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    Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm
    Picture of Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm
    Picture of Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm
    Picture of Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm
    Picture of Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm
    Picture of Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm
    Picture of Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm
    Picture of Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm

    Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm

    4.9 out of 5 based on 20 reviews | Write a review
    $828.16
    Low price handheld pumping-type gas detector provides the Ammonia (NH3) gas leak monitoring with high accuracy sensor, audible and visual alarm, optional measuring range 0 to 50ppm, 0 to 100ppm, 0 to 200ppm, 0 to 500ppm etc., LCD display, easy readout, small & portable design, convenient to carry.
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    SKU: GD200-NH3
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Features

    • LCD dot matrix display, direct readout of gas type, unit, concentration, local time, etc.
    • Support English/Chinese operation, easy to shift.
    • Gas concentration unit PPM and mg/m3 can be shift quickly.
    • Built-in micro-sampling pump, 10 grades of suction are available.
    • Explosion-proof certification

    Gas Detector Functions

    • With self-calibration and zero calibration functions, makes the detection more accurate and reliable.
    • One key to restore factory setting, free from maloperation.
    • With temperature and pressure compensation, able to realize the compensation for the gas concentration under different temperature and pressure environments.
    • Two-stage alarm with sound and light, and alarm point is settable.
    • Rechargeable lithiumpolymer battery with large capacity.
    • High-strength special engineering plastic housing, with anti-slip, waterproof, dustproof and explosion-proof.

    Specification

    Model GD200-NH3
    Sampling Method Pumping suction, flow rate can be up to 750ml/min
    Detection Principle Electrochemistry
    Gas Ammonia (NH3)
    Range (Optional) * 0 to 10ppm, 0 to 20ppm, 0 to 50ppm, 0 to 100ppm, 0 to 200ppm, 0 to 500ppm, 0 to 1000ppm, 0 to 2000ppm, 0 to 5000ppm
    Resolution 0.01ppm (0-10/20/50ppm), 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)
    Data Logging (Optional Function) High speed data transmission by USB, available for data downloading and printing (The built-in IC card has about 2G memory, which can record 100,000 sets of data.)
    Alarms Sound, light and vibration
    Display LCD dot matrix display
    Language Chinese/English
    Battery 3.7V rechargeable lithium battery, 3.7 Watt (Charger included: Input AC 100-240V 50/60Hz with optional USA, Europe or UK plug)
    Operating Time 100h (Pump off)
    Communication Mini USB interface supports standard MODBUS communication protocol
    Explosion-proof Grade Ⅱ 2G Ex ia Ⅱ CT4 Ga
    Case Material ABS+PC
    Protection Grade IP66
    Certification CE, ATEX (Standard: EN IEC 60079-0:2018, EN 60079-1:2014)
    Operating Temperature -20℃~50℃
    Operating Humidity 0~95%RH (non-condensing)
    Operating Pressure 0.8~1.2bar
    Dimension 205*75*32mm
    Weight 300g
    Warranty 12 months
    Extension Probe About 480mm (Total Length), About 300mm (Probe Head)
    Accessories (Optional) Calibration kit - gas pressure regulator (calibration gas cylinder NOT included)
    • Body Material: Stainless steel
    • Input Range of Pressure Gauge: 0-25MPa
    • Output Range of Pressure Gauge: 0-0.6Mpa
    • Gauge Class: 2.5
    • Input Pressure: ≤15MPa
    • Output Pressure: ≤0.45MPa
    • Rated Flow: 0.6 m3/h
    • Connection: Inlet: W21.8-14 teeth/inch (levorotation, dextrorotation) ; Outlet: Ф6 flexible tube

    Note:
    * If you need a NH3 gas detector with other measuring ranges unlisted in above table, please contact us to inform your operating environment, so as to help you choose an appropriate one for your application.
    * We also provide other common gas detectors, and you can refer to ATO Gas Detector Catalog to get the specific gas type and measurement range. If you have any questions, please feel free to contact us.

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

    Gas Type Measure Range Resolution
    Ammonia (NH3) 0-10/20/50/100/200/500/1000/2000/5000ppm 0.01ppm/0.1ppm/1ppm
    Benzene (C6H6) 0-1/5/10/20/50/100/200/500/1000/2000/5000/10000ppm 0.001ppm/0.01ppm/0.1ppm/1ppm
    Carbon Dioxide (CO2) 0-1000/2000/5000/10000/20000/50000ppm, 0-10%/20%/30%/50%/100% VOL 1ppm, 0.01% VOL
    Carbon Monoxide (CO) 0-10/20/50/100/500/1000/2000ppm 0.001ppm/0.01ppm/1ppm
    Chlorine (Cl2) 0-5/10/20/50/100/200ppm 0.001ppm/0.01ppm/0.1ppm
    Chlorine Dioxide (ClO2) 0-1/5/10/20/50/100ppm 0.001ppm/0.01ppm/0.1ppm
    Ethylene (C2H4) 0-10/20/50/100/500/1000/2000ppm 0.001ppm/0.01ppm/0.1ppm/1ppm
    Flammable 0-100% LEL 1% LEL
    Formaldehyde (CH2O) 0-10/20/50/100/500/1000ppm 0.01ppm/0.1ppm/1ppm
    Hydrocarbons (HC) 0-100% LEL 1% LEL
    Hydrogen (H2) 0-10/20/100/500/1000/2000/3000/5000/10000/20000/40000ppm, 0-4% VOL 0.001ppm/0.01ppm/0.1ppm/1ppm, 0.001% VOL
    Hydrogen Chloride (HCl) 0-10/20/50/100/200/500/1000/2000ppm 0.01ppm/0.1ppm/1ppm
    Hydrogen Cyanide (HCN) 0-10/20/50/100ppm 0.01ppm/0.1ppm
    Hydrogen Fluoride (HF) 0-1/5/10/50ppm 0.001ppm/0.01ppm
    Hydrogen Sulfide (H2S) 0-5/10/20/50/100/200/500/1000/2000ppm 0.001ppm/0.01ppm/0.1ppm/1ppm
    Methane (CH4) 0-100% LEL, 0-50%/100% VOL 1% LEL, 0.01%VOL
    Methyl Bromide (CH3Br) 0-50/100/200/500/1000/2000/3000ppm 0.1ppm/1ppm
    Nitric Oxide (NO) 0-20/50/100/250/500/1000ppm 0.01ppm/0.1ppm/1ppm
    Nitrogen (N2) 0-99.99%/100% VOL 0.01% VOL
    Nitrogen Dioxide (NO2) 0-20/50/100/500/1000ppm 0.01ppm/0.1ppm/1ppm
    Oxygen (O2) 0-25%/30%/100% VOL 0.01% VOL
    Ozone (O3) 0-1/5/10/20/50/100/200/500/1000/2000ppm 0.001ppm/0.01ppm/0.1ppm/1ppm
    Phosgene (COCl2) 0-1/5/10ppm 0.001ppm
    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
    Sulfur Hexafluoride (SF6) 0-1000/2000/3000ppm 1ppm
    Volatile Organic Compounds (VOC) 0-1/5/10/20/100ppm 0.01ppm/0.1ppm


    Details

    Handheld Ammonia (NH3) Gas Detector Details

    Applications

    Handheld NH3 gas detector with built-in micro-pump is widely used in refrigerated space, liquid ammonia tank storage area, laboratory, livestock farm, sewage treatment plant, denitrification chemical industry, etc., to monitor the leakage of NH3 gas and give an alarm to protect humans and animals.

    Ammonia NH3 Gas Detector Applications

    Tips: Ammonia (NH3) Gas Detector for Livestock Farm

    The harm caused by ammonia to the pig farm may be far beyond our imagination, including the growth and development of pigs, the respiratory resistance, estrus, pregnancy and childbirth. Therefore, the developed countries in Europe and the United States have made strict requirements for the ammonia concentration in pig farms. EU requires that the ammonia (NH3) shall be lower than 10PPM while the United States requires to be lower than 15PPM.

    The NH3 gas in the pig farm is mainly from the degradation and decomposition of feces and urine discharged by pigs every day. In cold seasons (winter and spring), the delivery room and nursery house are closed to keep warm. Large amount of ammonia, hydrogen sulfide and carbon dioxide produces and accumulates in the rooms. As the concentration gets higher, the risk becomes greater. To solve this problem, ATO launched the ammonia (NH3) gas detector, which has a proper price and excellent performance. It can provide a strong guarantee for improving the farming environment.

    Basic Settings of Portable Gas Detector

    This video will show you the basic settings of ATO portable gas detectors including high/low alarm setting, language setting and time setting.

    Calibration of Portable Gas Detector

    This video will show how to calibrate the ATO portable gas detectors.

    Concentration Detection of Pesticides Gas
    Methyl bromide is an organic compound with the chemical formula CH3Br, which is mainly used as a pesticide, fumigant, refrigerant and solvent, and can also be used in organic synthesis.This video will mainly use methyl bromide and CH3Br as examples to introduce the detection of their concentrations.

    How to Detect Hydrogen Sulfide Concentration in the Toilet
    Hydrogen sulfide is a flammable acidic gas that smells like rotten eggs at low concentrations and is very toxic. In actual operation, it is necessary to ensure that the detection equipment or method used can accurately measure the concentration of hydrogen sulfide, and pay attention to safety issues during operation to avoid hydrogen sulfide poisoning.

    How much C2H4 (ethylene) do ripe bananas and apples produce?
    We have various gas detectors such as: CO, O2, O3, H2, NH3, H2S, CH4, Cl2, CH2O, etc, from 0~10000ppm, Industrial or daily use.

    Existing reviews of Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm
    Portable Gas Detector
    Our lab purchased 2 ammonia detectors from ATO. We hope that you can provide information about calibrating the meter and performing a bump test. Could you provide links to products recommended by ATO for calibration and bump testing, along with informative videos detailing the process? How often would you recommend doing a bump test?
    From: Karl | Date: 08/05/2024
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. Under normal circumstances, you only need to calibrate the detector if the readings are inaccurate. Regarding calibration, you can use half the concentration of NH3 gas in the range of the gas detector for calibration.
    Regarding the calibration steps, you can refer to this video, see on: https://www.youtube.com/watch?v=Tr8UfiQe_S8&list=PLlo8RulDRntipAoQ0eNwGr6LKogcxjl5F&index=7
    2. The unit you purchased does not have bump test. Only new products have the option of impact testing.
    I'm interested in your portable gas detector
    I am interested in learning more about your portable H2 gas detector.

    1) What are the different micro sampling pump options? I am interested in using a flow rate of around ~10 ml/min to up to 100 ml/min.

    2) Can the detector function if the background gas is oxygen?
    From: Blake | Date: 05/02/2024
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. Unfortunately, we do not provide this kind of small pump and there is no suitable recommendation.

    2. The detector can work normally when the background gas is oxygen.
    I need advice to improve the reading of the gas detector
    The pump is on and since we are sending a gas from a calibration in a bottle containing 8 ppm of ammonia, we would see a number different from 0 ppm.
    Would you have any advice to improve the reading of the detector?
    From: lillian | Date: 19/07/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. What is the flow rate connected to the instrument inlet?
    2. Where is the 8ppm ammonia calibration gas? Where does it start to release?
    We think that the pipe is too long, and the gas is absorbed on the pipe.
    Flow rate of gas detector to correctly take a sample of gas?
    We are currently trying to install the NH3 gas detector that we purchased at ATO a few weeks ago.
    I am contacting you because the detector does not seem to detect any ammonia and I would therefore like to ask for some clarifications.
    We would like to connect the sensor to a line in which a mixture of hydrogen and a few ppm of ammonia are flowing. What is the suggested flow rate for the detector to be able to correctly take a sample of gas?
    From: khaled | Date: 19/07/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    If there is water in the pipeline, it will affect the detection of the  NH3 gas detector.
    If there is ammonia in the pipeline, the NH3 gas detector will read. We recommend a flow rate of 750ml/min.            
    It will be better if you can provide us with a detection video for further confirmation.
    You can send us the large video file via wetransfer.com.
    I’m looking for quotes on an ammonia meter
    I’m looking for quotes on an ammonia meter that measures 0-1000 PPM.
    Battery-powered is preferred but can be 120VAC.
    It will need to show instant results and hold the low, high, and average readings.
    From: bai | Date: 17/07/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    We recommend Handheld Ammonia (NH3) Gas Detector, 0-1000ppm, which can display gas, gas unit, gas concentration, and detection maximum value. This product can meet your needs.
    What is the resolution on your 0 to 50 ppm ammonia gas detector?
    What is the resolution on your 0 to 50 ppm ammonia gas detector?
    0.01 ppm or better?
    From: wesker | Date: 15/06/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The resolution is 0.01ppm for 0 to 50 ppm ammonia gas detector.
    What is the gas concentration you want to measure?
    How much precision do you want the detector?
    Gas detector has the same resolution and sensitivity as the 0-50 ppm instrument
    I don’t want ammonia concentration to expect in soil gas’s samples. Maybe I should get the 0 -100 ppm instrument since it has the same resolution and sensitivity as the 0-50 ppm instrument? I would like to see  /- 0.1 ppm at 1 ppm levels of ammonia.
    From: emilly | Date: 15/06/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    For our Handheld Ammonia (NH3) Gas Detector
    range 0-50ppm
    resolution 0.01ppm
    range 0-100ppm
    resolution 0.1ppm.
    Please confirm whether you choose the range of 0-100ppm or 0-50ppm?
    The specific measurement range still needs to be confirmed according to the concentration of NH3 in the soil.
    Please note that to measure the NH3 gas concentration in the soil.
    You can not directly insert the gas detector into the soil for measurement.
    You need to put the soil into the bag first, and then measure the ammonia concentration in the bag.
    Question for NH3 gas detector accuracy
    Thank you for your prompt response.
    I see from the table below that this sensor is recommended for the detection of NH3 gas concentration in the air.
    Is the sensor still accurate when rather than in air ammonia is in hydrogen (with no air)?
    From: christine | Date: 28/02/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, the sensor still accurate when rather than in air ammonia is in hydrogen (with no air).
    The instruction manual is well written
    Purchased the Ammonia Gas Detector for hydrogen sulfide detection in pipeline construction jobs, I used it according to the manual, the product worked well, I found them accurate, easy to use, very portable and good value for money.
    From: Theodore | Date: 19/04/2022
    Was this review helpful? Yes No (0/0)
    Are your handheld ammonia detectors fully handheld?
    I would like you to affirm that the ATO handheld ammonia gas detector is cordless and totally hand held. There is a cord out the bottom of it in the picture.
    From: Bernade | Date: 23/01/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    We confirm it is handheld. The cord is just for charging the internal battery when needed.
    Can the NH3 gas detector detect the gas in the tank?
    Can we use your NH3 gas detector to measure the gas in a jar?
    From: Keeche | Date: 07/01/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, you can but will need the gas detector and calibration test kit.
    I have some questions about your 100ppm Handheld Ammonia Gas detector.
    Hello, I have some questions about your 100ppm Handheld Ammonia Gas detector.
    1. What is the outside diameter of the sampling probe at the top of the unit?
    2. Can the alarm be turned off so that this can be used as a quantitative detector?
    3. What type of sensor is this? Electrochemical, PID etc?
    5. Does it have an internal pump to take samples? What is the flow rate of this pump?
    From: Marvin | Date: 03/12/2020
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Hi, you're welcome. Here are the answers for your questions:                            
    1. Outside diameter: 5mm.
    2. Yes, you can turn off the alarm.
    3. Sensor: Electrochemical.
    4. Yes, it have an internal pump to take samples, and the flow rate of this pump is approx 0.75L/Min.
    Want a longer metal tube on the handheld ammonia gas detector...
    Hi, I am wondering if I can get longer metal tube on the handheld ammonia gas detector?
    From: Michael | Date: 04/11/2020
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Hi, Michael. You are suggested to use a combination of a hose and metal tube to increase the detection distance, and the metal tube can be customized up to 1m.
    We are looking for Fixed Ammonia gas detector...
    Kindly note that we are looking for Fixed Ammonia gas detector, Not portable one seen at your web site... Do you have?
    From: Charlie | Date: 02/09/2020
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, we also provide fixed ammonia gas detector, and you can check this link: https://www.ato.com/fixed-ammonia-nh3-gas-detector. If you have any questions, please feel free to let us know.
    Calibration test kit for Ammonia (NH3) Gas Detector
    Do you provide Ammonia gas detector calibration test kit? And when I should calibrate it?
    From: Lucas | Date: 11/10/2019
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, we can provide it. Our NH3 detector has one year warranty and will be well-calibrated before leaving the factory. Generally, you can calibrate yearly.
    suction metal tube
    I would like to ask if the suction metal tube is perforated or like a solid pipe.
    From: Ray | Date: 07/08/2019
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The suction metal tube of the gas detector looks like as shown in the above photo, and it is like a solid pipe.
    accesssory
    I would like to ask if the unit has accessory like a long tube.  What is the outside diameter of suction tube.
    From: Ray | Date: 07/08/2019
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The gas detector has the silicone hose as an option for accessory. The outside diameter of the detector's suction tube is 7.1mm.
    accesssory
    I would like to ask if the unit has accessory like a long tube.  What is the outside diameter of suction tube.
    From: Ray | Date: 07/08/2019
    Was this review helpful? Yes No (0/0)
    NH3 detector service life
    What is the service life of your NH3 detector? And resolution in case of 0-100 ppm measuring range?
    From: Jonas M. | Date: 01/07/2019
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The service life of the NH3 detector is 2-3 years. And the resolution is 0.01ppm.
    Software for data transfer from detector to computer?
    Does this detector has software for data transmission to computer?
    From: Bill H. | Date: 10/10/2018
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes. The gas detector is available for the software for data transmission as well as the connecting cable.
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