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CNGmass
Coriolis flowmeter

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

CNGmass - The flowmeter for accurate measurement of compressed natural gas (CNG) in high pressure refueling applications.

The Coriolis Flow Measuring Principle

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

Refueling application flowmeter with easy system integration

When it comes to billing and paying for the amount of CNG actually pumped, the measuring accuracy at the dispenser is just as important as with any other fuel. Therefore, the “brain” in every CNG dispenser is a flowmeter that measures the quantity of fuel transferred from dispenser to vehicle with the absolute highest accuracy – reliability day in, day out, round the clock. These are some of the benefits of CNGmass, which has been specifically designed for such applications.

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Handle your core processes easily

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Optimize your processes with innovative technologies

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Master your most challenging applications

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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 +125 °C (–58 to +257 °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

    • Easy operation – reduced to application needs

    • Fast commissioning – pre-configured devices

    • ...

  • 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 easy 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). Spacesaving 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

    Easy operation – reduced to application needs. Fast commissioning – pre‐configured devices. Automatic recovery of data for servicing. Robust, ultra‐compact transmitter housing. Pulse output 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

  • 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 +125 °C (–58 to +257 °F)

  • Ambient temperature range

    –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

  • Display/Operation

    No local operation
    Configuration via operating tools possible

  • Outputs

    Pulse/frequency/switch output (passive), phase‐shifted pulse

  • Inputs

    None

  • Digital communication

    Modbus RS485

  • Power supply

    DC 10 to 30 V AC 20 to 28 V

  • Hazardous area approvals

    ATEX, IECEx, NEC/CEC, FM, CSA, NEPSI, UL

  • Metrological approvals and certificates

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

    PTB, BEW, LNE, Rosstandart, NTEP approvals

  • Pressure approvals and certificates

    CRN

  • Material certificates

    3.1 material

  • Measuring principle

    Coriolis

  • Product headline

    The refueling application flowmeter with easy 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). Spacesaving 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

    Easy operation – reduced to application needs. Fast commissioning – pre‐configured devices. Automatic recovery of data for servicing. Robust, ultra‐compact transmitter housing. Pulse output 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

  • 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 +125 °C (–58 to +257 °F)

  • Ambient temperature range

    –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

  • Display/Operation

    No local operation
    Configuration via operating tools possible

  • Outputs

    Pulse/frequency/switch output (passive), phase‐shifted pulse

  • Inputs

    None

  • Digital communication

    Modbus RS485

  • Power supply

    DC 10 to 30 V AC 20 to 28 V

  • Hazardous area approvals

    ATEX, IECEx, NEC/CEC, FM, CSA, NEPSI, UL

  • Metrological approvals and certificates

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

    PTB, BEW, LNE, Rosstandart, NTEP approvals

  • Pressure approvals and certificates

    CRN

  • Material certificates

    3.1 material

Documents / Manuals / Software

  • CNGmass Technical Information

    Coriolis flowmeter
    The refueling application flowmeter with easy system integration

    Technical Information (TI)
  • CNGmass MODBUS RS485 Operating Instractions and Description of Device Functions

    Coriolis flowmeter
    For fueling with Compressed Natural Gas (CNG)

    Operating Instruction (BA)
  • CNGmass Brief Operating Instructions

    Coriolis flowmeter

    Short Instruction (KA)
    09/15
    English
  • Safety Instructions for Spare Parts Installation Instructions

    Flowmeter

    Installation Instructions (EA)
  • Replacing electronics module Installation Instructions

    CNGmass 8FF, LPGmass 8FE, Cubemass 8CM

    Installation Instructions (EA)
  • Replacing cover and O-ring Installation Instructions

    romag 10, 23, 50, 51, 53, 55, 400, 800, Promass 40, 80, 83, 84, 8ME,
    CNGmass 8FF, LPGmass 8FE, Cubemass 8CM, Prosonic Flow 90, 91,9
    2, 93, t-mass 65, Prowirl 72, 73

    Installation Instructions (EA)
  • Exchanging lead seal Installation Instructions

    Promag 51, Promass 84, CNGmass DCI 8DF, LPGmass 8FE, CNGmass 8FF

    Installation Instructions (EA)
  • CNGmass ATEX II2GD IECEx Zone 1, 21 Ex-documentation

    Ex-Dokumentation zur Betriebsanleitung:
    Ex documentation for the operating instruction:
    Documentation Ex relative à la mise en service:
    BA00123D

    Ex Safety Instructions (XA)
  • CNGmass Division 1 Ex documentation

    Safety instructions for electrical apparatus for explosion-hazardous
    areas classified
    according to the National Electrical Code (NEC) and Canadian Electrical
    Code (CEC)

    Ex Safety Instructions (XA)
  • CNGmass Division 1 Ex documentation

    Ex documentation for Operating Instructions BA123D

    Ex Safety Instructions (XA)
  • CNGmass NEPSI Zone 1, 21 Ex documentation

    Ex documentation for the operating instruction:
    BA00123D

    Ex Safety Instructions (XA)
  • CNGmass NEC/CEC Division 1 Ex-documentation

    Ex documentation for the operating instruction:
    BA00123D

    Ex Safety Instructions (XA)
  • Change of Directives Special Documentation

    Change of Directives

    Special Documentation (SD)
  • Pomiary przeplywu cieczy, pary i gazow. Oferta produktow i uslug

    Pomiary przeplywu cieczy, pary i gazow. Oferta produktow i uslug

    Fields of Activities (FA)
    11/13
    Polish
  • Flow measurement in utilities - for the US Market

    Energy management in your hands - customized solutions for
    compressed air, gas, steam and water

    Competence Brochure (CP)
    12/10
    English
  • Kompetenzbroschüre – Betanken und Befüllen mit Treibstoffen leicht gemacht

    Präzise Durchflussmessung für Erdgas (CNG), Flüssiggas (LPG, LNG)
    sowie AdBlue

    Competence Brochure (CP)
    11/14
    German
  • Competence brochure – Refueling and filling made easy

    Accurate flow measurement for natural gas (CNG), liquefied gas (LPG,
    LNG) and AdBlue

    Competence Brochure (CP)
    11/14
    English
  • Modern measurement on filling machines

    Filling, cleaning and sterilization

    Competence Brochure (CP)
    07/10
    English
  • Product Family: CNGmass, LPGmass

    Product Code: 8FE-, 8FF-
    Declaration Number: IP 67

    Manufacturer Declaration
    German , English
  • CNGmass

    Product Code: 8FF-

    Manufacturer Declaration
    German , English , fr
  • CNGmass

    Product Code: 8FF-
    Declaration Number: EC_00228_01.16

    EU Declaration
    German , English , fr
  • CNGmass, LPGmass

    Product Code: 8FE-, 8FF-
    Declaration Number: EC_00229_01.16

    EU Declaration
    German , English , fr
  • Promass X, Promass S, Promass Q, Promass P, Promass O, Promass K, Promass I, Promass H, Promass G, Promass F, Promass E, Promass A, Promass 84, Promass 83, Promass 80, Promass 40, LPGmass, CNGmass

    Product Code: 8O1B-, 8K1B-, 8I5B-, 8I3B-, 8I1B-, 8H5B-, 8H3B-, 8H1B-, 8G1B-, 8FF-, 8FE-, 8F5B-, 8F3B-, 8F1B-, 8O3B-, 8O5B-, 8P1B-, 8P3B-, 8P5B-, 8Q3B-, 8Q5B-, 8S1B-, 8S1C-, 8S3B-, 8S5B-, 8X3B-, 8X5B-, D8CB-, 40E-, 80A-, 80E-, 80F-, 80H-, 80I-, 80P-, 80S-, 83A-, 83E-, 83F-, 83H-, 83I-, 83P-, 83S-, 83X-, 84A-, 84F-, 84X-, 8A1B-, 8A3B-, 8A3C-, 8A5B-, 8A5C-, 8DF-, 8E1B-, 8E3B-, 8E5B-
    Region/Country: Russia (TR CU)
    Approval Agency: EAC
    Approval Number: EAEC N RU D-CH.AD07.B.02228/20

    Miscellaneous
    Russian
  • CNGmass, LPGmass

    Product Code: 8DF-, 8FF-, D8CB-, OD8CB-
    Region/Country: Russia (Declaration of Conformity), Russia (TR CU)
    Approval Agency: EAC
    Approval Number: RU D-CH.MO10.B.06660

    Miscellaneous
    Russian
  • CNGmass, LPGmass

    Product Code: 8DF-, 8FE-, 8FF-
    Region/Country: Russia (TR CU)
    Approval Agency: EAC
    Approval Number: TC BY_112 11.01. TP020 003 137

    Miscellaneous
    Russian
  • CNGmass, LPGmass

    Product Code: 8FE-, 8FF-
    Region/Country: Canada, USA
    Approval Agency: CSA

    Explosion Protection
    English
  • CNGmass, LPGmass

    Product Code: 8FE-, 8FF-
    Region/Country: South Korea
    Approval Agency: KTL
    Protection: Ex d [ia]

    Explosion Protection
  • CNGmass, LPGmass

    Product Code: 8FE-, 8FF-
    Protection: Ex d [ia] IIC T6...T1 Gb, Ex d [ia] IIC IIC Gb, Ex e mb [ia] IIC T6...T1 Gb, Ex e mb [ia] IIC IIC Gb, Ex tb IIIC Txxx°C Db, Ex d [ia Ga] IIC IIC Gb, Ex tb [ia Da] IIIC Txxx°C Db

    Explosion Protection
    Russian
  • CNGmass

    Product Code: 8FF-
    Region/Country: Canada, USA
    Approval Agency: UL
    Category: I/1/A,B,C,D/

    Explosion Protection
    English
  • Promass 83, CNGmass, Cubemass, Promass 40, Promass 80, Promass 84

    Product Code: 83F-, 83E-, 83S-, 83I-, 83A-, 83P-, 83M-, 83H-, 80F-, 80E-, 80S-, 80P-, 80I-, 80A-, 80H-, 83X-, 83O-, 80M-, 40E-, 84F-, 84A-, 84M-, 84O-, 84X-, 8CN-, 8CM-, 8DF-, 8FF-
    Region/Country: India
    Approval Agency: CC(O)E
    Category: zone 1

    Explosion Protection
    English
  • CNGmass, Cubemass, LPGmass

    Product Code: 8CM-, 8DF-, 8FE-, 8FF-
    Region/Country: China
    Approval Agency: NEPSI
    Protection: Ex tD A21 IP6X, Ex d e ia mb, Ex d ia

    Explosion Protection
    English
  • CNGmass, LPGmass

    Product Code: 8FE-, 8FF-
    Region/Country: USA
    Approval Agency: UL
    Category: I/2/A,B,C,D/T4

    Explosion Protection
    English
  • CNGmass, Cubemass, LPGmass

    Product Code: 8FE-, 8FF-, 8CM-
    Region/Country: USA
    Approval Agency: FM
    Category: I/1/A,B,C,D/Txxx°C, II,III/1/E,F,G/Txxx°C
    Protection: XP/IS, IS/DIP

    Explosion Protection
    English
  • CNGmass, LPGmass

    Product Code: 8FE-, 8FF-
    Region/Country: Canada, USA
    Approval Agency: FM
    Category: II,III/1/E,F,G/T, I/2/A,B,C,D/T
    Protection: DIP, NI

    Explosion Protection
    English
  • CNGmass, Cubemass, LPGmass

    Product Code: 8CM-, 8FE-, 8FF-
    Region/Country: International (IECEx)
    Approval Agency: PTB
    Protection: Ex tb

    Explosion Protection
    English
  • CNGmass, LPGmass

    Product Code: 8FE-, 8FF-
    Region/Country: USA
    Approval Agency: FM
    Category: I/2/A,B,C,D/Txxx°C, II,III/1/E,F,G/Txxx°C
    Protection: DIP, NI

    Explosion Protection
    English
  • CNGmass, LPGmass

    Product Code: 8FF-, 8FE-
    Region/Country: Europe (ATEX)
    Approval Agency: PTB
    Category: II 2 G, II 2 D
    Protection: Ex d [ia], Ex tD A21 IP6X

    Explosion Protection
    German , English
  • Promass 83, CNGmass, Cubemass, Promass 40, Promass 80, Promass 84

    Product Code: 83F-, 83E-, 83S-, 83I-, 83A-, 83P-, 83H-, 80F-, 80E-, 80S-, 80P-, 80I-, 80A-, 80H-, 83X-, 83O-, 40E-, 84F-, 8FF-, 8DF-, 8CN-, 8CM-, 84X-, 84O-, 84A-
    Region/Country: South Africa
    Approval Agency: SABS
    Category: zone 21, zone 1, zone 0,1
    Protection: Ex ia tb, Ex tb [ia Da], Ex d e [ia Ga], Ex d [ia Ga], Ex tb, Ex ia, Ex d e [ia], Ex d [ia]

    Explosion Protection
    English
  • CNGmass, LPGmass

    Product Code: 8DF-, 8FE-, 8FF-
    Region/Country: Russia
    Approval Agency: Rosstandart
    Approval Number: CH.C.29.004.A № 54335_1

    Metrology
    Russian
  • CNGmass

    Product Code: 8FF-
    Region/Country: France
    Approval Agency: LNE
    Approval Number: LNE 16574

    Metrology
    fr
  • CNGmass

    Product Code: 8FF-
    Region/Country: Europe
    Approval Agency: NMi Certin
    Approval Number: TC10997

    Metrology
    English
  • CNGmass

    Product Code: 8FF-
    Region/Country: Europe
    Approval Agency: PTB
    Approval Number: 5.411 / 07.19

    Metrology
    German
  • CNGmass

    Product Code: 8DF-, 8FF-, D8CB-
    Region/Country: USA
    Approval Agency: NTEP
    Approval Number: NTEP 07-006A3

    Metrology
    English
  • CNGmass

    Product Code: 8FF-
    Region/Country: Europe
    Approval Agency: NMi Certin
    Approval Number: R139/2014-NL1-17.01

    Metrology
    English
  • CNGmass

    Product Code: 8FF-
    Region/Country: Austria
    Approval Agency: BEV
    Approval Number: GZ 2091/2007

    Metrology
    German
  • CNGmass

    Product Code: 8FF-
    Region/Country: Switzerland
    Approval Agency: metas
    Approval Number: CH-G4-07406-01

    Metrology
    German

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