Tuesday, May 29, 2012

Transmitter calculation


1.Converting Linerar % to square root %

Square root % = sqrt(linear %)(10)

Example: Convert 50 % linear to square root

Square root mA           =          √A*10
                                   
                                   =          √50*10
                                  
                                   =          70.71%

2.Converting Linear mA to square root mA

                Square root mA                 =    √((A-4)/16 )x16)+4

                Where A is Linear mA

Example : Convert 12 mA linear to square root mA
               
                Square root mA                        =          √((A-4)/16 )x16)+4   
                                                             
                                                                =           √((12-4)/16 )x16)+4 
                                                               
                                                                 =           15.31mA

Download Transmitter Calculator

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4 comments:

  1. What if you were looking for an FI indication on a 0√-10√ span? Would it be the sqrt of the d/p % across the FE, or the sqrt of the FT/FY outputs?

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  2. You can find more information on Instrumentation here

    Website: www.InstrumentationTools.com

    Thanks,
    Bharadwaj

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