Digital Gas Transmitter

Digital Gas Transmitter
Digital Gas Transmitter
Price And Quantity
  • Piece/Pieces
  • 1
  • Piece/Pieces
  • 18500.00-
    Product Specifications
    • one year
    Product Description
    A digital gas transmitter is a device used to measure and transmit data about the concentration of a specific gas in the air or a particular environment. These transmitters are commonly used in various industries, including industrial manufacturing, oil and gas, chemical processing, environmental monitoring, and indoor air quality control.

    Here's how a typical digital gas transmitter works:

    1. Gas Sensing Element: The transmitter contains a gas sensing element that is specific to the target gas. This sensing element is designed to interact with the gas of interest and produce an electrical signal proportional to the gas concentration.

    2. Signal Processing: The electrical signal from the gas sensing element is processed by internal circuitry. In a digital transmitter, this processing is often done by an onboard microcontroller or digital signal processor (DSP).

    3. Calibration and Compensation: To ensure accuracy and reliability, the digital transmitter is usually calibrated before deployment. Calibration involves exposing the sensor to known gas concentrations to create a baseline reference for accurate measurements. Additionally, the transmitter may compensate for temperature, humidity, and other environmental factors that could affect the gas sensor's performance.

    4. Digital Communication: As the name suggests, digital gas transmitters communicate data digitally. They may use various communication protocols, such as Modbus, HART, Profibus, Foundation Fieldbus, or proprietary protocols, to transmit the gas concentration data to a central control system or a monitoring station.

    5. Display and User Interface (Optional): Some digital gas transmitters come with a built-in display and user interface, allowing operators to see real-time gas readings, configure settings, and access diagnostics locally.

    6. Alarm Outputs: Digital gas transmitters often have programmable alarm outputs. If the gas concentration exceeds pre-set thresholds, the transmitter can trigger visual or audible alarms or send signals to safety systems, initiating emergency procedures.

    7. Power Supply: The transmitter is typically powered by a stable power source, such as 24V DC, provided by the control system or an external power supply.

    Advantages of Digital Gas Transmitters:

    1. Higher accuracy and reliability compared to analog gas detectors.

    2. Digital communication allows for more straightforward integration into control systems and SCADA (Supervisory Control and Data Acquisition) systems.

    3. Advanced diagnostic capabilities to monitor sensor health and system status.

    4. Easy configuration and remote monitoring possibilities.

    Digital Gas Transmitter Specifications:


    DCS,PLC & Ambetronics


    Less than 3.6 Watts.

    Output Value

    4-20mA / 20-4mA


    Gas Metering,Oil & Gas Industry,Burner / Furnace Areas.




    125 mm


    Cast Aluminium alloy,LM-6


    190mm (H) with sensor holder

    Product Weight

    Approx 2.53 Kg


    Wall Mounting / Stand Mounting / Pipe Mounting

    Protection Type

    IP-66 and for Zone 1 & 2 Gas Group IIC atmosphere; CMRI tested enclosure

    Rated Supply Voltage

    Typically 24VDC

    Supply Voltage Limits

    18 to 36 VDC


    215 mm (W) with stopper plug & cable gland

    Temperature resistant

    Up to 150 deg C




    Q. What is a digital gas transmitter?

    Ans: A digital gas transmitter is a device used to measure and transmit data about the concentration of a specific gas in the air or a particular environment. It employs digital technology to process the gas sensor's output and communicates the measured data to a central control system or monitoring station.

    Q. How does a digital gas transmitter differ from an analog gas detector?

    Ans: Analog gas detectors provide continuous voltage or current output proportional to the gas concentration, while digital gas transmitters process the sensor data digitally and communicate it in discrete packets. Digital transmitters typically offer higher accuracy, advanced diagnostic capabilities, and easier integration into control systems.

    Q. What gases can a digital gas transmitter detect?

    Ans: Digital gas transmitters are available for various gases, including but not limited to carbon dioxide (CO2), methane (CH4), carbon monoxide (CO), hydrogen sulfide (H2S), oxygen (O2), ammonia (NH3), and volatile organic compounds (VOCs).

    Q. How is a digital gas transmitter calibrated?

    Ans: Calibration involves exposing the gas sensor to known gas concentrations to create a reference for accurate measurements. Manufacturers usually provide calibration instructions, and some transmitters may have automatic calibration features.

    Q. What communication protocols do digital gas transmitters use?

    Ans: Digital gas transmitters can use different communication protocols, such as Modbus, HART, Profibus, Foundation Fieldbus, or proprietary protocols, to transmit gas concentration data to control systems or monitoring stations.

    Q. Can digital gas transmitters be used for outdoor applications?

    Ans: Yes, digital gas transmitters can be used in both indoor and outdoor applications. However, for outdoor use, the transmitter should be housed in weatherproof or explosion-proof enclosures to protect it from environmental elements.

    Q. How often should digital gas transmitters be maintained?

    Ans: Regular maintenance is essential to ensure the accuracy and reliability of digital gas transmitters. The maintenance schedule may vary based on the manufacturer's recommendations and environmental conditions but typically includes sensor calibration and inspection.

    Q. Can digital gas transmitters be remotely monitored?

    Ans: Yes, many digital gas transmitters offer remote monitoring capabilities, allowing users to access real-time gas concentration data and receive alerts via computer systems or mobile devices.

    Q. What are the typical power requirements for digital gas transmitters?

    Ans: Digital gas transmitters are typically powered by a stable power source, such as 24V DC. Some transmitters may have low-power consumption features to extend the life of the power supply.

    Q. Are digital gas transmitters suitable for hazardous environments?

    Ans: Yes, there are digital gas transmitters designed for use in hazardous environments, and they are often rated as explosion-proof to ensure safe operation in such settings.

    Trade Information
    • Cheque
    • 300 Per Day
    • 1 Week
    • Asia
    • All India
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