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    Fixed Methane (CH4) Gas Detector, 0 to 100% LEL

    5 out of 5 based on 1 reviews | Write a review
    $2,093.23
    Buy fixed methane gas detector online at good price. Measuring range 0-100% LEL, resolution 1% LEL, optional output signal 4-20mA or RS485, high accuracy 3% F.S. CH4 gas detector 24-hour works to detect and monitor methane concentration, sound and light alarm, real-time display, remote control is available.
    SKU: ATO-GAS-CH4-A
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    Free Shipping Worldwide
    Delivery date: 6-12 days

    Low price methane gas detector for sale. Measurement range 0-100% LEL, supports remote control with output signal 4-20mA or RS485. The CH4 gas detector has fixed design, which is used in methane concentration detecting and monitoring, sound and light alarm, real-time display, small size, lightweight, convenient mounting.

    Features

    • Methane gas detector adopts high precision sensor for accurate gas leak detection.
    • Methane gas detector is equipped with 3-wire system 4-20mA analog output, relay output, RS485 output (optional).
    • The CH4 gas detector is 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.
    • The methane gas detector has self-calibration function, and three standard keys will be used to realize on-site maintenance.
    • The CH4 gas detector can output one or two on-off signals, can drive ventilator, solenoid valve or other external devices.

    Specification

    Model ATO-YT95H-CH4-A
    Detection Principle Electrochemistry
    Gas Methane (CH4)
    Range 0-100% LEL
    Resolution 1% LEL
    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, or RS485 (transfer card included);
    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 male thread explosion-proof flexible pipe
    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: The output signal 4-20mA and RS485 CANNOT be used at the same time.

    Fixed Methane (CH4) Gas Detector Dimension (Unit: mm)

    Fixed gas detector with alarm dimension

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

    Gas Range (Default) Range (Optional) Resolution
    Combustible Gas (EX) 0-100% LEL 0-100% LEL 1%LEL
    Oxygen (O2) 0-30% Vol 0-25% Vol 0.01%Vol
    Carbon Monoxide (CO) 0-1000 ppm 0-100/500/1000/2000 ppm 0.01ppm/0.1ppm/1ppm
    Hydrogen Sulfide (H2S) 0-100 ppm 0-50/100/500/1000 ppm 0.01ppm/0.1ppm/1ppm
    Methane (CH4) 0-100% LEL 0-100% LEL 1%LEL
    Chlorine (Cl2) 0-10 ppm 0-10/20/50/100 ppm 0.01ppm/0.1ppm
    Hydrogen Chloride (HCL) 0-20 ppm 0-10/20/50/100 ppm 0.01ppm
    Hydrogen (H2) 0-1000 ppm 0-1000/2000/5000/10000 ppm 0.1ppm/1ppm
    Nitric Oxide (NO) 0-100 ppm 0-100/250/500/1000 ppm 0.01ppm/0.1ppm/1ppm
    Nitrogen Dioxide (NO2) 0-20 ppm 0-20/50/100 ppm 0.01ppm/0.1ppm/1ppm
    Formaldehyde (CH2O) 0-10 ppm 0-10/20/-50/100 ppm 0.01ppm/0.1ppm/1ppm
    Ozone (O3) 0-10 ppm 0-1/5/10/20/50/100 ppm 0.001ppm/0.01ppm/0.1ppm
    Carbon Dioxide (CO2) 0-2000 ppm 0-1000/2000/5000/10000/50000 ppm 0.1ppm/1ppm
    Sulfur Dioxide (SO2) 0-20 ppm 0-10/20/100 ppm 0.01ppm/0.1ppm
    Ethylene Oxide (ETO) 0-100 ppm 0-20/50/100/500/1000 ppm 0.01ppm/0.1ppm/1ppm
    Phosphine (PH3) 0-10 ppm 0-10/20/50/100/200/500/1000 ppm 0.01ppm/0.1ppm/1ppm
    Nitrogen (N2) 0-100% Vol 0-100% Vol 0.01%Vol
    Hydrogen Fluoride (HF) 0-10 ppm 0-50 ppm 0.01ppm

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

    Tips: How to improve the service life of methane gas detector?

    • The methane gas detector should be calibrated and tested regularly.
      When replacing the probe of CH4 gas detector, in addition to a certain sensor activation time, the instrument must be recalibrated. In addition, before using the methane gas detector, use the standard gas for response detection to ensure protection of the instrument.
    • Pay attention to the interference between other sensors and the methane gas detector.
      Although a composite gas detector can detect multiple gases at the same time, the fixed gas detector is not suitable for any combination of toxic and harmful gases. Generally speaking, each gas detector corresponds to a specific detection gas, but any gas detector cannot be absolutely effective.
    • Pay attention to the life of methane gas detector.
      CH4 gas detector has a certain service life. Generally, in portable gas detectors, LEL sensors have a longer life span and can generally be used for about three years. The life of the photoionization detector is four years or longer. The lifetime of electrochemical specific gas detectors is relatively short, generally one to two years. The life span of the oxygen sensor is short, about a year or so.

    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.

    Calibration of Fixed Type Gas Detector

    This video will show the calibration procedures of the ATO fixed type gas detectors.

    Existing reviews of Fixed Methane (CH4) Gas Detector, 0 to 100% LEL
    Gas detector order
    We are looking for a way to sniff out N2 leaks on a transformer by moving the detector along welds, the N2 system regulator and plumbing is this a good tool for that application?
    From: Hcobb | Date: 12/09/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, if the N2 system regulator is in a normal air environment, which means that the welds point of pipeline is in the normal air but no other mixed gas, then the unit N2 portable detector 0-100%VOL can work for that, with no problem at all.
    SKU: ATO-GAS-N2
    See specs, price, and you can order by credit card on: https://www.ato.com/portable-n2-gas-detector
    Free shipping.
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