Gas flow meters

Versatile ultrasonic gas flow meter for gas production

  • At a glance
    • Reliable and continuous readings
    • Hermetically sealed full-titanium transducers
    • Loop-powered two-wire transmitter with digital HART® interface
    • Turndown ratio ≥ 80:1
    • ANSI Class 150 carbon steel meter body without welds
    • Rugged design with integrated wires
    • Smart meter diagnostics
    • Integrated temperature transmitter as a standard
    Your Benefits
    • High uptime of wells – Minimized meter scaling and long-term stable readings
    • High field reliability and continuous readings – Titanium transducers and 30 years of experience in ultrasonic gas flow metering
    • Reduced maintenance – Smart meter diagnostics allow for long unmanned operation
    • A meter for well lifetime – Turn-down ratio ≥ 80:1 covers all well flow rates
    • Long service-life – Rugged meter design with integrated wires
    • Fast, easy and secure integration into wellhead skids
    • Low installation effort – Loop-powered two-wire concept requires minimal RTU infrastructure
    • Easy remote monitoring – User-friendly device software
    Versatile ultrasonic gas flow meter for gas production

    Ultrasonic gas flow meter FLOWSIC30 is designed for use in natural gas production applications such as coal bed methane. The dual-path meter comes with a robust carbon steel meter body and full-titanium transducers. The ultrasonic measurement technology has no moving parts and is virtually maintenance free. The rugged design with integrated wires protects the meter from harsh ambient conditions while the large turn-down ratio typically covers all flow rates from a gas production well. FLOWSIC30 is equipped with integrated diagnostics that monitor the meter status and indicate the presence of liquids in the gas stream. With integrated temperature measurement and volume conversion according AGA 8 it provides standard flow readings and reduces installation efforts. Power consumption of only 65 mW and the two-wire loop powered concept make integration easy while HART® and Modbus communication provide versatility in data transfer.

    • Technical data overview
      Measured valuesGas volume s. c., gas volume a. c., error volume a. c., error volume s. c., volumetric flow s. c., volumetric flow, a. c., gas temperature, sound velocity
      Number of measuring paths2
      Hazardous area



      Gas temperature–10 °C ... +80 °C
      Operating pressure0 bar (g) ... 19.6 bar (g)
      Nominal pipe sizeDN100 / 4 inch, schedule STD
      Enclosure ratingIP66 / IP67
      Type of fieldbus integrationRTU RS-485
      ASCII RS-485
      Diagnostics functions

      Integrated device diagnosis

      Liquid indication

The exact device specifications and performance data of the product may deviate from the information provided here, and depend on the application in which the product is being used and the relevant customer specifications.
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Gas flow meters
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