JerryWayne

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  1. Jerry

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    Wet Bulb Temperature

    Method Used for Calculating WBGT

    • Source: https://www.omnicalculator.com/physics/wet-bulb

    • Indoor Only-using Ambient Temperature and Humidity

    • Calculation: WBGT=(.7*Tw)+(.3*T)

    • Tw = T * arctan[0.151977 * (rh% + 8.313659)^(1/2)] + arctan(T + rh%) - arctan(rh% - 1.676331)+ 0.00391838 *(rh%)^(3/2) * arctan(0.023101 * rh%) - 4.686035

    • Equipment Used

    • Compactlogic Processor (1769-L30ER)

    • Analog Input Card Configured for 4-20 mA (1769-IF4)

    • Humidity/Temperature Transmitter (Omega Item#: HX303AC)