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    Fixed Nitrogen Dioxide (NO2) Gas Detector, 0 to 100/500/1000 ppm

    $697.95
    Fixed nitrogen dioxide (NO2) gas detectors for detecting NO2 concentrations for sale, with optional measuring ranges from 0 to 100/500/1000 ppm. The NO2 leak detector has audible and visual gas alarm and data display functions, a unique infrared control function, which can control the equipment non-contactly, the signal output is optional 4-20mA and RS485, and the explosion-proof design is fast, reliable, and stable.
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    SKU: GD300-NO2
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    High-quality fixed nitrogen dioxide gas detectors with self-calibration and zero calibration functions, make the detection more accurate and reliable. Measuring ranges of 0-20, 0-50, 0-100, 0-500, 0-1000ppm, with temperature compensation for gas concentration under condensing conditions. The infrared controller can remotely control the gas alarm setting, and the gas leak detector can output one or two switching signals, which can drive the ventilator or solenoid valve and other external devices. Adopting original overseas gas sensors, it is compatible with various controlled alarms, PLC, DCS, and other control systems, and can be remotely monitored.

    Features

    • Adopting high precision sensor for accurate gas leak detection.
    • Equipped with 3-wire system 4-20mA analog output, relay output, RS485 output (optional).
    • Compatible with various controlled alarms, PLC, DCS and other control system, and can be remote monitored.
    • Explosion-proof design, fast, relaible and stable.
    • Infrared ray controller can remote control the alarm point settings, zero calibration, and address modification.
    • Two-stage alarm with sound and light, and the alarm point is settable.
    • With self-calibration function, and three standard keys will be used to realize on-site maintenance.
    • Can output one or two on-off signals, can drive ventilator, solenoid valve or other external devices.

    Specification

    Model GD300-NO2
    Detection Principle Electrochemistry
    Gas Nitrogen Dioxide (NO2)
    Range (Optional) 0 to 20 ppm, 0 to 50 ppm, 0 to 100 ppm, 0 to 500 ppm, 0 to 1000 ppm
    Resolution 0.01ppm (0-20/50ppm), 0.1ppm (0-100ppm), 1ppm (0-500/1000ppm)
    Accuracy ≤±3% F.S.
    Responce Time ≤10s
    Repeatability ≤±1%
    Recovery Time ≤10s
    Linearity Error ≤±1%
    Zero Shift ≤±1% (F.S./year)
    Signal Output (Optional) Note 4-20mA and RS485
    Relay output: one group of relay output (1NO+1NC, 24V 100mA) for one alarm (default), or two groups of relay output (2NO+2NC, 24V 100mA) for high/low alarm (optional).
    Alarms Sound, light
    Display High light nixie tube display
    Installation Wall-mounted, piping type, flow-type (according to the detected environment)
    Connection G1/2 is the inlet and outlet for power and signal lines
    Pipe-mounted type: The installation thread size of the instrument is M45*P2.0
    Operating Time 24h
    Explosion-proof Grade Ex d llC T6
    Protection Grade IP65
    Certification CE, ATEX
    Working Voltage 12-36V DC
    Case Material Die-casting aluminum housing
    Operating Temperature -20℃~50℃
    Operating Humidity 0~95%RH (non-condensing)
    Dimension 206*179*90mm
    Weight ≤1.6kg
    Accessories Power adapter: Input 100-240VAC 50/60Hz, Output 24VDC 1A (Optional USA plug & Europe plug)

    Note: To measure confined spaces such as pipelines, please contact us and inform the detailed conditions of use.

    Fixed Gas Detector Dimension (Unit: mm)

    Fixed gas detector with alarm dimension

    ***Other Common Gases and Ranges Available for Fixed Gas Detectors

    Gas Type Measure Range Resolution
    Ammonia (NH3) 0-50/100/200/500/1000ppm 0.01ppm/0.1ppm/1ppm
    Benzene (C6H6) 0-1/10/50/100/200/1000/2000/5000/10000ppm 0.001ppm/0.01ppm/0.1ppm/1ppm
    Carbon Dioxide (CO2) 0-1000/2000/5000/9999ppm, 0-1/5/100%VOL 0.1ppm/1ppm/0.001%VOL
    Carbon Monoxide (CO) 0-10/20/50/100/500/1000/2000ppm 0.01ppm/0.1ppm/1ppm
    Chlorine (Cl2) 0-10/20/50/100ppm 0.01ppm/0.1ppm
    Chlorine Dioxide (ClO2) 0-1/5/10/20/50/100ppm 0.001ppm/0.01ppm/0.1ppm
    Ethylene (C2H4) 0-50/100/500/1000/2000ppm 0.01ppm/0.1ppm/1ppm
    Formaldehyde (CH2O) 0-10/20/50/100ppm 0.01ppm/0.1ppm/1ppm
    Hydrocarbons (HC) 0-100%LEL 1%LEL
    Hydrogen (H2) 0-1000/2000/5000/9999ppm, 0-1/4%VOL 1ppm/0.001%VOL
    Hydrogen Chloride (HCL) 0-10/20/50/100/200ppm 0.01ppm/0.1ppm
    Hydrogen Cyanide (HCN) 0-10/20/50/100ppm 0.01ppm/0.1ppm
    Hydrogen Sulfide (H2S) 0-20/50/100/200ppm 0.01ppm/0.1ppm
    Methane (CH4) 0-50/100%VOL, 0-100%LEL 0.01/0.1%VOL/1%LEL
    Nitric Oxide (NO) 0-20/50/100/250/500/1000ppm 0.01ppm/0.1ppm/1ppm
    Nitrogen (N2) 0-100%VOL 0.01%VOL
    Nitrogen Dioxide (NO2) 0-20/50/100/500/1000ppm 0.01ppm/0.1ppm/1ppm
    Nitrogen Oxides (NOX) 0-1/5/10/20/50/100/250/500/1000ppm 0.001ppm/0.01ppm/0.1ppm/1ppm
    Oxygen (O2) 0-25/30%VOL 0.01%VOL
    Ozone (O3) 0-1/5/10/20/50/100ppm 0.001ppm/0.01ppm/0.1ppm
    Phosphine (PH3) 0-10/20/50/100/500/1000/2000/3000ppm 0.01ppm/0.1ppm/1ppm
    Sulfur Dioxide (SO2) 0-20/50/100/500/1000ppm 0.01ppm/0.1ppm/1ppm
    Volatile Organic Compounds (VOC) 0-1/5/10/20/50/100/200/500/1000/2000/5000/10000ppm 0.001ppm/0.01ppm/0.1ppm/1ppm
    Combustible Gas (EX) 0-100%LEL 1%LEL

    Note: Some common gases and the measuring ranges are listed in the above table. For more information, please feel free to contact us.

    Details

    Fixed Ammonia (NH3) Gas Detector Details

    Tips: Fixed Nitrogen Dioxide (NO2) Gas Detector Working Principle

    1. Chemical or Electrochemical Sensors: Fixed NO2 gas detectors typically use chemical or electrochemical gas sensors as the core component to detect the presence and change in concentration of NO2 gas.
    2. Gas Sampling: Gas leak detectors typically introduce a sample of ambient air into the gas sensor via a gas sampling system. This can be accomplished through a pumping system, pump, or other sampling device.
    3. Potential Measurement: Once NO2 gas enters the sensor, a catalytic reaction at the working electrode causes a change in potential. The electrode circuitry measures this potential change and converts it into an electrical signal.
    4. Signal Processing and Data Output: Gas tester typically include signal processing circuitry to amplify, filter and stabilize the signal obtained from the sensor. Finally, the gas detector outputs the measured NO2 concentration data in digital form, usually presented to the user via a display, data logging system, communications interface, etc.
    5. Calibration: To ensure accurate measurements, fixed NO2 gas detectors usually require periodic calibration. This can be done by using a known concentration of calibration gas.

    Gas Detector 3-Wire System

    In the realm of gas detection systems, the 3-wire configuration offers a robust wiring solution, especially for applications requiring analog output. This video will show you the 3-wire gas detector wiring.

    Gas Detector 4-Wire System

    The wiring of the 4-wire gas detector supports the RS485 interface Modbus RTU communication mode. This video will show you the 4-wire gas detector wiring.

    Using Cloud Data and 4G for Fixed Gas Detectors

    This video will show you about the applications of cloud data and 4G transmission for fixed gas detectors.

    Monitoring Combustible Gas in Pipelines

    This video will show you how to monitoring combustible gas in pipelines.

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