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    Relative Humidity Accuracy
    Relative Humidity Accuracy
    ±3%
    ±1%
    Mounting Location
    Mounting Location
    Freestanding
    Wall
    Pipe
    Barometric Pressure Accuracy
    Barometric
    Pressure Accuracy
    ±1.5 mbar
    ±0.15" Hg
    ±0.045" Hg
    ±0.03" Hg
    ±0.01" Hg
    Width
    Width
    1 7/8"
    6 1/4"
    9"
    Maximum Barometric Pressure
    Maximum
    Barometric Pressure
    32in. of Hg
    32.5in. of Hg
    1,083mbar
    Maximum Indoor Temperature
    Maximum Indoor Temperature
    50° C
    122° F
    140° F
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    Maximum Wind Speed
    Maximum Wind Speed
    90mph
    134mph
    200mph
    Housing Material
    Housing Material
    Plastic
    Aluminum
    Fiber-Reinforced Plastic
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Height
    Height
    2 7/8"
    4 1/4"
    4 7/8"
    Minimum Temperature
    Minimum Temperature
    -20° F
    0° F
    -29° C
    Maximum Temperature
    Maximum Temperature
    140° F
    158° F
    70° C
    Minimum Dew Point
    Minimum Dew Point
    -105° F
    -20° F
    -29° C
    Batteries Included
    Batteries Included
    Yes
    No
    Battery Size
    Battery Size
    AA
    9V
    123
    CR2032
    Minimum Barometric Pressure
    Minimum Barometric
    Pressure
    20"
    14.8in. of Hg
    16in. of Hg
    31.15in. of
    Hg
    677mbar
    Minimum Relative Humidity
    Minimum Relative Humidity
    5%
    20%
    Mounting Hole Diameter
    Mounting Hole Diameter
    5/16"
    1"
    Maximum Outdoor Temperature
    Maximum Outdoor
    Temperature
    122° F
    140° F
    150° F
    60° C
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
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    18 Products