Products catalog

  • Gas | oxygen | nitrogen flow meter | sensor | 0~250L/min | IP50

    Code: EL-MF5712

    A compact and reliable gas flow meter designed for accurate measurement of oxygen, nitrogen, and other neutral gas flows in industrial and laboratory environments. The device supports RS485 Modbus communication as well as wireless technologies – LoRa and NB-IoT – ensuring flexible data transmission even in remote areas. Power supply can be provided either by 4xAA batteries or via a 5–24 VDC input. The integrated LCD display allows real-time monitoring of measurement data on site.

  • Technical Specifications:

    Flow measurement range: 0–250 L/min

    Accuracy: ±2.0% + 0.5% FS

    Operating temperature: -10 °C ~ +55 °C

    Storage temperature: -20 °C ~ +70 °C

    Maximum pressure: 0.8 MPa

    Humidity resistance: <95% RH (non-condensing)

    Protection rating: IP50

    Power supply: 4xAA batteries (not included) or 5–24 VDC

    Outputs: RS485 Modbus, LoRa, NB-IoT

    Connection: BSPP 1/2" or NPT 1/2"

    Display: LCD screen for real-time data display

    Functions:

    Accurate measurement of oxygen and nitrogen gas flow

    RS485 Modbus protocol for industrial integration

    Wireless communication options via LoRa and NB-IoT networks

    Real-time data visualization on LCD screen

    Flexible power options: batteries or DC power source

    Compact design, easy system integration

    Dust resistance (IP50), suitable for indoor use

    Applications:

    Industrial gas supply systems

    Laboratories

    Hospitals (oxygen supply monitoring)

    Energy sector

    Environmental monitoring

    Manufacturing processes requiring gas flow measurement and monitoring

    Pros:

    High accuracy across a wide flow range

    Integrated modern communication technologies (LoRa, NB-IoT)

    Easy installation and operation

    Can operate on batteries or DC power

    Convenient real-time data viewing via LCD screen

    Cons:

    IP50 protection limits use outdoors or in humid environments

    Batteries are not included (must be purchased separately)

    Gas flow exceeding 0.8 MPa can damage the device

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.
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