

News

Master Meter Announces Honua Waterworks as New Authorized Distributor for Hawaii

By Master Meter
2 min read
Aug 7, 2026

Partnership expands access to smart water solutions and strengthens support for utilities across the Hawaiian Islands MANSFIELD, Texas — Master Meter, a leading provider of advanced water measurement technologies and smart water solutions, is pleased to announce Honua Waterworks as its new ...

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News

Master Meter Expands North American Distribution Network Through Exclusive Partnership with ETNA Supply

By Master Meter
2 min read
Jul 31, 2026

Partnership strengthens local support and expands access to smart water solutions across the Upper Midwest MANSFIELD, Texas — Master Meter, a leading provider of advanced water measurement technologies and smart water solutions, today announced an exclusive distribution partnership with ETNA ...

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