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    Fixed Formaldehyde Gas Detector, 0 to 10/20/50/100 ppm
    Picture of Fixed Formaldehyde Gas Detector, 0 to 10/20/50/100 ppm
    Picture of Fixed Formaldehyde Gas Detector, 0 to 10/20/50/100 ppm
    Picture of Fixed Formaldehyde Gas Detector, 0 to 10/20/50/100 ppm
    Picture of Fixed Formaldehyde Gas Detector, 0 to 10/20/50/100 ppm
    Picture of Fixed Formaldehyde Gas Detector, 0 to 10/20/50/100 ppm
    Picture of Fixed Formaldehyde Gas Detector, 0 to 10/20/50/100 ppm

    Fixed Formaldehyde Gas Detector, 0 to 10/20/50/100 ppm

    5 out of 5 based on 1 reviews | Write a review
    $727.08
    Buy formaldehyde gas detector from professional manufacturer. Selectable detecting range 0~10/20/50/100 ppm, output signal 4-20mA and RS485, high accuracy 3% F.S, fast response within 10s. CH2O gas detector with sound and light alarm, 24-hour real-time display, remote control, fixed installation, ideal price.
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    SKU: GD300-CH2O
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Fixed gas detector for sale, used to detect and monitor formaldehyde concentration. Measuring range 0 to 10/20/50/100 ppm, remote control with optional output signal 4-20mA & RS485. The CH2O gas detector has functions of sound & light alarm, real time display and 24 hours online work.

    Features

    • Formaldehyde gas detector adopts high precision sensor for accurate gas leak detection.
    • Formaldehyde gas detector is equipped with 3-wire system 4-20mA analog output, relay output, RS485 output (optional).
    • The CH2O 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 formaldehyde gas detector has self-calibration function, and three standard keys will be used to realize on-site maintenance.
    • The CH2O gas detector can output one or two on-off signals, can drive ventilator, solenoid valve or other external devices.

    Specification

    Model GD300-CH2O
    Detection Principle Electrochemistry
    Gas Formaldehyde (CH2O)
    Range (Optional) 0 to 10ppm, 0 to 20ppm, 0 to 50ppm, 0 to 100ppm, 0 to 500ppm, 0 to 1000ppm
    Resolution 0.01ppm (0-10/20/50ppm), 0.1ppm (0-100ppm), or 1ppm (0-500/1000ppm)
    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 Formaldehyde (CH2O) 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 Formaldehyde Gas Detector Details

    Tips: Electrochemistry principle of the formaldehyde gas detector

    Formaldehyde gas detector consists of a plug-in electrochemical sensor, an intelligent transmission module and a sensor splash cover. Working mode of the electrochemistry sensor is to detect a certain amount of gas diffusion. Oxygen first passes through a sintered stainless steel filter, and then enters the sensor through the gas permeable membrane on the sensor. Between the electrode of the sensor and the electrolyte, oxygen is consumed and a corresponding current is generated between the anode and the cathode. When current flows in the sensor, the lead positive electrode is oxidized to lead oxide. Intensity of the output current and the concentration of oxygen have an absolute linear function relationship. The rapid response capability of electrochemistry sensor enables the formaldehyde gas detector to continuously monitor the concentration of formaldehyde.

    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 Formaldehyde Gas Detector, 0 to 10/20/50/100 ppm
    Capacity of gas detector
    I am interested in this H2 gas. I knew that this could save data.
    From: Milgram | Date: 08/09/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Our portable gas detector has an IC memory card. The capacity is about 2G. It can store 10 data records.
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