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CNGmass DCI
Coriolis flowmeter

Picture of Coriolis flowmeter CNGmass DCI / 8DF for measurement of compressed natural gas (CNG) ©Endress+Hauser

The CNGmass DCI is specially designed for refueling with environmentally friendly natural gas (CNG).

The Coriolis Flow Measuring Principle

  • Picture of Coriolis flowmeter CNGmass DCI / 8DF for measurement of compressed natural gas (CNG)

Refueling application flowmeter with seamless system integration

CNGmass DCI is specially designed for refueling with environmentally friendly natural gas (CNG). The natural gas volume can be both measured with precision and displayed directly onsite. The device is operated from the outside via “Touch Control” and can be operated at any time during maintenance. A MODBUS interface is included for optimal data exchange.

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  • Specs at a glance

    • Max. measurement error

      Mass flow: ±0.5 % of batch

    • Measuring range

      0 to 150 kg/min (0 to 330 lb/min)

    • Medium temperature range

      –50 to +150 °C (–58 to +302 °F)

    • Max. process pressure

      350 bar (5080 psi)

    • Wetted materials

      Measuring tube: 1.4435 (316L)
      Connection: 1.4404 (316)

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  • Benefits

    • Excellent operational safety – reliable under extreme process conditions

    • Fewer process measuring points – multivariable measurement (flow, density, temperature)

    • Space-saving installation – no in/outlet run needs

    • High flexibility in system integration –...

  • Field of application

    • Measuring principle operates independently of physical fluid properties such as viscosity or density

    • Accurate measurement of compressed natural gas (CNG) in high-pressure refueling applications.

    Device properties

    • Flow rates up to 150 kg/min (330 lb/min)

    • Process pressure up to 350 bar (5080...

Features and specifications

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Details

  • Measuring principle

    Coriolis

  • Product headline

    The refueling application flowmeter with seamless system integration. Accurate measurement of compressed natural gas (CNG) in high pressure refueling applications.

  • Sensor features

    Excellent operational safety – reliable under extreme process conditions. Fewer process measuring points – multivariable measurement (flow, density, temp). Space‐saving installation – no in/outlet run needs. Flow rates up to 150 kg/min (330 lb/min). Process pressure up to 350 bar (5080 psi).

  • Transmitter features

    High flexibility in system integration – wide range of communication interfaces. Fast commissioning – preconfigured devices. Automatic recovery of data for servicing. Device in compact or remote version. Flexible outputs and Modbus RS485.

  • Nominal diameter range

    DN 8 to 25 (⅜ to 1")

  • Wetted materials

    Measuring tube: 1.4435 (316L)
    Connection: 1.4404 (316)

  • Measured variables

    Mass flow, density, temperature, volume flow, corrected volume flow, reference density

  • Max. measurement error

    Mass flow: ±0.5 % of batch

  • Measuring range

    0 to 150 kg/min (0 to 330 lb/min)

  • Max. process pressure

    350 bar (5080 psi)

  • Medium temperature range

    –50 to +150 °C (–58 to +302 °F)

  • Ambient temperature range

    Standard: –20 to +60 °C (–4 to +140 °F)
    Option: –40 to +60 °C (–40 to +140 °F)

  • Sensor housing material

    1.4301 (304), corrosion resistant

  • Transmitter housing material

    Powder‐coated die‐cast aluminium

  • Degree of protection

    IP67, type 4X enclosure. Remote transmitter: IP67, type 4X enclosure

  • Display/Operation

    4‐line backlit display with touch control (operation from outside)
    Configuration via local display and operating tools possible

  • Outputs

    4 modular outputs:
    0‐20 mA (active)/4‐20 mA (active/passive)
    Pulse/frequency/switch output (passive), phase‐shifted pulse
    Relay

  • Inputs

    1 modular input: status

  • Digital communication

    HART, Modbus RS485

  • Power supply

    DC 16 to 62 V
    AC 85 to 260 V (45 to 65 Hz)
    AC 20 to 55 V (45 to 65 Hz)

  • Hazardous area approvals

    ATEX, IECEx, NEPSI, JPN

  • Other approvals and certificates

    3.1 material, calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025), custody transfer
    CRN

  • Metrological approvals and certificates

    Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025), custody transfer

  • Pressure approvals and certificates

    CRN

  • Material certificates

    3.1 material

  • Measuring principle

    Coriolis

  • Product headline

    The refueling application flowmeter with seamless system integration. Accurate measurement of compressed natural gas (CNG) in high pressure refueling applications.

  • Sensor features

    Excellent operational safety – reliable under extreme process conditions. Fewer process measuring points – multivariable measurement (flow, density, temp). Space‐saving installation – no in/outlet run needs. Flow rates up to 150 kg/min (330 lb/min). Process pressure up to 350 bar (5080 psi).

  • Transmitter features

    High flexibility in system integration – wide range of communication interfaces. Fast commissioning – preconfigured devices. Automatic recovery of data for servicing. Device in compact or remote version. Flexible outputs and Modbus RS485.

  • Nominal diameter range

    DN 8 to 25 (⅜ to 1")

  • Wetted materials

    Measuring tube: 1.4435 (316L)
    Connection: 1.4404 (316)

  • Measured variables

    Mass flow, density, temperature, volume flow, corrected volume flow, reference density

  • Max. measurement error

    Mass flow: ±0.5 % of batch

  • Measuring range

    0 to 150 kg/min (0 to 330 lb/min)

  • Max. process pressure

    350 bar (5080 psi)

  • Medium temperature range

    –50 to +150 °C (–58 to +302 °F)

  • Ambient temperature range

    Standard: –20 to +60 °C (–4 to +140 °F)
    Option: –40 to +60 °C (–40 to +140 °F)

  • Sensor housing material

    1.4301 (304), corrosion resistant

  • Transmitter housing material

    Powder‐coated die‐cast aluminium

  • Degree of protection

    IP67, type 4X enclosure. Remote transmitter: IP67, type 4X enclosure

  • Display/Operation

    4‐line backlit display with touch control (operation from outside)
    Configuration via local display and operating tools possible

  • Outputs

    4 modular outputs:
    0‐20 mA (active)/4‐20 mA (active/passive)
    Pulse/frequency/switch output (passive), phase‐shifted pulse
    Relay

  • Inputs

    1 modular input: status

  • Digital communication

    HART, Modbus RS485

  • Power supply

    DC 16 to 62 V
    AC 85 to 260 V (45 to 65 Hz)
    AC 20 to 55 V (45 to 65 Hz)

  • Hazardous area approvals

    ATEX, IECEx, NEC/CEC, NEPSI, JPN

  • Other approvals and certificates

    3.1 material, calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025), custody transfer
    CRN

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