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Gas Density measurement(ATEX)

2022-06-21153

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Overview

Measure the density of a gas directly in the gas line or in the gas tank. 


Principle

At the heart of the sensor is a microelectromechanical system (MEMS) with an oscillator in the form of a tuning fork. The natural frequency of the oscillator varies depending on the density of the gas surrounding it. 


Application

• Monitoring of welding gas mixtures

• Monitoring of gas mixtures for food packages

• Monitoring of clean gas

• Concentration of binary gas mixtures, ideal volume percentages (=molar percentages ) in %standard density

• Permitted gases or mixtures of such gases:

          Nitrogen (N2)

          Oxygen (O2)

           Air

          Carbon dioxide (CO2)

          Neon (Ne)

          Argon (Ar)

          Krypton (Kr)

          Xenon (Xe)

          Hydrogen (H2)

          Methane (CH4)

          Natural gas (maximum permitted helium concentration: 50 ppm)

          Ethyne (acetylene) (C2H2)

          Ethene (C2H4)

          Ethane (C2H6)

          Propene (C3H6)

          Propane (C3H8)

          Butane (C4H10)

          LPG (supplied as gas)

          Other media may be used after individual clarification.



Features

• Built-in flowmeterMulti-parameter measurement

     Measured variable:

     Density in kg/m³

     Temperature in °C

     Pressure in bar absolute

• Performance

     Accuracy of measurement:

          Density: <0,1 kg/m³

          Temperature: <0,8 °C

          Pressure: <0,04 bar

          With field calibration density: <0,05 kg/m³

     Repeatability:

          Density: <0,015 kg/m³

          Temperature: <0,06 °C

          Pressure: <0,005 bar

• Built-in flowmeter

     Built-in Thermal mass flowmeter

• Convenient

    The navigation menu contains 6 languages, which can be operated easily.

• Process safety

    4.3 or 7" large size color LCD touch screen, convenient and safe touch operation and debugging

    Large size screen with red flashing alarm, clearly visible from long distances and in dark areas

    Alarm immediately, safe the process

• Data alarm record

    Real-time data curve display

    Record function for up to 6000 alarms

• Expert calibration function

   Multi-point calibration function up to 9 point

• Powerful self-diagnosis function

    Built-in heartbeat monitoring function and watchdog

    Monitor the status of analyzer and sensors, and promptly remind customers to take necessary maintenance

    High-standard hardware and software security and password protection

• Powerful control function

    High(low) limit control function

    Optional: Timer control(automatic cleaning) function

    Optional: analog PID control function

    Optional: PWM control function

• Flexible fieldbus communication functions for IOT4.0

    Optional fieldbus MODBUS, HART, Foundation Fieldbus FF, PROFIBUS PA, PROFIBUS DP, etc.

现场

• ATEX EExd II CT4 Optional


Measurement parameters and ranges

• Density: <0.1 kg/m³

• Temperature: <0.8°C

• Pressure: <0.04 bar

• On-site calibration density: <0.05 kg/m³



Product datasheet: Gas Density Analyzer/meter , if you need more information, please contact us at info@mzdd.de.



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