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    Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm
    Picture of Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm

    Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm

    5 out of 5 based on 7 reviews | Write a review
    $754.13
    Fixed ammonia gas detector is used to detect the concentration of NH3 with selectable measuring range of 0 to 50/100/200/500/1000/2000/5000 ppm. NH3 detector with sound and light alarm and real-time display, signal output 4-20mA and RS485, high accuracy, high reliability and low price.
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    SKU: GD300-NH3
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Fixed type NH3 gas detector is used to monitor the ammonia concentration with optional range of 0 - 50ppm, 0-100ppm, 0-200ppm in different kinds of fields such as refrigerated space, liquid ammonia tank storage area, laboratory, livestock farm, sewage treatment plant, denitrification chemical industry, etc.

    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-NH3
    Detection Principle Electrochemistry
    Gas Ammonia (NH3)
    Range (Optional) 0 to 50ppm, 0 to 100ppm, 0 to 200ppm, 0 to 500ppm, 0 to 1000ppm, 0 to 2000ppm, 0 to 5000ppm
    Resolution 0.01ppm (0-50ppm), 0.1ppm (0-100/200ppm), or 1ppm (0-500/1000/2000/5000ppm)
    Accuracy ≤±3% F.S.
    Response Time ≤10s
    Repeatability ≤±1%
    Recovery Time ≤10s
    Linearity Error ≤±1%
    Zero Shift ≤±1% (F.S./year)
    Signal Output (Optional) 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 Power connection type: G1/2 male thread explosion-proof flexible pipe
    Pipe-mounted type: M45*P2.0
    Operating Time 24h
    Explosion-proof Grade Ⅱ 2G Ex ia Ⅱ CT4 Ga
    Protection Grade IP65
    Certification CE, ATEX (Standard: EN IEC 60079-0:2018, EN 60079-1:2014)
    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 or UK 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) 0-50/100/200/500/1000/2000/5000ppm 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, 0-2/5/10/20/25/30/50/100%VOL 0.1ppm/1ppm/0.001%VOL/0.01%VOL/0.1%VOL
    Carbon Monoxide (CO) 0-10/20/50/100/500/1000/2000ppm 0.01ppm/0.1ppm/1ppm
    Chlorine (Cl2) 0-5/10/20/50/100ppm 0.001ppm/0.01ppm/0.1ppm
    Chlorine Dioxide (ClO2) 0-1/5/10/20/50/100ppm 0.001ppm/0.01ppm/0.1ppm
    Combustible Gas (EX) 0-100%LEL 1%LEL
    Ethylene (C2H4) 0-10/20/50/100/500/1000/2000ppm 0.01ppm/0.1ppm/1ppm
    Formaldehyde (CH2O) 0-10/20/50/100/500/1000ppm 0.01ppm/0.1ppm/1ppm
    Hydrocarbons (HC) 0-100%LEL 1%LEL
    Hydrogen (H2) 0-10/20/500/1000/2000/5000/9999ppm, 0-2/4% VOL, 0-100% LEL 0.1ppm/1ppm/0.001%VOL/1%LEL
    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) 0-5/20/50/100/200ppm 0.001ppm/0.01ppm/0.1ppm
    Methane (CH4) 0-50/100%VOL, 0-100%LEL 0.01%VOL/0.1%VOL/1%LEL
    Nitric Oxide (NO) 0-1/5/10/20/50/100/250/500/1000ppm 0.001ppm/0.01ppm/0.1ppm/1ppm
    Nitrogen (N2) 0-99.99/0-100%VOL 0.01%VOL/0.1%VOL
    Nitrogen Dioxide (NO2) 0-1/5/10/20/50/100/500/1000ppm 0.001ppm/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) 0-25/30/100%VOL 0.01%VOL/0.1%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) 0-1/5/10/20/50/100/500/1000ppm 0.001ppm/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

    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

    10 Tips for Installing Fixed type Ammonia (NH3) Gas Detector

    1. The fixed ammonia (NH3) gas detector shall not be installed in the place which has high concentration of smoke, jet-propelled insecticide and combustible solvent (coating), otherwise it may cause an alarm.
    2. The fixed ammonia gas detector shall not be installed at the place with large wind flow, such as the vent, ventilator and door. It may affect the accuracy of ammonia detector.
    3. The fixed ammonia detector shall not be installed at the place with much water vapor or water drops (relative humidity is above 90%), otherwise the ammonia sensor may be damaged for being placed in water vapor for a long term.
    4. The fixed NH3 detector shall not be installed at temperatures below -30℃ or below 50℃.
    5. The fixed ammonia detector shall not be installed in a strong electromagnetic field.
    6. As soon as the ammonia detector sends a concentration alarm signal, the output control signal will be locked, even if the gas concentration doesn’t continue to exceed the limit, the controlled device is still unable to restore the pre alarm state automatically, manual reset is required (press the reset button or self-calibration for 3 seconds).
    7. The fixed NH3 gas detector shall be installed in a higher place of the farm because the concentration of ammonia is lighter than the air.
    8. If alarm, the ammonia concentration has exceeded the set alarm concentration. After the cause for excessive NH3 concentration is removed, press the reset button to clear the alarm data.
    9. It’s normal for the alarm sound in the first power-on in case the ammonia detector has been powered off for a long time.
    10. After the ammonia detector is fixed, do not move its position at will, so as not to damage the accessories.

    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 Ammonia (NH3) 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)
    High sensitivity gas detector
    I recently purchased a fixed ammonia gas detector for my industrial plant, it was easy to install and came with clear instructions for set-up and operation. The alarm system is loud and unmistakable. Nice product!
    From: Otto | Date: 27/02/2023
    Was this review helpful? Yes No (0/0)
    Calibration time of ammonia gas detector
    Do you provide an ammonia gas detector calibration test kit? And when should I calibrate?
    From: Spud | Date: 20/01/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, we provide. Our ammonia gas detector has a 1 year warranty and will be well calibrated before leaving the factory. Typically, you can calibrate yearly.
    What certification can the ammonia gas detector provide?
    What certification do you provide for your Ammonia gas detector, and do you provide silicon type?
    From: Turles | Date: 29/11/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The certification we can provide for this gas detector is ATEX.
    Also, the price (828.16USD) includes the silicon tube 1m long. For more than 1m, it requires additional payment.
    Can you provide CL2 Gas Sensor...
    Can you provide CL2 Gas Sensor 0-10 PPM with cable assembly more than 10 m,  200-240 VAC 50 HZ / two Analogue outputs 4-20 mA - LCD disply?
    From: Duane | Date: 26/10/2020
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Hello, Duane.
    We can provide Fixed-type CL2 Gas Sensor 0-10ppm (Resolution 0.001ppm) with 200-240 VAC 50 HZ input power, two Analogue outputs 4-20 mA  and LCD display… We shall add a 2-channel control host, and the cable distance between the detection probe and the host is 10m.
    Fixed ammonia gas detector
    How can I connect your fixed ammonia gas detector to my PC via your option "RS 485"?
    From: Brandon | Date: 18/05/2020
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Hi, Brandon. For our detector with RS485, we will provide "transfer card and PC software", so you can connect it to your computer, but the price of transfer card is exra.
    Measuring area for your fixed gas detector
    What is the measuring area for your fixed gas detector?
    From: Frank | Date: 09/04/2020
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Hi, Frank. For our fixed gas detector, the detection area is 20 square meter.
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