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PID-AH2 Tvoc Detector Sensor Photo Ionisation Sensor Photo Sensor (PID-AH2)

Model Number: PID-AH2
Country of Origin: United Kingdom
Brand Name: Alphasense
Minimum Order:1PCS
Production Capacity: 3000 pcs/month sets
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PID-AH2 Tvoc Detector Sensor Photo Ionisation Sensor Photo Sensor

Product Specifications/Features

    PID-AH2 Photo Ionisation Detector


    PERFORMANCE

    Target gases

    VOCs with ionisation potentials < 10.6 eV


    Minimum detection level

    ppb isobutylene

    1

    Linear range

    ppm isobutylene

    3% deviation

    50

    Overrange

    ppm isobutylene

    50

    Sensitivity

    linear range

    mV / ppm Isobutylene

    > 20

    Full stabilisation time

    minutes to 20 ppb

    20

    Warm up time

    seconds

    time to full operation

    5

    Offset voltage

    mV variable between detectors

    46 to 60

    Response time (t90)

    seconds

    diffusion mode

    < 3


    ELECTRICAL

    Power consumption

    85 mW (max) at 3.2 V, 300 mW transient for 200 msec on switch-on


    Supply voltage

    3.2 to 3.6 VDC

    Ideally regulated ±0.01V (onboard regulator disabled)



    3.2 to 10 VDC

    (onboard regulator enabled)



    (maximum 10V for IS approval, maximum 18 V for non-IS)


    Output signal

    Offset voltage (minimum 46 mV) to Vmax



    (Vmax = Vsupply -0.1 V when regulator is enabled)



    ENVIRONMENTAL

    Temperature range

    -40ºC to +55ºC (Intrinsically Safe); -40ºC to +65ºC (non-IS)


    Temperature dependence

    0°C to 40°C

    90% to 100% of signal at 20°C



    -20°C

    140% of signal at 20°C


    Relative humidity range

    Non-condensing

    0 to 95%

    Humidity sensitivity

    During operations: 0% to 75% rh transient

    near zero


    KEY SPECIFICATIONS

    Operating life

    5 years (excluding replaceable lamp and electrode stack)


    IS Approval

    IECEx Ex ia IIC T4; ATEX Ex ia II 1G -40ºC < Ta < +55ºC (< 10VDC supply)


    Onboard filter

    To remove liquids and particulates


    Lamp

    User replaceable


    Electrode stack

    User replaceable


    Error state signal

    Lamp out: 35 mV


    Weight

    < 8g


    Position sensitivity

    None


    Warranty period

    Electronics and housing: 24 months

    Lamp and electrode stack are user replaceable. 10.6eV lamp: 5,000 lit hours




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