CL-G is suitable for natural gas metering for end users of city gas, especially for custody transfer metering for users of small-scale industry, commerce and catering services, and can meet the multi-needs of gas metering, management, charging, output difference and safety analysis" />

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Home Product Center>CL Series Ultrasonic Gas Flowmeter
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CL-G Ultrasonic Gas Flowmeter

Product Introduction
CL-G ultrasonic gas flowmeter for commercial IoT is a new dual-path commercial product with independent intellectual property rights launched by China Weise. On the basis of 20 years' research on ultrasonic metering technology, China Weise developed this product by using advanced metering technology and management concepts such as micro-power consumption IC chip integration technology, Internet of things technology, cloud computing and so on. It represents the future direction of natural gas metering, intelligent management and intelligent energy management for commercial users of city gas.
CL-G is suitable for natural gas metering for end users of city gas, especially for custody transfer metering for users of small-scale industry, commerce and catering services, and can meet the multi-needs of gas metering, management, charging, output difference and safety analysis
Product catalog
Online consultation

Product Details

  • Technical Parameter
  • Flow Range
  • Installation Indication
  • Technological Advantage

  • The Main technical parameters

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    Measurement Medium

    Natural gas， coal gas

    Installation Type

    Threaded connection

    Number of paths

    For Gb and below is single path； For G6 and above are 2 paths

    Measuring range

    0-25m/s

    Resolution

    0.001m/s

    Accuracy

    1.5 class

    Repeatability

    Qt~Qmax s 0.3%;Qmin~Qt 0.6%

    Transitional flow-rate

    Qt< 10%Qmax

    Overload capacity

    > 120%Qmax(no effect for short time)

    Type specification

    G4、G6、G10、G16、G25、G40

     Working pressure

    70-120kPa（absolute P)

    Transducer material

    All metal(316SS， titanium alloy) material

    Material of meter body

    aluminum alloy

    Environment temperature

     -25~55℃

    Lithium battery life

    Double lithium power supply， for metering can be used for 10 years； Used for wireless communication once/day， can be used for 3 years

    switch control valve

    built-in motor valve which could remote control switch

    remote transmission mode

    NB-IOT module has been included in 10 years of communication charges(LoRa， 4G for option )

    Other instructions

    Internet of things prepaid and other functions for option



    Certification

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    Metering certification

    Metering type approval certificate CPA certification

    Ex Class

    Ex ib lIBT4 Gb

    IP Class

    IP65


  • Type

    Accuracy

    Nominal Diameter

    Nominal Pressure

    CL-G

    1.5class

    G4

    0.04～6

    G6

    0.06～10

    G10

    0.1～16

    G16

    0.16～25

    G25

    0.25～40

    G40

    0.40～65


  • 圆点2.png

    Installation structure dimensions of CL-G ultrasonic flowmeter


    Nominal Diameter

    Flow Range[m3/h]

    Outline Dimension L*B*H(mm)

    interface size D

    Interface center distance S (mm)

    CL-G4

    0.04-6

    180×94×127

    M30

    130

    CL-G6

    0.06-10

    200×113×160

    G 1 1/4 " "

    130

    CL-G10

    0.1-16

    242×143×165

    G 1 1/4 "

    160

    CL-G16

    0.16-25

    242×143×165

    G 1 1/2 "

    160

    CL-G25

    0.25-40

    340×183×254

    G 2 "

    220

    CL-G40

    0.4-65

    334×230×278

    G 2 1/2 "

    220

    Note: DN200 and above are customized specifications ，please consulting manufacturers.

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  • 圆点.png  The core technology of ultrasonic measurement module is completely domestic independent intellectual property rights

    圆点.png  Two paths measurement integrated flow design, measurement is more accurate and reliable

    圆点.png  Ultra-wide range ratio which can capture small flow, prevent small flow gas theft

    圆点.png  Equipped temperature and pressure sensor that could take automatic temperature and pressure compensation

    圆点.png  Stationary electronic instrument, no mechanical wea r, anti-electromagnetic interference, long service life

    圆点.png  The built-in NB-IoT module and integration unit can synchronize the clock with the cloud, freeze the data such as flow, temperature and pressure, and store as well as synchronize all the data to the cloud server with a time stamp

    圆点.png  With built-in LCD display, you can remotely manage the ladder rate, adjust the instrument coefficient and switch valve through the cloud server

    圆点.png  It can send alarm with meter failure, gas theft, meter removal and so on

    圆点.png  You can recharge remotely

    圆点.png  The safety function could judge the abnormal flow and duration of the gas meter in the application, realizing the threshold judgment of all kinds of abnormal flow phenomenon and automatically close the valve, so as to improve the safety of gas usage


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