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  1. 07-13-2012, 11:10 AM #1
    GroundSquirrel's Avatar
    GroundSquirrel
    GroundSquirrel is offline Regular Guest
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    Dec 2010
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    Florida
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    34

    Testing Humidity

    I have a combo OAT/Humidity sensor on a wall of a BOX STORE
    How do you test the R/H sensor with a multi meter (can you) and find a conversion chart to compare it to the actual R/H

    This was on the Sensor
    Output 4 to 20 mA
    Temp Sensor 10K (I found a chart to convert this)
    Supply Voltage 24 VDC

    Range
    45°F to 96°F; 0 to 100% RH
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  2. 07-13-2012, 11:58 PM #2
    rdholder's Avatar
    rdholder
    rdholder is offline Professional Member
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    Dec 2006
    Location
    Goodyear, AZ
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    178
    You need a Sling Psychrometer or a Digital Sling Psychrometer
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