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    Hydrogen Fluoride (HF) Gas Sensor, 0-10ppm

    $182.89
    Low price hydrogen fluoride (HF) gas sensor for sale. This HF gas sensor uses an electrochemical three-electrode system to detect 0-10 ppm, with a 50 ppm max load and -300 ±100 nA/ppm sensitivity. Hydrogen fluoride sensor has 0.1 ppm resolution, ≤120s response time, and works in 90-110 kPa pressure and -30°C to 50°C temperature conditions. Used in indoor environmental air quality monitoring, industrial robotics, urban environmental pollution.
    SKU: ATO-GS-HF
    30-day Returns
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    Delivery date: 6-12 days

    Low cost HF gas sensor for sale! Detects 0-10 ppm with a 50 ppm max load. Has high sensitivity, 0.1 ppm resolution, and ≤120s response time. Works in various environments and is great for air quality, robotics, and pollution control.

    Specification

    Model ATO-S4-HF
    Detection Principle Electrochemical Three-Electrode
    Detected Gas Hydrogen Fluoride (HF)
    Detection Range 0~10 ppm
    Maximum Load Concentration 50 ppm
    Sensitivity -300 ±100 nA/ppm
    Zero Drift 0~0.1 ppm
    Resolution 0.1 ppm
    Response Time ≤120s
    Operating Pressure 90 to 110 kPa
    Temperature Range -30°C to 50°C
    Humidity Range 15%RH to 90%RH (Non-condensing)
    Repeatability < ±2% Signal/Month
    Long-term Stability < 2% Signal/Month
    Linearity Linear up to 50 ppm
    Service Life 2 years


    Feature

    • High accuracy & long lifespan: Reliable and long-term performance.
    • Fast response & quick recovery: The HF gas sensor reacts rapidly to gas changes and resets efficiently.
    • Low power consumption & high sensitivity: The hydrogen fluoride gas sensor operates efficiently while maintaining high sensitivity.
    • Wide linear range: Supports multiple concentration ranges with stable performance.
    • Strong anti-interference: The gas sensor remains accurate even in complex environments.
    • Excellent repeatability & stability: Offers consistent and precise measurements over time.

    Dimension (Unit: mm)

    HF gas sensor size 

    Crossover Interference

    The hydrogen fluoride (HF) gas sensor also responds to gases other than the target gas. For reference, the response characteristics of the sensor to several common interfering gases are listed in the table below. The data in the table are typical responses of interfering gases at a given concentration.

    Interfering Gas Gas Concentration Used (ppm) Displayed Value (ppm/HF)
    CO 500 0
    HCl 10 50
    NO 50 29
    NO₂ 20 180


    Basic Test Circuit

    Gas sensor basic test circuit

    Application

    This Hydrogen fluoride (HF) gas sensor is used in indoor environmental air quality monitoring, industrial robotics, urban environmental pollution, instrumentation, automotive manufacturing industry, agriculture, forestry and livestock production environment monitoring.

    HF gas sensor application 

    Tips: What is the electrochemical principle of a hydrogen fluoride gas sensor?

    Hydrogen fluoride and oxygen in the working electrode and counter electrode respectively, the corresponding redox reaction occurs to produce an induction current, the induction current is proportional to the concentration, so as to determine the concentration of the gas to be measured.

    Gas sensor electrochemical principle

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