Thermal Mass Flow Meter

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  • Tianjin Yiman Instrument Technology Co., Ltd.
  • 86-13752432312info@tjymybym.com
  • No. 10 Jifeng Road, Beicang Town, Beichen District,Tianjin, China
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    Thermal Mass Flow Meter

    Material: SUS304
    Medium: All gas (except acetylene gas)
    Output: Pulse, 4-20mA, RS485
    Power: 24VDC or 220VAC

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    1.Product Introduction

    Thermal mass flow meter is based on the principle of thermal conduction for measurement. In the field of gas mass flow measurement, especially in situations where low pressure loss, wide range ratio and micro-flow measurement are required, it has irreplaceable advantages. It is an efficient, energy-saving and powerful tool in gas flow measurement.

    2.Main Features

    1) Directly measure the mass flow of gas
    It can directly output the volume flow or mass flow under standard conditions without the need for temperature and pressure compensation like other flowmeters. This simplifies system configuration, improves measurement accuracy and efficiency, especially suitable for trade settlement and strict process control.

    2) No moving parts, high reliability
    thermal mass flowmeter has no movable parts, a sturdy structure, is not easily worn, has a long service life, and requires very little maintenance.

    3) Wide range ratio

    The range of thermal mass flowmeter can usually reach 100:1. This means that it can accurately measure both small flow rates (such as pipeline leaks) and large flow rates at full scale, with extremely high application flexibility.

    4) Wide range of applicable pipe diameters
    From DN15 to DN1500, thermal mass flowmeters (especially insertion type) can be used for measurement, and the cost advantage is significant in applications with large pipe diameters.

    5) High precision and good repeatability
    For the measurement of clean gas, it can achieve high precision and excellent repeatability.

    3.Technical Specification

    Diameter DN15-500 (Flange type), DN80-1500 (Insert type)
    Medium All kinds of gases (except acetylene gas)
    Flow rate 1 ~ 100 Nm/s
    Accuracy ±1 ~ 2.5%
    Working temperature Sensor :-40 ~ +220℃  Converter :-20 ~ +45℃
    Working pressure Insertion Sensor: medium pressure≤ 1.6MPa

    Flanged Sensor: medium pressure≤ 1.6MPa

    Special pressure please contact us

    Power 24VDC or 220VAC
    Output 4-20mA/ Pulse /RS-485
    Structural form Plug-in type and Pipe type
    Pipeline materials Carbon steel, stainless steel, plastic, etc
    Display 4 lines LCD

    Mass flow, Volume flow in standard condition, Flow totalizer, Velocity, etc.

    Protection grade IP65

     4.Product application 

    Gas flow measurement is an application field of thermal mass flow meter.
    1)Compressed Air measurement and energy management:
    The compressed air consumption measurement of each workshop and equipment  within the factory is used for cost allocation and leakage detection.
    2) Combustion Control and energy gas measurement:
    Measure the mass flow rate of fuel gases such as combustion-supporting air (air), natural gas, coal gas, and hydrogen to optimize combustion efficiency.
    3) Environmental Monitoring and Process Control
    Flue gas/exhaust emission monitoring: Measure the flue gas flow in the CEMS system.
    Biogas and flare gas measurement: Measure the flow of biogas produced in sewage treatment, landfill sites and other places.
    4) Semiconductor and Electronics industry:
    Measure high-purity special gases, such as helium (He), argon (Ar), nitrogen (N2), etc.
    5) Chemical and Pharmaceutical industry:
    Measure various reaction gases and raw gas.

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    About Us

    Tianjin Yiman Instrument Technology Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, sales and service of industrial automation instruments. Founded in 2014, the company is committed to ensuring the trust foundation in industrial production processes through innovative and reliable precision measurement technology. We firmly believe that with advanced fluid measurement solutions, we can help our customers achieve operational excellence and sustainable development.

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    Contact Us

  • Tianjin Yiman Instrument Technology Co., Ltd.
  • 86-13752432312info@tjymybym.com
  • No. 10 Jifeng Road, Beicang Town, Beichen District,Tianjin, China
  • Copyright © 2025 Tianjin Yiman Instrument Technology Co., Ltd. All Rights Reserved.

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