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5
Relative Humidity Output Calculations
Section 5 - Relative Humidity Output Calculations
To calculate % relative humidity by measuring the current or voltage output, use
the following formulas:
For current output:
%RH = (Current measured in milliamps – 4) ÷ 0.16
Where:
For voltage output
a. 1 volt output:
b. 5 volt output:
c. 10 volt output:
5-1
4 = offset current in mA.
0.16 = full scale current limit in percent (%).
%RH = (voltage measured in volts x 100)
%RH = (voltage measured in volts/5) x 100
%RH = (voltage measured in volts/10) x 100
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