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    Fixed Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm

    Fixed Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm

    5 out of 5 based on 7 reviews | Write a review
    $486.77
    Fixed H2S gas detector is 24 hours online to detect the hydrogen sulfide and gives sound and light alarm with measuring range from 0 to 50 ppm, 0 to 100 ppm, or 0 to 200 ppm. High accuracy and reliability hydrogen sulfide detector has real-time display and infrared remote control with optional output signal 4-20mA and RS485.
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    SKU: GD300-H2S
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Fixed hydrogen Sulfide (H2S) gas detector is used to monitor the H2S concentration with measuring range from 0 to 50/100/200 ppm in different kinds of environments or pipeline and alarm with sound and light, to safeguard the organic life.

    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-H2S
    Detection Principle Electrochemistry
    Gas Hydrogen Sulfide (H2S)
    Range (Optional) 0 to 20 ppm, 0 to 50 ppm, 0 to 100 ppm, 0 to 200 ppm
    Resolution 0.01ppm (0-20/50ppm), 0.1ppm (0-100/200ppm)
    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 2A (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 Hydrogen Sulfide (H2S) Gas Detector Details

    Tips: Installation of Fixed Hydrogen Sulfide (H2S) Detector

    Fixed hydrogen sulfide (H2S) detector shall be installed in the areas which are easy to release and gather the hydrogen sulfide gas, such as the drilling site, downhole operation site, gathering station, natural gas evolution field, water treatment station and refinery area.

    The mounting site of fixed-type H2S detector should be determined by on-site facilities, processes, and the diffusion and gathering of hydrogen sulfide gas.

    The fixed hydrogen sulfide (H2S) detector should be installed below the release source, and it shall be within 2m outside and within 1m inside. Moreover, the detector is better to be installed at 0.5-0.6m away from the gas release source. The installation height shall be 0.3-0.6m higher than the ground or floor. If the detector is installed lower, it’s easy to be affected by the rain drops, which may damage the detector.

    If possible, please select the gas detectors with concentration display and acousto-optic alarm. The operators can observe the existence of hydrogen sulfide gas on site without returning to the duty room to see the alarm controller. It is finally better to protect them.

    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.

    Existing reviews of Fixed Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm
    Gas detectors
    For several years I have been using Hydrogen Sulfide (H2S) Gas Detectors and Fixed Ammonia (NH3) Gas Detectors to monitor odors around an industrial zone. They work perfectly - no problems. The sensors work continuously outdoors, in various weather conditions (summer/winter). The sensors have little drift. Contact with the company's support is also impeccable.
    From: Mariusz | Date: 24/10/2023
    Was this review helpful? Yes No (0/0)
    What are our options for a gas detector warranty replacement?
    This unit has now completely stopped working.  
    The LCD screen shows all 8's.  
    What are our options for a warranty replacement?
    From: vikia | Date: 15/06/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. Please provide the video of the on-site inspection, so that we can analyze the reason and we will fully support you.
    You can send us the large video file via wetransfer.com.
    2. Please provide us with a photo of the nameplate label of the unit for further confirmation.
    3. Could you please use the remote control to check the ADC value?
    Don't worry, we will definitely take care of the problem for you. Thank you for your understanding.
    Great gas detector
    Great gas detector. I'm an appliance technician using this to find gas leaks beats the heck out of using gas bubbles. I have been using this gas detector for three months and have found no problems. Highly recommend!!
    From: Kespeon | Date: 25/12/2022
    Was this review helpful? Yes No (0/0)
    If the gas detector you have would be able to do that?
    I need an H2S detector that has an alarm light, and also audible, with a display. These will be used to monitor the areas surrounding wells. I will have to install a solar panel and battery at each location. I am curious if the gas detector you have would be able to do that? Also do you have units that you can assemble to fit my needs.
    From: Shelby | Date: 27/07/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    What is the measuring range of H2S gas? And what gas components are mainly contained in his gas environment? We need this information to recommend a more suitable model.
    Our fixed gas detector has alarm light and also audible with display function, and you could try our fixed H2S gas detector, see specs on: https://www.ato.com/fixed-hydrogen-sulfide-h2s-gas-detector
    H2S fixed gas detector relay out
    For your H2S fixed gas detector, is there a relay out so I can drive another LED alarm light?
    From: Chris | Date: 25/08/2020
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes. Our fixed gas detector can be equipped with 2 set of relay output with 24V 100mA. So if the current of your LED alarm light is less than 100mA, then it can be used directly, but if it is more than 100mA, then it needs to add an external solid state relay.
    Input Voltage of Hydrogen Sulfide (H2S) Gas Detector
    Can you provide fixed H2S gas detector but with 120V input voltage?
    From: Kiel | Date: 22/07/2019
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Hi, Kiel. The input voltage of this fixed H2S detector should be 24V DC, but you can use one of our switching mode power supply to convert 120V AC To 24V DC.
    Fixed Hydrogen Sulfide (H2S) Gas Detector
    Can your fixed hydrogen sulfide (H2S) gas detector work in biogas line, if yes, then what is the estimated lifetime of the electrochemical sensor?
    From: Blake | Date: 03/07/2019
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, and the lifetime of electrochemical sensor is 2-3 years.
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