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DH4-HCHO-5 electrochemical formaldehyde sensor

Product ID:HQWRjq001

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  • Product Introduction
  • Consulting
  • Model NumberDH4-HCHO-5
    Brand NameYM
    Payment TermsT/T ,paypal
    Introduction
    DH4-HCHO-5 is based on the electrochemical formaldehyde sensor working principle, using the HCHO oxidation reaction occurs in the electrolytic cell electrode, the electrode reaction, the induced current, the induced current and is proportional to the concentration of gas, so as to determine the concentration of analyte. The sensor uses three electrode, reference electrode can be stable sensing electrode and reference electrode electric potential, no current through the voltage stability, to maintain their own, so even if the negative electrode for polarization will not have any effect on the sensing electrode, the three electrode structure has a wide measurement range.
    Features
    1 low power consumption
    2 high precision
    3 high sensitivity
    4 wide linear range
    5 excellent repeatability and stability
    Technical parameters
    item Technical parameters
    principle three electrode electrochemical sensor
    range 0-5ppm
    Maximum overload 50ppm
    Service life 3 years 
    sensitivity 1.2±0.3(uA/ppm)
    temperature range -20~50
    Pressure range 90~110kPa
    Humidity range 15%~90%RH(No condensation)
    Response time ≤80s
    Zero drift
    (-20~40)
    <0.2ppm
    Stability < 1% / month
    load resistance 10Ω
    Repeatability 2% output value
    output linearity Linear
    bias voltage Unwanted
     
  • Introduction
    DH4-HCHO-5 is based on the electrochemical formaldehyde sensor working principle, using the HCHO oxidation reaction occurs in the electrolytic cell electrode, the electrode reaction, the induced current, the induced current and is proportional to the concentration of gas, so as to determine the concentration of analyte. The sensor uses three electrode, reference electrode can be stable sensing electrode and reference electrode electric potential, no current through the voltage stability, to maintain their own, so even if the negative electrode for polarization will not have any effect on the sensing electrode, the three electrode structure has a wide measurement range.

     
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