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Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

(800) 616–3837

Industrial Ultrasonic Flow Meters

E-Series G2® Ultrasonic meter for industrial applications uses solid-state technology in compact, tamper-protected, weatherproof and UV-resistant housing, suitable for building and property management flow measurement and totalizing applications. With a variety of output options, these meters provide simple integration into building management systems or AquaCUE® Flow Measurement Manager.

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  • Size Range
    15…203 mm
    5/8…8 in.
  • Temperature Range
    1…60° C
    34…140° F
  • Flow Range
    0.009…796 m³/h
    0.04...3500 gpm
  • Pressure Range
    Up to 12 bar
    Up to 175 PSI
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No Moving Parts. Greater Reliability.

E-Series inline ultrasonic meters for industrial applications perform under a variety of conditions.  

  • Wide Flow Range. Measuring low and high flows, these meters accurately capture variable flows common in commercial and residential buildings.
  • Robust Design. No moving parts to wear and fully potted electronics prolongs the meter life.
  • Smart Water Ready. Connects to AquaCUE® Flow Measurement Manager for greater visibility over water resources


Product Specifications

Download CSI Specifications
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  • Size Range
    15.87 mm, 15.8 x 19.05 mm, 19.05 mm, 25.4 mm, 50.8 mm, 76.2 mm, 101.6 mm, 152.4 mm and 203.2 mm
    5/8 in., 5/8 x 3/4 in., 3/4 in., 1 in., 2 in., 3 in., 4 in., 6 in.
    and 8 in.
  • Temperature Range
    1...60° C
    34...140° F
  • Flow Range
    0.009…796 m³/h
    0.04...3500 gpm
  • Pressure Range
    Up to 12 Bar
    Up to 175 PSI
  • Power Supply
    3.6-volt lithium thionyl chloride battery (10-year battery life)
    3.6-volt lithium thionyl chloride battery (10-year battery life)
  • Accuracy
    ±1.5% over the normal flow range
    ±3.0% from the extended low flow range to the minimum flow value
    ±1.5% over the normal flow range
    ±3.0% from the extended low flow range to the minimum flow value

Market Applications

  • HVAC Systems

    Integrating metering components with flow, temperature and water quality sensors allows facility managers to measure energy costs for hydronic chilled and hot water applications. Our instrumentation accurately measures flow and water quality, delivering energy-efficient solutions with proactive prevention against corrosion within closed-loop systems, protecting the lifespan of HVAC systems and increasing sustainability.

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  • Property Operations

    Badger Meter provides solutions for every phase in a property’s lifecycle, from new construction to retrofit, building services, grounds and irrigation management and gas detection. Our unique portfolio of flow and energy instrumentation, water quality sensing, cloud-based software platforms and toxic and combustible gas detection, provides versatile solutions for process optimization and control, while streamlining costs, ensuring regulatory compliance and extending the useful life of assets.

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  • Data Centers

    Data centers rely on vast cooling and water management systems to maintain uptime, efficiency and equipment integrity. These systems consume and recirculate large volumes of water, where even small inefficiencies can drive up operational costs and environmental impact. Advanced flow metering, water quality monitoring and gas monitoring technologies are essential for promoting precise water use, optimizing cooling system performance and supporting sustainability goals. Continuous, real-time data empowers operators to detect anomalies early, maintain consistent system efficiency and meet evolving compliance standards.

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Product Documentation

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Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

(800) 616–3837